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5 Serial Gateway
5-2
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
5-1
Serial Gateway Overview
The messages (commands) that are received are automatically converted into the corresponding proto-
col and then sent via serial communications. The responses are also automatically converted. This
function can convert messages into the following protocols.
•
CompoWay/F
•
Modbus-RTU
•
Modbus-ASCII
The Serial Gateway is enabled under the following conditions.
•
When Serial Gateway Mode is set as the serial communications mode.
•
When Protocol Macro Mode is set as the serial communications mode, and the Serial Gateway Pro-
hibit Switch is OFF. (The serial gateway is also enabled during execution of ExecPMCR instructions.)
5-1-1
Overview
5-1-2
Operating Conditions
2803
2804
2805
Header
Header
Header
CompoWay/F command
Modbus-RTU command
Modbus-ASCII command
CompoWay/F command
Modbus-RTU command
Modbus-ASCII command
Serial
Communications
Unit
The Serial Gateway is enabled under the following conditions.
•
In Serial Gateway Mode
•
In Protocol Macro Mode with the Serial Gateway Prohibit Switch turned OFF
Message (via network or CPU bus)
RS-232C or RS-422A/485
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...