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3-channel Digital Input with Open/Short Circuit Detection and 1-channel Relay Output Module
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Model: LC-131
  • Power Relay Output
  • Dry Contact Digital Input
  • Digital Input With Open/Short Circuit Detection
  • +/-4 kV ESD Protection
  • Tiny Form Factor with Easy Screw Mounting
The LC-131 is an easy-to-use digital input module, equipped with 3-channel digital input, functions open/short circuit detection, and 1-channel relay output. The digital input type is dry contact, meaning that wiring is easy. There are two methods of controlling the relay outputs, either directly from the digital input or via a remote host. Settings, such as communication protocol and node address can be configured either via hardware or via software, depending on the situation. The module has also passed + / -4 kV ESD reliability test, and is designed to operate in harsh environments.
Digital Input
Channels 3
Type Dry
On Level Close to GND
Off Level Open
Counters Max. Count 16-bit (65535)
Max. Input Frequency 100 Hz
Min. Pulse Width 5 ms
Short Circuit Detection Yes, optioned external terminal resistance of 1 K Ohms is required
Relay Output
Channels 1
Type Power Relay, Form A (SPST N.O.)
Operating Voltage 250 VAC or 30 VDC
Max. Load Current 16 A (Res. load )
Operating Time 15 ms Max.
Release Time 5 ms Max.
Mechanical Endurance 100,000 ops
Electrical Endurance 50,000 OPS
Power-on and Safe Value Yes, programmable
Interface RS-485
Format N, 8, 1
Baud Rate 1200 ~ 115200 bps
Protocol DCON, Modbus RTU
Node Addresses 96 ~ 127
Connector RJ-11 (6P4C or 6P6C)
LED Display
Power 1 LED as Power Indicator
EMS Protection
ESD (IEC 61000-4-2) +/-4 kV contact for each Terminal
+/-8 kV Air for Random Point
EFT (IEC 61000-4-4) +/-4 kV for Power Line
Reverse Polarity Protection Yes
Powered from Terminal Block Yes, 10 ~ 30 VDC
Consumption 0.8 W Max.
Dimensions (W x L x H) 52 mm x 98 mm x 27 mm
Installation Screw Mounting
Operating Temperature -25°C ~ +75°C
Storage Temperature -30°C ~ +80°C
Humidity 10 ~ 95% RH, Non-condensing
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