7-4
• RS-232C/RS-485 Port status
15
14
13 12 11 10 9 8 7 6 5 4 3
2
10
Control data Error data
RS signal
CS signal
DR signal
ER signal
CD signal
CI signal
Initialization end
Reserved
Send error
Receive error
Framing error
Overrun
Parity error
Reserved
Reserved
Reserved
Meaningful when the RS-232C port is used.
Reserved when the RS-485 port is used.
Note: If a framing error, overrun error, or parity error occurs,
products with V.2535 or earlier module versions incur
module nonfatal error while products with V.2535 or later
module versions do not.
• General purpose module communication status
15
14
13 12 11 10 9 8 7 6 5 4 3
2
10
Mode switch (x8)
Mode switch (x4)
Mode switch (x2)
Mode switch (x1)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
RS-485 station No. (x8)
RS-485 station No. (x4)
RS-485 station No. (x2)
RS-485 station No. (x1)
Reserved when NP1L-RS2 is used.
• Framing error: It becomes ON when stop bit is not detected while receiving data.
• Overrun error: It becomes ON when data receive process of firmware failed while receiving data.
• Parity error: It becomes ON when parity error detected while receiving data.
Those error bit remains until initialize this module or power off.
7-1 RAS Information of General Purpose Communication Module
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