Delta DVP-ES2 - Manual (Page 328)

D V P - E S 2 / E X 2 / S S 2 / S A2 / S X 2 / S E O p e r a t i o n M a n u a l - P r o g r a m m i n g
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Flag Function Action
M1314
COM1 Data receiving completed. When data receiving of
communication instructions is completed, M1314 will be ON. Users
can process the received data when M1314 is ON. When data
processing is completed, M1314 has to be reset by users.
Supported communication instructions: RS / MODRW
System
sets
and user
resets
M1315
COM1 receiving error. M1315 will be set ON when errors occur and
the error code will be stored in D1250.
Supported communication instructions: RS / MODRW
System
sets and
user
resets
Special register Function
D1036
COM1 (RS-232) communication protocol. Refer to the following table in
point 4 for protocol setting.
D1167
The specific end word to be detected for RS instruction to execute an
interruption request (I140) on COM1 (RS-232).
Supported communication instructions: RS
D1121 COM1 (RS-232) and COM2 (RS-485) communication address.
D1249
COM1 (RS-232) Communication time-out setting (unit: ms). If users set
up time-out value in D1249 and the data receiving time exceeds the
time-out value, M1315 will be set ON and the error code K1 will be
stored in D1250. M1315 has to be reset manually when time-out status
is cleared.
D1250
COM1 (RS-232) communication error code.
Supported communication instructions: MODRW
2. PLC COM2 RS-485: Associated flags (Auxiliary relays) and special registers (Special D) for
communication instructions RS / MODRD / MODWR / FWD / REV / STOP / RDST / RSTEF /
MODRW.
Flag Function Action
M1120
Retain communication settings. Communication settings will be
reset (changed) according to the content in D1120 after every scan
cycle. Users can set ON M1120 if the communication protocol
requires to be retained. When M1120 = ON, communication
settings will not be reset (changed) when communication
instructions are being processed, even if the content in D1120 is
changed.
User
sets/resets