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E L C P r o g r a m m i n g M a n u a l
F o r m o r e i nf o r m a t i o n v i sit :
w w w. e a t o n . c o m
MN05003003E
3-228
Flag
Function
Action
M1141
MODRD/MODWR/MODRW parameter error
Supported communication instructions:
MODRD / MODWR/ MODRW
System sets
M1143
ASCII / RTU mode selection. ON : RTU mode, OFF: ASCII mode.
Supported communication instructions:
RS / MODRD / MODWR / MODRW
User sets
and resets
M1161
8/16-bit mode. ON: 8-bit mode. OFF: 16-bit mode
Supported communication instructions: RS
User sets
Special register
Function
D1038
Delay time of data response when ELC is a SLAVE on COM2, COM3
RS-485 communication, 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)
D1050~D1055
Converted data for Modbus communication data processing. ELC
automatically converts the ASCII data in D1070~D1085 into Hex data
and stores the 16-bit Hex data in D1050~D1055
Supported communication instructions: MODRD
D1070~D1085
Received data (ASCII) from Modbus communications. When the ELC’s
RS-485 communication instruction receives data, the data will be
saved in registers D1070~D1085.
RS instruction is not supported.
D1089~D1099
Sent data of Modbus communication. When the ELC’s RS-485
communication instruction (MODRD), the data will be stored in
D1089~D1099.
RS instruction is not supported
D1120
COM2 (RS-485) communication protocol. Refer to the following table in
point 4 below for protocol settings.
D1121
COM1 (RS-232) and COM2 (RS-485) ELC communication address.
D1122
COM2 (RS-485) number of words of transmitted data.
D1123
COM2 (RS-485) number of words of the received data.
D1124
COM2 (RS-485) Definition of start character (STX)
Supported communication instruction: RS
Содержание ELC-PB
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