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5-13
5 Serial Gateway
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
5-3 Usin
g the Serial Gate
wa
y
5
5-3-1 Setting De
vice
V
ar
iab
le f
o
r CJ-ser
ies Un
it f
or System
S
e
ttings and Soft
w
are Switches
Set the CJ-series Unit device variables for System Settings shown below.
Use the following flag to check whether a Serial Gateway response timeout or send start timeout
occurred.
Using Serial Gateway with Protocol Macros
Device variable for CJ-series Unit
Type R/W Name Function
Port 1 Port 2
*_P1_PortCfg *_P2_PortCfg WORD RW Port Set-
tings Serial communica-
tions mode (bits 11 to
08): 6 hex: (Protocol
Macro Mode)
Bits 00 to 04: Set the
serial communica-
tions conditions to
match the protocol at
the conversion desti-
nation.
*_P1_BaudrateCfg *_P2_BaudrateCfg USINT RW Baud
Rate
(unit: bps) Baud rate: Set to
match the protocol at
the conversion desti-
nation.
*_P1_SendDelayCfg *_P2_SendDelayCfg WORD RW Send
Delay
Settings Bit 15: Send delay
time
Bits 00 to 14: Send
delay (user-specified)
*_P1_HlkCTSCtlCfg *_P2_HlkCTSCtlCfg BOOL RW CTS Con-
trol FALSE: No
TRUE: Yes
*_P1_PmrSgwRespTimeoutCfg *_P2_PmrSgwRespTimeoutCfg USINT RW Serial
Gateway
Response
Timeout
Monitor-
ing Time 0: 5 s (default)
Data range: 1 to 255
0.1 to 25.5 s [Unit:
100 ms]
*_P1_PmrSgwSendTimeoutCfg *_P2_PmrSgwSendTimeoutCfg USINT RW Serial
Gateway
Send
Start Tim-
eout Mon-
itoring
Time 0: 5 s (default)
Range: 1 to 255
0.1 to 25.5 s [Unit:
100 ms]
Device variable for CJ-series Unit
Type R/W Name Function
Port 1 Port 2
*_P1_TimeoutErr *_P2_TimeoutErr BOOL R Timeout
Error TRUE: Timeout
FALSE: Normal