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3 . I n s t r u c t i o n S e t
M N050 03003E F or mo re infor ma tio n vi sit:
w w w. e a t o n . c o m
3-229
Special register
Function
D1125
COM2 (RS-485) Definition of first ending character (ETX1)
Supported communication instruction: RS
D1126
COM2 (RS-485) Definition of second ending character (ETX2)
Supported communication instruction: RS
D1129
COM2 (RS-485) Communication time-out setting (unit: ms). If a
time-out value is moved into D1129 and the data received time
exceeds the time-out value, M1129 will be set ON and the error code
K1 will be stored in D1130. M1129 must be reset manually when the
time-out status is cleared.
D1130
COM2 (RS-485) Error code returned from Modbus. RS instruction is
not included.
Supported communication instructions: MODRD / MODWR / MODRW
D1168
The specific end word to be detected for RS instruction to execute an
interrupt request (I150) on COM2 (RS-485).
Supported communication instruction: RS
D1169
For RS instruction, when the received data length = the low byte of
D1169, the interrupt I160 will be triggered. When D1169 = 0, I160 will
not be triggered.
Supported communication instruction: RS
D1256~D1295
For COM2 RS-485 MODRW instruction. D1256~D1295 store the sent
data of MODRW instruction. When MODRW
instruction sends out data,
the data will be stored in D1256~D1295. Users can check the sent data
in these registers.
Supported communication instruction: MODRW
D1296~D1311
For COM2 RS-485 MODRW instruction. D1296~D1311 store the
converted hex data from D1070 ~ D1085 (ASCII). ELC automatically
converts the received ASCII data in D1070 ~ D1085 into hex data and
places it into D1296-D1311.
Supported communication instruction: MODRW
Содержание ELC-PB
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