
B-62714EN/04 OPERATION 1.16/18/21-B, 16/18-C, LCD-MOUNTED TYPE 16i/18i/21i-A/B
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Status of communication with remote slave stations
Status of communication with remote slave stations #1 to #[MAX
SLAVE NO]:
The status of communication with each slave station is indicated (1
byte for each).
bit 7bit 6bit 5bit 4bit 3bit 2bit 1bit 0
Bit 7: LINK STATUS (status of the link with a slave station)
- When LINK STATUS = 0, the link is disconnected.
- When LINK STATUS = 1, communication is performed
normally.
Bits 6 to 1: Reserved (0 at all times)
Bit 0: Communication error flag
- When communication error flag = 0, the successive error detach
detection counter is not exceeded.
- When communication error flag = 1, the successive error detach
detection counter is exceeded.