Eaton ELC-PB, Programming Manual

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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 n f o r m a t i o n v i s i t : w w w. e a t o n . c o m M N 0 5 0 0 3 0 0 3 E
3 - 2 8 4
Program Example 2:
Communication between ELC and MVX AC drive (RTU Mode, M1143= ON)
MOV D1120 H87
M1002
SET M1120
MOV D1129 K100
M1127
Receiving
completed
Setting communication protocol 9600, 8, E, 1
Communication protocol latched
Setting communication timeout 100ms
Process of receiving data
Receiving completed and flag reset
Setting transmission flag
X1
The receiving data in HEX value
format is stored in D1070~D1085.
Setting as RTU mode
X0
MODRD K1 H0708
Setting communication command:
D
Data address H0708
D
ata length 2 words
evice address 01
K2
SET M1143
SET M1122
RST M1127
ELC
→
MVX, ELC transmits: 01 03 0708 0002 44 BD
MVX
→
ELC, ELC receives: 01 03 04 1770 0000 FE 5C
ELC transmit message
Register Data Descriptions
D1089 low byte 01 H Address
D1090 low byte 03 H Function
D1091 low byte 07 H
D1092 low byte 08 H
Starting data address
D1093 low byte 00 H
D1094 low byte 02 H
Number of data (count by word)
D1095 low byte 44 H CRC CHK Low
D1096 low byte BD H CRC CHK High
ELC receive message
Register Data Descriptions
D1070 low byte 01 H Address
D1071 low byte 03 H Function
D1072 low byte 04 H Number of data (count by byte)
D1073 low byte 17 H
D1074 low byte 70 H
Content of address 2102 H
D1075 low byte 00 H
D1076 low byte 00 H
Content of address 2103 H