Description
The Omron CP1W series I/O Expansion Units are designed to extend the local I/O capacity of CP1L / CP1H / CP1E (N-type only) PLC CPUs. The listed models cover digital input/output expansion, analog input/output, temperature sensing, and mixed I/O:
- CP1W-40EDT → 24-point Digital Input (16 × 24V DC sink/source) + Transistor Output (16 × NPN/PNP — check suffix -T = NPN sinking, -TA = PNP sourcing) — compact 40-point block.
- CP1W-40EDR → Same 24 IN + 16 Relay Output (NO dry contact — better for AC loads / isolated switching).
- CP1W-AD041 → 4-channel Analog Input (0–10V, 1–5V, 4–20mA, ±10V — 12-bit res.).
- CP1W-DA041 → 4-channel Analog Output (0–10V, 4–20mA — 12-bit).
- CP1W-8ET / 8ER → 8-point Transistor (NPN/PNP) or Relay Output expansion.
- CP1W-20DR1 → 12 DI + 8 Relay DO expansion block.
- CP1W-TS101 / TS102 → 2-channel / 4-channel Thermocouple Input (TC types K/J/T etc., with CJC — plugs into CP1W-TS shelf or CPU with TS slot on CP1H).
- CP1W-32ER / MAD11 → 32-point Relay Output block / Mixed Analog I/O (2IN+1OUT typical for MAD11 — verify exact MAD variant).
Expansions connect via the CP1 bus expansion cable (CP1W-CN@@ — e.g., CP1W-CN226 for 2.6 m) or direct dock on the right side of the CPU (CP1L-E / CP1H allow up to 3 expansion units directly; CP1E-N up to 3 with expansion cable; CP1E-E type = NO expansion).
Key Features
- Direct Bus Integration: Appear in CPU I/O table automatically — no separate address mapping (just assign starting word in CX-Programmer).
- Mix & Match: Combine digital, analog, temp-input modules behind one CPU.
- High-Speed Counter / Interrupt: Some digital inputs on CP1W-40EDT can be used for high-speed counter (via CPU capability — 2 × 100 kHz typical on CP1H/CP1L).
- Country of Origin: Japan / China (Omron Global)
Model & Specification Table (CP1W Expansion Family)
Model | Type | I/O or Function | Notes |
|---|---|---|---|
CP1W-40EDT | Digital Exp. | 16 DI (24V DC) + 16 DO Transistor (NPN -T / PNP -TA) | Most common for machine control |
CP1W-40EDR | Digital Exp. | 16 DI + 16 DO Relay (NO dry contact) | For AC loads / isolated switching |
CP1W-AD041 | Analog In | 4 ch × 0–10V / 4–20mA (12-bit) | Needs 24V DC external or from CPU bus |
CP1W-DA041 | Analog Out | 4 ch × 0–10V / 4–20mA (12-bit) | Same power notes as AD041 |
CP1W-8ET | Digital Out | 8 × Transistor (NPN -8ET / PNP -8ET1) | Compact add-on |
CP1W-8ER | Digital Out | 8 × Relay NO | Compact add-on |
CP1W-20DR1 | Digital Exp. | 12 DI + 8 Relay DO | Smaller block |
CP1W-TS102 | Temp. In (TC) | 4 ch Thermocouple (K/J/T etc.) | Requires CPU w/ TS slot (CP1H-X/H) or TS base unit |
CP1W-32ER | Digital Out | 32 × Relay DO (larger block) | Check CPU expansion slot limit |
CP1W-MAD11 | Mixed Analog | 2 AI + 1 AO (typical — verify exact MAD variant) | Compact analog for small process loops |
⚠️ Critical Fit Checks:
Technical Specifications (Representative — CP1W-40EDT, 16 DI + 16 DO NPN Transistor)
Parameter | Specification |
|---|---|
Model / Order Code | CP1W-40EDT (Omron CP1W Digital Expansion) |
Digital Inputs | 16 × 24 V DC (sink/source selectable per common — typical 1 common per 8 pts) |
Input Threshold | ON: 15–30 V DC; OFF: 0–5 V DC |
Input Current | ~ 4.1 mA @ 24 V DC |
Digital Outputs | 16 × NPN Transistor (sinking) — 0.5 A / point max (0.2 A recommended continuous), 24 V DC |
Response Time (In→Out via CPU scan) | Depends on PLC scan time — input latched every cycle |
Expansion Connection | Right-side dock to CPU or previous unit; daisy-chain via CP1W-CNxxx cable |
Power from CPU Bus | Yes — draws from CPU 5V bus + small 24V sense |
Mounting | DIN rail (35 mm) — stacks with CPU & other CP1W units |
Dimensions (W×H×D) | ~ 90 mm × 90 mm × 65 mm (approx. — check exact drawing) |
Weight | ~ 0.25 kg |
Standards | CE, UL, cUL, KC, RoHS |
(Analog modules CP1W-AD041: 4 ch, 12-bit, resolution ±0.2% FS, conversion time ~ 2 ms/ch, input impedance 1 MΩ (V) / 250 Ω (I))
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty (I/O loop-back test on Omron test rig)
- Technical support for:
- CPU ↔ expansion compatibility check (CP1E-N yes / CP1E-E no!)
- CX-Programmer I/O table auto-allocation & starting word assignment (DM area)
- Expansion cable selection (CP1W-CN226 / CN118 / CN050)
- NPN vs PNP transistor output clarification for 40EDT vs 40EDTA
- Analog scaling (STIME / SCL instructions for AD041 → engineering units)
- Cross-reference if you need CJ-series (CJ1W-…) instead — NOT interchangeable with CP1W
Delivery Time
- Standard delivery: 3-5 working days (stock modules)
- Express shipping available upon request
Why Choose Our Store
- Genuine Omron CP1W I/O expansion units — not third-party clones
- Global supply network with competitive pricing
- Expertise in CP1L/CP1H/CP1E system expansion & CX-Programmer configuration
- Comprehensive technical documentation (expansion cable part cross-ref, I/O allocation table, analog scaling example)
- Responsive customer service and support
Applications
- Machine Control: Add DI for more sensors + DO for solenoids/clutch/brake beyond CPU built-in I/O.
- Process Skids: Add CP1W-AD041 + DA041 for small analog loops (temp. control, pressure monitoring).
- Packaging Lines: Extra high-speed DI for registration marks; DO for reject gates.
- Retrofit: Expand existing CP1L/CP1H panel I/O without changing CPU or rewiring main rack.
- Temperature Monitoring: CP1W-TS102 for 4-zone thermocouple logging (with CP1H-X/H or TS base).
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