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
3-231
Special register
Function
D1038
Delay time of data response when the ELC is a SLAVE on COM2,
COM3 RS-485 ports, Range: 0~10,000. (unit: 0.1ms).
By using ELC LINK on COM2, D1038 can be set to send next
communication data with delay. (unit: one scan cycle)
D1109
COM3 (RS-485) communication protocol. Refer to the following table in
point 4 below for protocol settings.
D1169
The specific end word to be detected for RS instruction to execute an
interrupt request (I160) on COM3 (RS-485).
Supported communication instructions: RS
D1252
COM3 (RS-485) Communication time-out setting (ms). If a time-out
value is set up in D1252 and the data receiving time exceeds the
time-out value, M1319 will be set ON and the error code K1 will be
stored in D1253. M1319 has to be reset manually when time-out status
is cleared.
D1253
COM3 (RS-485) communication error code
D1255
COM3 (RS-485) ELC communication address when ELC is Slave.
4.
COM port and communication settings/status table.
COM1
COM2
COM3
Function Description
M1138 M1120
M1136
Retain communication setting
M1139 M1143
M1320
ASCII/RTU mode selection
D1036 D1120
D1109
Communication
protocol
Protocol
setting
D1121
D1121
D1255
ELC communication address
- M1161
- 8/16 bit mode selection
-
M1121
-
Indicates transmission status
M1312 M1122
M1316
Sending
request
-
M1126
-
Set STX/ETX as user/system defined. (RS)
-
M1130
-
Set STX/ETX as user/system defined. (RS)
-
D1124
-
Definition of STX (RS)
-
D1125
-
Definition of ETX1 (RS)
-
D1126
-
Definition of ETX2 (RS)
D1249
D1129
D1252
Communication timeout setting (ms)
Sending
request
-
D1122
-
Residual number of words of transmitting data
Содержание ELC-PB
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