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Allen-Bradley 825-P User Manual

Allen-Bradley 825-P
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Rockwell Automation Publication 825-UM004D-EN-P - November 2012 133
Modbus RTU Communications Chapter 10
RS 232 Connections
Table 62 - RS 232 Connections
Figure 46 - Example of wiring between a MicroLogix PLC Advanced Interface Converter (AIC) and
the 825-PMB
, Modbus Option Card.
Pin Pin Function Definition
1 +5V DC
2RxD Receive Data
3 TxD Transmit Data
4 NC No Connection
5 GND Signal Ground
6 GND Signal Ground
7 NC No Connection
8RTS Request to Send
9CTS Clear to Send
5 4 3 2 1
9 8 7 6

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Allen-Bradley 825-P Specifications

General IconGeneral
BrandAllen-Bradley
Model825-P
CategoryPower distribution unit
LanguageEnglish