Summary:

LU-S14053 offers 16 non-isolated digital input channels, supports dry/wet contact. For wet contact, the high level input is +4 ~ +30V, the low level input is 0 ~ +2V; for dry contact, the valid transmission distance is up to 500m. LU-S14053 supports Modbus protocol, uses RS-485 to communicate, has built-in optical coupler, can provide 3000VDC isolation voltage. LU-S14053 also has the functions of surge protection, surge absorption, thunder-proof etc.

Main Feature:

Excellent EMC performance

1. High Anti-Electrostatic, test result:
  Air Discharge: ± 12 KV
  Contact Discharge: ± 6 KV
2. Easy to pass 3 KV Electrical Fast Transient/Burst Immunity Test (EFT test)
3. Lighting Surge Immunity: ± 2 KV
4. Radiated & Noise Immunity Test
With noise interference simulated by multi-circle wire(Impulse amplitude: 1 KV, bandwidth: 1 µs) by 10 minutes, no abnormal phenomena
5. Voltage Dips, Short Interruptions, and Voltage Variations Immunity Test 
  Gradual change of voltage: ± 20% Ut,
Gradual change of time: 2 s ± 20%
  Voltage Dips and Short Interruptions: 40% Ut 
The duration time: 5 s

Digital Input
● Channels: 16
● Input Level:
Dry Contact: Logic Level 0: Close to GND
Logic Level 1: Open
Wet Contact: Logic Level 0: +2 V max
            Logic Level 1: +3.5 V ~ +30 V
● Valid Distance(Just for Dry Contact): 500m max

Communication
● Mode: RS-485
● Communication Protocol: Modbus
● Isolation Voltage: 3000 VDC
● Surge-protection & Thunder-proof: Yes

Watchdog Timer Built in

Power
● Power: Unregulated +10 ~ +30 VDC
● Power Consumption: 1.2 W
 

After-sale service Pre sales consultation