Installing the PM8xx/TP830 Processor Unit in Single Configuration
Section 2 Installation
62
3BSE 027 941 R301
COM3 Port
The COM3 is an RS232-C port with modem signals. This port is used for serial
protocols such as Modbus, Siemens 3964R, COMLI or custom-design.
Table 8. TP830 COM3 Connections (RJ45 connector)
Pin
Designation
Direction
Description
1
RTS
Out
Request To Send
2
DTR
Out
Data Terminal Ready
3
TD
Out
Transmit Data
4
0V
-
Signal ground
5
0V
-
Signal ground
6
RD
In
Receive Data
7
DCD
In
Data Carrier Detect
8
CTS
In
Clear To Send
Housing
Shield
-
Shield
Summary of Contents for AC 800M
Page 1: ...ControlIT AC 800M Version 2 1 Controller Hardware Hardware and Operation...
Page 2: ......
Page 3: ...Controller Hardware Hardware and Operation ControlIT AC 800M Version 2 1...
Page 10: ...7DEOH RI RQWHQWV 10 3BSE 027 941 R301...
Page 20: ...Related Documentation About This Book 20 3BSE 027 941 R301...
Page 26: ...Operating Environment Safety Summary 26 3BSE 027 941 R301...
Page 42: ...Product Release History Section 1 Introduction 42 3BSE 027 941 R301...
Page 108: ...Powering from an External 24 V DC Source Section 3 Configuration 108 3BSE 027 941 R301...
Page 118: ...Verification of Redundant CPU Section 4 Operation 118 3BSE 027 941 R301...
Page 212: ...Low Voltage Directive LVD Appendix D Directive Considerations 212 3BSE 027 941 R301...
Page 214: ...Hazardous Location Approval Appendix E Standards 214 3BSE 027 941 R301...
Page 228: ...QGH 228 3BSE 027 941 R301...
Page 229: ......