M4RTU/M4 I/O User’s Guide
53
INSTALLATION AND SETUP
Computer (DTE) RS-232 COM Port Pin Assignments
RS-232 25-pin
Pin
Name
Abbreviation
1
Protective Ground
----------
2
Transmitted Data
TD
3
Received Data
RD
4
Request to Send
RTS
5
Clear to Send
CTS
6
Data Set Ready
DSR
7
Signal Common
----------
8
Data Carrier Detect
DCD
20
Data Terminal Ready
DTR
22
Ring Indicator
RI
RS-232 9-pin
Pin
Name
Abbreviation
1
Data Carrier Detect
DCD
2
Received Data
RD
3
Transmitted Data
TD
4
Data Terminal Ready
DTR
5
Signal Ground
----------
6
Dat Set Ready
DSR
7
Request to Send
RTS
8
Clear to Send
CTS
9
Ring Indicator
RI
Содержание Modular M4RTU
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Страница 14: ...14 M4RTU M4 I O User s Guide INTRODUCTION Figure 1 3 M4RTU M4 I O Communications Configurations...
Страница 32: ...32 M4RTU M4 I O User s Guide INSTALLATION AND SETUP Figure 3 3 Installing the Power Supply on the M4RTU M4 I O...
Страница 74: ...74 M4RTU M4 I O User s Guide FIELD WIRING...
Страница 80: ...80 M4RTU M4 I O User s Guide PRODUCT SPECIFICATIONS...
Страница 82: ...82 M4RTU M4 I O User s Guide ADDRESS JUMPER CONFIGURATION...
Страница 86: ...86 M4RTU M4 I O User s Guide UPGRADING RAM AND FLASH EEPROM...
Страница 89: ...M4RTU M4 I O User s Guide 89 WORKSHEETS Figure F 3 M4RTUX I O Extender I O Module Worksheet...
Страница 91: ...M4RTU M4 I O User s Guide 91 WORKSHEETS Figure F 5 Field Wiring Worksheet Example 2...
Страница 94: ...94 M4RTU M4 I O User s Guide WORKSHEETS...
Страница 96: ...96 M4RTU M4 I O User s Guide PRODUCT SUPPORT...