— 4 —
— 5 —
— 6 —
4W/2W RS-485/ RS-422 (Terminal Block) Pinouts
Pin RS-422/485 (4W) RS-485 (2W)
1
TxD+(B)
---
2
TxD-(A)
---
3
RxD+(B)
Data+(B)
4
RxD-(A)
Data-(A)
5
GND
GND
Power Input and Relay Output Pinouts
V2+
V2-
V1+
V1-
Shielded
Ground
DC
Power
Input 1
DC
Power
Input 1
Relay
output
Relay
output
DC
Power
Input 2
DC
Power
Input 2
7. Specifications
Power Requirements
Power Input
12 to 48 VDC
Power Consumption
MB3170: 400mA@12 VDC,130mA@48 VDC
MB3170I: 405mA@12 VDC,140mA@48 VDC
Operating Temperature 0 to 55°C (32 to 131°F)
-40 to 75°C (-40 to 167°F) for –T model
Operating Humidity
5 to 95% RH
Dimensions
29 x 124.5 x 89.2 mm
Relay Output
Support 1 Digital Relay Output to alarm
(Normal close):
Current carrying capacity 1 A@ 30 VDC
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