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ET-87P4 CR ICP DAS IO Expansion Unit


ET-87P4 CR

4-slot Intelligent Ethernet I/O Expansion Unit (DCON Protocol)



€ 440,13

(VAT excluded)

€ 536,96(VAT included)

Prezzo di 1 pz. iva (22%) inclusa: € 536,96

Availability: 15 business days

SKU: 4322

Model: ET-87P4 CR

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  • Two Ethernet Ports for Daisy-Chain Topology
  • I/O Module Hot Swap
  • Auto Configuration
  • LED Indicators for Fault Detection
  • Push Buttons to Configure IP Address
  • DCON Protocol
  • 4/8 I/O Slots for I-87K Modules
  • Operating Temperature: -25 ~ +75 °C

ET-87Pn series is a remote intelligent I/O expansion unit to expand I-87K series I/O modules over the Ethernet for industrial monitoring and controlling applications. It offers two Ethernet switch ports to form a daisy-chain topology. The daisy-chain feature allows ET-87Pn to connect in series to each other or other Ethernet devices. Uses can easily simplify the cabling and save installation space with the feature.
ET-87Pn is designed to be used in harsh and noisy environment, so the hardware is manufactured with wide power input range (10 ~ 30 VDC), isolated power input and can operate under wide temperature (-25 °C ~ +75 °C). To simplify installation and maintenance of I/O modules, it provides many useful features, such as: hot swap allowed, auto configuration, LED indicators for fault detection, dual watchdog to keep alive, programmable power on and safe values for safety.
The unit supports more than 30 I/O modules including analog input/output, digital input/output, counter, frequency I/O modules. We provide various software development kits (SDK) and demos, such as DLL, ActiveX, Labview driver, InduSoft driver, Linux driver, OPC server, etc. The I-87K series I/O modules plugged in the ET-87Pn can be easily integrated into variant software system.


Type: Ethernet
    (Auto-negotiating, Auto MDI/MDI-X, LED indicators)
Cabling: Daisy-Chain Ethernet Cabling
Isolation: 3000 VDC
ESD Protection: +/- 4K Contact Discharge and +/- 8K Air Discharge
Communication Protocol: DCON Protocol (ASCII format)

LED Indicators

Power: Yes
System Ready: Yes
Auto configuration: Yes
Slot Status: Yes
IP Address: Yes (with push buttons to configure IP address)

I/O Expansion Slots

I/O Module Hot Swap: Yes
Auto Configuration: Yes
Support Module Type: High profile I-87K module only
Slots: 4
Dimensions (W x H x D): 188 mm x 132 mm x 111 mm


Input Range: 10 ~ 30 VDC (non-regulated)
Redundant Input: Yes
Reverse polarity protection: Yes
Isolation: 1000 VDC
Frame Ground: Yes
Consumption: 2 W
Power Board Driving: 30 W


Operating Temperature: -25 ~ +75 °C
Storage Temperature: -30 ~ +75 °C
Humidity: 5 ~ 95%, Non-condensing