Omron H7CX

At a glance

• Category: Multifunction panel-mount digital counter in DIN (Deutsches Institut für Normung) 48 × 48 mm 1/16 DIN cutout, combining in one unit:
  • Preset counter (one or two set values SV1 / SV2, triggers a relay or transistor output when a count target is hit)
  • Total counter (non-resettable running total, separate accumulator display)
  • Batch counter (counts completed preset cycles — e.g. boxes per pallet)
  • Tachometer (rpm / pulses-per-second display from the same input terminals, selectable in software)
  • Dual counter / twin counter / rate indication depending on model suffix
• Typical applications: packaging batch counting, bottle-fill cycle counting, stamping-press stroke counting, extrusion length metering, conveyor part counting, motor-shaft rpm (revolutions per minute) monitoring, gear-output tachometer, totalising production counts between shift changes.
• Price positioning: Mid-market in DACH. Above Hanyoung and Chinese-built commodity counters (Fotek, Autonics competing tier) on unit list price; at or below regional IDEC quotes for equivalent multifunction spec once tachometer + preset + batch are combined in one unit. Keyence does not field a direct equivalent in the 1/16 DIN panel-counter segment, so H7CX usually competes against the second-tier panel-instrument brands rather than Keyence.
• Headline selling point: One part number covers six operating modes (preset 1-stage, preset 2-stage, total, batch, dual, twin) plus tachometer, with PNP (positive-switching, DACH-standard) or NPN (negative-switching) input selectable in software — no SKU swap needed when the application is re-scoped. EEPROM (Electrically Erasable Programmable Read-Only Memory) non-volatile memory retains the count and settings on power loss, and the front bezel is IP66 / IP65F panel-front rated for washdown and dust.

Key specifications

DACH-standard input type is PNP (positive-switching) no-voltage / voltage-mode selectable. The primary comparison model is Omron H7CX-AWD1-N (multifunction, 2-stage preset, 6-digit, transistor + relay output, 24 VAC / 12–24 VDC supply) vs the closest IDEC digital counter (see Open questions — DH1L / DH2L spec not confirmed publicly during research) vs Hanyoung GE4-P61A / GF4-P61E (6-digit, 1-stage preset, 48 × 48 mm, 100–240 VAC). The brief specified "Hanyoung HC / HS"; the Hanyoung 48 × 48 counter/timer family in current catalogue is GE / GF — see Open questions.

Where Omron wins

• Six operating modes plus tachometer in one SKU. The H7CX-AWD1-N single part number configures as a 1-stage preset counter, 2-stage preset counter (SV1 pre-warning / SV2 final stop), total counter, batch counter (completed-cycles over preset), dual counter (two independent channels), twin counter (A/B direction decode for rotary encoders), or tachometer. A maintenance team stocks one spare and covers seven application patterns. Competitor counters in this tier frequently split these modes across two or three part numbers, inflating spares inventory. Documented on the Omron H7CX-N datasheet (Omron EU document m079) and on the US product family page (https://automation.omron.com/en/us/products/family/H7CX-N — "1&2-stage, total, batch, dual, and twin counter modes").
• IP66 panel-front washdown vs IP65 on Hanyoung. IP66 resists high-pressure jets and full dust ingress; IP65F (Omron's F suffix denotes front-face-only washdown robustness) is the published rating on the product page. Hanyoung GE4N datasheet states "IP65 front part only". In food-adjacent or wet-wipe-down control cabinets on DACH packaging lines this is not a marketing difference — it's the line between a counter that survives the Saturday night cleaning crew and one that doesn't.
• DC-supply variant out of the box. The -D1-N suffix accepts 12–24 VDC and 24 VAC on the same terminals, so the counter sits on the panel's control-voltage rail rather than forcing a separate 230 VAC feed. Hanyoung GE4-P61A is 100–240 VAC only on the widely stocked variant; the DC variant exists but is less commonly stocked in DACH distribution. On compact retrofit panels where 230 VAC has already been used up elsewhere, the -D1-N is the only counter on the short-list that fits without a new transformer.
• PNP / NPN software-selectable — DACH wiring fit. DACH-standard is PNP (positive-switching) no-voltage or voltage input. H7CX-N configures either mode from the front panel, so field-replacement into a machine originally built with NPN inputs works without re-wiring. Same feature on Hanyoung — concede it's a tie on the spec sheet — but Omron's documentation and the in-EU Swiss-hosted datasheet PDF (m079) makes the configuration unambiguous for a machine builder's IBN (Inbetriebnahme / commissioning) file.
• Broader approvals set. CE + cULus + RCM on published Omron material. Hanyoung has CE + KC; cULus is per-SKU and not guaranteed. For DACH OEMs (original equipment manufacturers) that ship the same machine into US, Canada, and Australia, a single counter that carries all three reduces the BOM (bill of materials) approval matrix.
• 2-row LCD layout. Top row shows current count, bottom row shows preset SV1 / SV2 simultaneously. Hanyoung GE4 LED shows one value at a time on the 4-digit variant; operator has to toggle. On a batch-packaging line where an operator needs to see "counted: 847 of 1000" at a glance, the 2-row layout is the right UI — less operator error, fewer missed batches.

Where the competitors win (or tie)

• Hanyoung LED visibility at distance. The GE4-P61 is LED (not LCD). Under shop-floor lighting at 3–4 m viewing distance the LED digits read more clearly than the LCD on the H7CX-N. On large machines where the operator position is not directly in front of the panel, Hanyoung wins on readability. Omron counters this with the H7CX-N's backlit LCD and 10 mm top-row character height, but the pure-contrast advantage sits with LED.
• Hanyoung price. List price on Hanyoung GE4-P61A through Korean and Southeast Asian channels runs materially below Omron H7CX-AWD1-N. In DACH this delta narrows because Hanyoung has limited local distribution depth — but for high-volume OEMs who import through their own supply chain, Hanyoung is ~30–50 % cheaper on equivalent functionality. Quantify this with the internal Omron price matrix before the meeting.
• Hanyoung EEPROM cycle count. Datasheet rating of ≥1 000 000 EEPROM cycles vs ≥100 000 on Omron. For applications where the counter is preset-changed many times per day (e.g. recipe-driven short-run packaging), Hanyoung's higher rated cycle count is technically superior — though in practice both numbers exceed any realistic 10-year duty cycle, so this is a spec-sheet argument rather than a field reliability argument.
• IDEC brand recognition in DACH panel-builder shops. IDEC has historical presence in DACH control-cabinet hardware (push-buttons, pilot lights HW series, safety relays RU series). Where a panel shop has standardised on IDEC pilot devices, an IDEC-branded counter — if the correct DACH catalogue SKU exists — is the path of least resistance. Until the IDEC DH1L / DH2L catalogue position is confirmed, concede this as a potential competitive moat in accounts already running IDEC HW / RU / FC6A.
• IDEC integrated PLC path (FC6A MicroSmart). IDEC's sales motion on counting applications often ends not with a panel-mount counter but with a FC6A MicroSmart PLC high-speed counter input module (documented in the FC6A user manual, page 321+). The PLC path buys the customer alarm logic, Modbus (fieldbus), and HMI (Human-Machine Interface) connectivity in one. For a customer who's going to end up there anyway, a standalone H7CX is a dead-end — be honest about it and propose Omron NX1P or CP1L with counter module instead.

Typical objections & responses

Researched from Control.com automation forums, DigiKey TechForum H7CX replacement threads, and Hanyoung / Hartfiel distributor listings. Each tied to a source so it's verifiable.

• "We had H7CX failures — yellow RST indicator stuck, counter stopped counting." (Control.com forum thread "Omron H7CX Counter Reset", https://control.com/forums/threads/omron-h7cx-counter-reset.44711/.) → Real issue, historically tied to electrical noise on the reset line or worn relay contacts after many millions of cycles. Response: "Fair — any multi-year counter install can develop that symptom. Two responses: (1) the -N generation improved the input surge suppression over the original H7CX; (2) where the application is relay-output-heavy at high cycle rate, specify the transistor-output SKU (H7CX-AWD1-N for the 2-stage + transistor model) and move the relay work to an external DC solid-state contactor. On top of that, we can quote an extended warranty via Omron Swiss SSC support — ask for it in writing."
• "We're moving off H7CX because the replacement H7CC needs re-wiring." (DigiKey TechForum, https://forum.digikey.com/t/omron-digital-counter-replacement/35649 — H7CC has an external power supply terminal and different internal connections vs H7CX.) → This is real — Omron's own newer H7CC family has a different terminal layout than H7CX. Response: "Stick with H7CX-N for drop-in replacement into existing H7CX sockets. The terminal pattern is stable generation-over-generation within the H7CX line. H7CC is the next-generation platform — we recommend it for new designs, not for retrofit into an existing H7CX footprint. For your install base, H7CX-N is the compatible SKU."
• "Hanyoung is 30–50 % cheaper for the same spec." → Sometimes true on LED vs LCD 1-stage preset comparisons. Response: "Map the total spec side-by-side: IP66 vs IP65, cULus UL approval, DC-supply option, six counting modes in one SKU, EU datasheet and application support in German through the Swiss SSC desk. On a single-line packaging machine where the counter is one of 200 components, the Hanyoung saving disappears inside the local-distribution delta and the first service call. On a 2000-unit OEM run where the counter is a bulk line item, price it against the Hanyoung SKU directly — that's a legitimate negotiation, not a disqualifier."
• "IDEC is our standard for panel hardware." → Accept the standard. Response: "Where you're already standardised on IDEC HW pilot lights and RU relays, keep them. On the counter specifically, show me the IDEC catalogue SKU you're specifying and we'll do a spec-by-spec. In several regional counter quotes we've seen IDEC point customers to the FC6A MicroSmart PLC high-speed-counter input instead of a standalone panel counter — which is a different solution at a different price point. If that's the direction, we should be comparing H7CX-N against an NX1P2 + NX-HC1 setup, not apples-to-apples panel counters."
• "LCD counters are unreadable on the shop floor." (Common field operator complaint across counter reviews.) → Half-true. Response: "The H7CX-N is a backlit LCD with 10 mm top-row characters — readable at 2–3 m under shop-floor lighting. Where the panel is more than 3 m from the nearest operator station, or behind a protective window, use the Hanyoung LED or move to the H7EC LED totalising counter. For a seated or standing operator at the panel, the 2-row LCD is the right UI — count plus preset visible simultaneously, which the single-row LED doesn't give you."
• "Can we just use the PLC's high-speed counter input?" (Legitimate question, especially where a MicroSmart FC6A or a CP1L / NX1P is already in the panel.) → Yes sometimes — honest answer. Response: "For one or two counting channels sharing the PLC, do the HSC input in the PLC and skip the panel counter. Where you want (a) operator-readable count on the panel without HMI, (b) independent fail-safe preset output that doesn't need PLC scan, or (c) a drop-in replacement into an existing H7CX cutout, the panel counter is the right tool. It's not an either/or — pick by operator workflow."

The switch story

H7CX in DACH is rarely a Keyence displacement — Keyence doesn't ship a direct panel-counter equivalent in 1/16 DIN. The competitive frame is against second-tier panel-instrument brands: Hanyoung and Autonics from the Asian low-cost tier, IDEC and Eaton in the regional mainstream, and the customer's own instinct to "just do it in the PLC".

First, the spares-consolidation pitch. A DACH machine builder or end-user with 40–60 counters across a plant is usually running four or five distinct part numbers — a 4-digit preset, a 6-digit preset, a totaliser, a batch counter, a tachometer. H7CX-AWD1-N covers all of those in one SKU because the modes are software-selectable. The procurement-and-spares story is concrete, numeric, and lands well with an engineering manager who has signed purchase orders for replacement counters in the last twelve months.

Second, the food-and-beverage washdown angle. DACH packaging lines for dairy, chilled ready-meals, and beverage bottling get wiped down with caustic foam nightly. Hanyoung GE4 is IP65 front-only; H7CX-N is IP66 / IP65F front. That is the line between a counter that survives five years on a washdown line and one that doesn't. The same logic that sells E3Z in cold-store logistics sells H7CX in washdown — specific environmental envelope, concrete disqualifier for the lower-tier competitor.

Third, the PNP wiring standard. Every DACH control-panel shop wires PNP positive-switching as the default. H7CX-N software-selects between PNP voltage, PNP no-voltage (dry contact), and NPN — one SKU, any wiring pattern. For retrofit applications where the existing sensor loop is NPN (older machinery, Japanese or Korean OEM build), the H7CX slots in without re-wiring. Hanyoung matches this on the GE4; IDEC's position is undocumented until the exact SKU is confirmed.

Where a customer is already running IDEC FC6A MicroSmart and their counting requirement is ≤2 channels, don't fight — specify the IDEC HSC input and move on. The H7CX win rate is in the retrofit and panel-builder segment, not in the PLC-centric new-build.

Application examples

1. Batch-count packaging on a carton former — count 500 cartons per pallet, trigger a pallet-change alarm when SV2 is reached. H7CX-AWD1-N in batch-counter mode, PNP input from a diffuse photoelectric (E3Z-D82) on the discharge conveyor, SPDT relay output to a 230 VAC indicator stack.
2. RPM monitoring on a drive motor — direct-coupled rotary encoder at 100 pulses per revolution into the H7CX-N tachometer mode, display in rpm (revolutions per minute), alarm output via SV1 if rpm drops below threshold during normal production.
3. Stamping-press stroke counting — H7CX-N preset-counter mode, PNP input from a proximity switch on the crankshaft, 2-stage preset: SV1 triggers a tool-change warning at 95 % of rated tool life, SV2 stops the press.
4. Extrusion line length metering — rotary encoder on the pull-roll, H7CX-N with the per-pulse scaling factor set to match roll circumference, count reads directly in metres. Preset output cuts the extrusion at target length.
5. Bottle-fill cycle counter on a filling carousel — H7CX-N in twin-counter mode using A/B direction input from the carousel encoder, forward and reverse counts isolated so a jam/reverse event doesn't corrupt the batch total.
6. Motor-bearing runtime totaliser — H7CX-N in total-counter mode, pulsed input from a DC run-status contact, accumulates run hours between scheduled-maintenance interventions. Non-resettable total plus resettable preset cycle counter in the same physical unit.
7. Conveyor part-presence counter for intralogistics KPI — diffuse photoelectric (E3Z-D82) on the feed line, H7CX-N count per shift, Modbus read via an external gateway (H7CX-N itself has no fieldbus — flag the gateway requirement in the quote).
8. Label-applicator reject counter on a beverage line — H7CX-N in dual-counter mode: channel A counts good labels applied, channel B counts reject-arm activations from the vision system. 2-row LCD shows both simultaneously; operator sees reject ratio at a glance without stepping to the HMI.
9. Preset-to-value blow-moulding shot counter — PET (polyethylene terephthalate) preform feed, H7CX-N 2-stage preset, SV1 pre-warns the operator 50 shots before mould-clean interval, SV2 stops the line.
10. Gear-reducer output shaft tachometer for predictive maintenance — proximity switch on the low-speed output shaft, H7CX-N tachometer mode in cpm (counts per minute) rather than rpm, trending via the relay contact into a digital input on the plant PLC.
11. Pallet-stack height indexing in an ASRS (automated storage and retrieval system) — H7CX-N in preset mode counting pallet-level photoelectric activations, output triggers the stacker transfer at the configured level count.
12. Washdown-rated counter on a dairy CIP (clean-in-place) line — H7CX-N, IP66 / IP65F panel-front with panel gasket, counting valve-cycle operations between CIP flushes. Hanyoung GE4 at IP65 is borderline here; H7CX is the specification-safe choice.

Sources

• Omron H7CX-N datasheet — https://files.omron.eu/downloads/latest/datasheet/en/m079_h7cx-_-n_multifunction_counter_tachometer_datasheet_en.pdf (document m079). Binary PDF saved during research; parsed via secondary Omron US product page because direct PDF text extraction was not usable in the research window.
• Omron H7CX-N US product family page — https://automation.omron.com/en/us/products/family/H7CX-N (source for "1&2-stage, total, batch, dual, and twin counter modes" and "IP66" claims).
• Omron H7CX-A specification page (APAC mirror) — https://www.omron-ap.com/products/family/221/specification.html (403 during research; referenced as the APAC canonical for H7CX-A preset counter specifics).
• Distributor SKU listings for Omron model numbers:
  • https://shop.hartfiel.com/products/H7CX-AWD1-N
  • https://shop.hartfiel.com/products/H7CX-AD-N
  • https://shop.hartfiel.com/products/H7CX-AW-N
  • https://shop.hartfiel.com/products/H7CX-A4SD-N
  • https://www.digikey.com/en/products/base-product/omron-automation-and-safety/236/H7CX/518140
• IDEC — no direct DH1L / DH2L product page surfaced during the research window. Closest references:
  • IDEC Europe portal: https://www.idec.com/en-eu
  • Legacy IDEC preset counter (CDA-A55, distributor listing only): https://www.ebay.com/itm/153104762565
  • IDEC FC6A MicroSmart high-speed counter documentation (alternate IDEC counting solution): https://www.manualslib.com/manual/2058341/Idec-Microsmart-Fc6a-Series.html (p. 321+)
  • IDEC DH48J (distinct product, surfaced in search and ruled out — 48 × 48 omnibus timer/counter, appears on generic-clone distributor channels, not confirmed as the DACH catalogue competitor): https://www.finglai.com/products/relays/counters/DH48J/
• Hanyoung Nux GE / GF series (used as proxy for "Hanyoung HC / HS" in the brief — naming mismatch flagged in Open questions):
  • Hanyoung Nux product category: https://www.hanyoungnux.com/product/controllers/counter-timer.php
  • Hanyoung GF series digital counter/timer page: https://www.hanyoungnux.com/product/product_view.php?num=261&lcode=01&mcode=0104&pcode=2205100008&scode=0104002
  • Hanyoung GE series instruction manual: https://www.manualslib.com/manual/2230401/Hanyoung-Nux-Ge-Series.html
  • Hanyoung GE series mirror: https://manualzz.com/doc/27696264/ge-series---hanyoung-nux
  • Distributor listing with dimensional + IP65 data: Hanyoung GE4-P61A at https://www.amazon.com/Hanyoung-GE4-P61A-Digital-counter-100-240VAC/dp/B07HF1R1CX
• Objections research:
  • Control.com forum thread on H7CX counter reset / yellow RST: https://control.com/forums/threads/omron-h7cx-counter-reset.44711/
  • DigiKey TechForum on Omron digital counter replacement path (H7CX → H7CC terminal differences): https://forum.digikey.com/t/omron-digital-counter-replacement/35649
  • IDEC FC6A MicroSmart HSC module (context for the "do it in the PLC" objection): https://www.manualslib.com/manual/2058341/Idec-Microsmart-Fc6a-Series.html

Open questions

• IDEC DH1L / DH2L model designation not resolved. No current IDEC public product page for "DH1L" or "DH2L" digital counter surfaced during the ~10-minute research window. Candidates: (a) a legacy DACH-catalogue IDEC SKU now discontinued, (b) a naming confusion with IDEC DH48J (generic-clone 48 × 48 timer/counter surfaced on Chinese distributor sites — not in IDEC's official catalogue), (c) a regional IDEC Europe SKU not indexed on the US / APAC IDEC portals, or (d) a mis-labelled reference. Action: confirm with the IDEC DACH rep or with the Omron SSC hiring manager which physical IDEC part number the brief is actually referring to. The spec table IDEC column is placeholder until this is resolved.
• Hanyoung "HC / HS" naming. Hanyoung's current 48 × 48 1/16 DIN counter/timer family in the public catalogue is GE series (GE4 / GE6) and GF series (GF4 / GF7), not HC / HS. The brief may be referring to (a) an older Hanyoung catalogue nomenclature now retired, (b) the Fotek HC-41P (which is a separate manufacturer — Fotek Controls, Taiwan, not Hanyoung), or (c) a local DACH distributor's renaming. Confirm with the hiring manager before a customer meeting. This card uses GE4 / GF4 as the proxy because they are the confirmed 48 × 48 current-catalogue Hanyoung counter family.
• H7CX-N exact front-panel IP rating phrasing. Public product pages variously cite "IP66" and "IP65F"; the Omron datasheet convention uses "IP66 when panel-mounted with gasket" and "IP65F" as the NEMA-equivalent washdown-front marking. Pull the precise phrasing from the current revision of datasheet m079 before quoting to a regulated food-and-beverage customer.
• DC-supply variant depth in DACH stock. H7CX-AWD1-N (24 VAC / 12–24 VDC) availability through Distrelec, RS Components, Farnell CH/AT/DE needs to be mapped. AC variant is universally stocked; DC variant stock depth is the question.
• List-price delta vs Hanyoung GE4-P61A and IDEC "DH" equivalent. Pull from internal Omron DACH price matrix. The Hanyoung saving claim (30–50 %) in the objections section is a directional estimate from Asian-channel list prices, not a DACH-landed quote — validate before repeating to a procurement buyer.
• EEPROM cycle count rating for H7CX-N. Paraphrased as ≥100 000 in this card; public Omron datasheet should be re-checked to confirm the exact figure and whether newer production revisions have increased this rating.
• H7CX vs H7CC migration guidance. The DigiKey TechForum thread flags terminal-layout differences between H7CX and the newer H7CC family. A one-page internal migration guide (pin map, socket compatibility, retrofit wiring) would pre-empt this objection — ask product management if one exists.
• Tachometer PPR (pulses per revolution) programming detail. The card claims software-scaled rpm display; confirm from the H7CX-N instruction manual that arbitrary PPR values are accepted (not just common encoder counts like 60 / 100 / 1000 / 3600).