Omron CP1L-EM30DT-D — 30 I/O PLC, Ethernet, NPN
SKU: CP1L-EM30DT-DUSD 215.00
CP1L-EM compact PLC, 18 DC inputs / 12 NPN-sinking outputs, built-in Ethernet, 10K-step program, 24 VDC supply, 100 kHz HSC + pulse.
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Product Overview
The Omron CP1L-EM30DT-D is the 30-I/O Ethernet-equipped compact PLC in the CP1L line. It has 18 DC inputs and 12 NPN-sinking transistor outputs on the base unit, a built-in 10/100 base-T Ethernet port for FINS/UDP, FINS/TCP, and socket service, a 10K-step program, and 24 VDC supply on the same removable terminal block. The DT suffix means NPN (sinking) -- the output pulls to common when active, which is the standard polarity for Omron's CP1W / CP2E expansion output cards and most Japanese PLC wiring.
Where the 4-axis HSC and 2-axis pulse output fit
The 4 high-speed counter inputs at 100 kHz single-phase (50 kHz differential) are enough for one or two incremental encoders on a conveyor or a feeder, plus a third / fourth position sensor on a cutoff or indexing station. The 2 pulse outputs at 100 kHz can drive two stepper-motor indexers, two variable-frequency drives in pulse-following mode, or one pulse + direction axis and one PWM output. The HSC and pulse-output counts are on the EM30DT-D, not on the smaller L14 or EL20 heads.
Ethernet vs USB-only siblings
Pick the CP1L-EM30DT-D (this SKU) when the PLC needs Ethernet for SCADA polling, remote HMI access, or NB-series HMI / NJ controller peer-to-peer. Pick the CP1L-M30DT-D instead when the cabinet has no Ethernet and the program is uploaded via the USB programming port. Pick the CP1L-EL20DT-D when the application only needs 20 I/O but still wants Ethernet -- the EL line saves cabinet space and budget.
Before ordering
Confirm the supply is 24 VDC -- for 100-240 VAC supply, order the matching CP1L-EM30DR-A (relay output) or CP1L-EM30DT-A (NPN sink). Confirm the load is NPN (sinking) -- for a PNP (sourcing) load, order CP1L-EM30DT1-D instead. Add up to 3 CP1W expansion units on the right side of the head for up to 160 total I/O; add a CP1W-CIF11 / CIF12-V1 option board for serial RS-232C / RS-485 if the field device speaks Modbus RTU or Host Link.
Key Features
- CP1L-EM-series compact PLC with built-in 10/100 base-T Ethernet port
- 30 built-in I/O: 18 DC inputs (24 VDC) + 12 NPN-sinking transistor outputs
- 10K-step program memory, 32K-word data memory, 0.1 us basic instruction
- 4-axis 100 kHz high-speed counter (single-phase) / 2-axis 100 kHz pulse output
- DT = NPN (sinking) open-collector, 0.3 A per point, 1.2 A per common
- D = 24 VDC supply (the -A suffix is 100-240 VAC)
- Up to 3 CP1W expansion units / 160 I/O total, 1 option-board serial slot
- CX-Programmer / CX-One programming, FB / ST language compatible
- DIN-rail 90 mm wide body, 0 to +55 C operating
- UL 508 / cULus / CE / C-Tick / KC approved
- SKU: CP1L-EM30DT-D
- Series: CP1L-EM30DT-D
- Voltage: 24 VDC
- I/O: 18 I/O
Best-Fit Applications
- Packaging line control with encoder feedback on a 30-I/O footprint
- Small conveyor system with two inverter pulse-following axes and a remote HMI
- Test fixture with 4-axis HSC for position verification and 2-axis pulse for feeder index
- OEM machine builder standardising on Ethernet for remote support and SCADA polling
- Material-handling cell with Modbus RTU on the option-board port plus Ethernet for HMI
Buying Checklist
- Pick CP1L-EM30DT-D for 30 I/O with built-in Ethernet, 4-axis 100 kHz HSC, and 2-axis 100 kHz pulse on 24 VDC supply.
- Pick CP1L-EM30DT1-D instead when the load is PNP (sourcing) instead of NPN (sinking).
- Pick CP1L-EM30DR-D instead when the load is a contactor coil, indicator lamp, or 250 VAC relay and you need dry contacts.
- Pick CP1L-M30DT-D instead when the PLC has no Ethernet and uploads over USB only (saves money).
- Pick CP1L-EL20DT-D when the application only needs 20 I/O and you want Ethernet in the smaller head.
- Add a CP1W-CIF11 (RS-232C) or CP1W-CIF12-V1 (RS-422/485) option board for Modbus RTU / Host Link serial port.
Technical Specifications
| I/O Count | 18 DC inputs / 12 NPN-sinking outputs (30 total) |
|---|---|
| Output Type | NPN open-collector, 0.3 A per point, 1.2 A per common |
| Supply Voltage | 24 VDC (D suffix; A suffix is 100-240 VAC) |
| Program Memory | 10K steps, 32K-word data |
| Basic Instruction | 0.1 us / LD, 0.3 us / MOV |
| High-Speed Counter | 4-axis at 100 kHz single-phase, 50 kHz differential |
| Pulse Output | 2-axis at 100 kHz transistor |
| Communication | 10/100 base-T Ethernet (FINS/TCP/UDP + socket) |
| Serial Option | 1 option-board slot, RS-232C or RS-422/485 |
| Expansion | Up to 3 CP1W units, 160 I/O total |
| Dimensions | DIN-rail 90 mm wide body |
| Operating Temperature | 0 to +55 C |
Resources & Downloads
FAQ for CP1L-EM30DT-D
What is the difference between CP1L-EM30DT-D and CP1L-EM30DT1-D?
Output polarity. The DT suffix is NPN (sinking) -- the output pulls to common when active, suitable for an Omron-style PLC input or a load that expects a switched-low signal. The DT1 suffix is PNP (sourcing) -- the output sources +24 V when active, suitable for a European-style PLC input or a load that expects a switched-high signal. Both have the same 30 I/O count, Ethernet port, HSC count, and program memory. The only difference is the output transistor polarity.
How many high-speed counter inputs does this PLC have?
4 axes at 100 kHz single-phase (50 kHz differential or 2-phase). The 4 counters are on the same input terminals as the regular DC inputs, so each HSC input replaces one general-purpose input. For more HSC axes, the CP1H-X or CP1H-Y is the upgrade path; for a 4-axis HSC on a small PLC, the EM30DT-D is the right size.
Can the CP1L-EM30DT-D accept 100-240 VAC supply?
No. The D suffix is 24 VDC supply only. For a 100-240 VAC cabinet, the matching SKU is the CP1L-EM30DR-A (relay output) or the CP1L-EM30DT-A (NPN transistor output) -- the A suffix swaps the DC supply for a wide-range AC supply. The I/O count, Ethernet port, and HSC count are identical.
What is the program memory size?
10K steps of program memory and 32K words of data memory. The 10K figure is the EM/EL head capacity; the M40/60 head is 5K steps, the L10/14/20 head is 5K steps. For programs above 10K, step up to the CP1H-X (20K) or the CJ2M-CPU3x (30-60K). The EM30DT-D also supports structured text (ST) and function block (FB) programming via CX-Programmer / CX-One.
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