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4-27
4 Using Protocol Macros
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
4-2 De
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V
ariab
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-series Un
it and
Sys
tem-defined
V
ariables
(Pr
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4
4-2-5 D
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or CJ-ser
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r Status
*1 The current settings for the port are read. For details on the contents that are read refer to 4-2-1 Device Vari-
able for CJ-series Unit for System Settings on page 4-15. In the case operation is made using default settings
due to System Setup error, those settings are read.
*2 If any of the error bits 00 to 14 becomes TRUE in the Protocol Macro Mode but then communications are
recovered within the specified number of retries, the bit will become FALSE. The bit will remain TRUE if recov-
ery is not possible within the specified number of retries.
*3 Used with Protocol Macro or Serial Gateway Mode.
This bit becomes TRUE if an error occurs in the transmission path with the Serial Gateway.
*4 This bit becomes TRUE if a send start timeout or response timeout occurs with the Serial Gateway.
*_P1_OverRunErr *_P2_OverRunErr BOOL R Overrun Error TRUE: Overrun error
FALSE: Normal
*_P1_FramingErr *_P2_FramingErr BOOL R Framing Error TRUE: Framing error
FALSE: Normal
*_P1_ParityErr *_P2_ParityErr BOOL R Parity Error TRUE: Parity error
FALSE: Normal
Device variable for CJ-series Unit
Type R/W Name Function
Port 1 Port 2