M4RTU/M4 I/O User’s Guide
25
CONNECTING TO A HOST PC
Wiring
RS-232 Pin Connections
The following diagram shows the pin positions for the M4RTU/M4 I/O COM0 serial port:
Refer to the table below to determine the function of each COM0 pin connection.
Table 2-2: Pin Connections for the M4RTU/M4 I/O COM0 Serial Port
1
Data Carrier Detect (DCD)
2
Transmit (TX)
3
Receive (RX)
4
Request-to-Send (RTS)
5
Clear-to-Send (CTS)
6
Data Terminal Ready (DTR)
7
Ground (GND)
QUICK START
Figure 2-6: RS-232 COM0 Pin Positions
Summary of Contents for Modular M4RTU
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Page 74: ...74 M4RTU M4 I O User s Guide FIELD WIRING...
Page 80: ...80 M4RTU M4 I O User s Guide PRODUCT SPECIFICATIONS...
Page 82: ...82 M4RTU M4 I O User s Guide ADDRESS JUMPER CONFIGURATION...
Page 86: ...86 M4RTU M4 I O User s Guide UPGRADING RAM AND FLASH EEPROM...
Page 89: ...M4RTU M4 I O User s Guide 89 WORKSHEETS Figure F 3 M4RTUX I O Extender I O Module Worksheet...
Page 91: ...M4RTU M4 I O User s Guide 91 WORKSHEETS Figure F 5 Field Wiring Worksheet Example 2...
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