Translations:WB-MRWL3 Modbus Relay Modules/17/en

Материал из Wiren Board
Parameter Value
Power
Supply voltage 12 — 28 V DC
Power consumption
  • Idle mode (All relays switched off) — 0.5 W
  • All relays switched on — 2 W
  • Peak value — up to 5 W for 20 MS
Terminals and wire section
Recommended wire cross-section with NSUI, mm2 0,75 — 1 for control inputs, 2 x 2.5 for relay outputs
Length of the standard sleeve NSVE, mm 8 (10 for relay outputs)
Torque of screws, N∙m 0,2 for control inputs , 0,4 — for power outputs
Outputs
Output type Mechanical relay contacts
Output configuration 3 / output connected to the relay contacts
Configuration of each output contacts Two-position, normally open (S and NO)
Maximum switching voltage, AC 250 V
Maximum switching voltage, DC 30 Volts
Rated current per channel 20 A
Contact resistance < 100 milliohms
Voltage isolation between the controller and the output 1500 V (RMS value)
Term life: see table in #Relay parameters
Inputs
Number of inputs (Inputs 0—3) 4 (3+1)
Input type "Dry contact", group insulation.

The input voltage is ~4.5 V. Current closing input ~2mA.

Functions
Control
Management interface RS-485
Interface isolation Uninsulated
Communication protocol Modbus RTU, the address is set by software, factory settings are indicated on the label
RS-485 interface parameters set programmatically (see register card);
default: speed — 9600 bit/s; data — 8 bit; parity bit — none (N); stop bits — 2
Ready for operation after power supply ~0.03 c
dimensions
Width, DIN units 3
Overall dimensions (l x W x h) 53.3 x 90.2 x 57.5 mm
Display
Power and data exchange indication Green status led
Relay channel status indication Red LEDs, 1 — 3
Operating conditions
Air temperature
Relative humidity Up to 85%, without condensation
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