3 . I n s t r u c t i o n S e t
M N 0 5 0 0 3 0 0 3 E 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
3 - 3 4 7
ELC2
Ö
ELC1, ELC1 receives: “01 02 02 34 12 2F 75”
ELC data receiving register:
Register
Data
Descriptions
D0 1234
H
ELC converts the data in address 0500H ~ 0515H and stores the
converted data automatically.
State of the bits read from ELC2 Y0~Y17: 1234H
Device
Status
Device
Status
Device
Status
Device
Status
Y0 OFF
Y1 OFF
Y2 ON Y3
OFF
Y4 ON Y5 ON Y6
OFF
Y7
OFF
Y10 OFF Y11 On Y12
OFF
Y13
OFF
Y14 ON Y15 OFF Y16
OFF
Y17
OFF
5.
Flags and data registers for COM1 / COM2 / COM3 when they act as a Modbus Master:
COM2
COM1
COM3
Function
M1120 M1138
M1136
Retain communication setting
M1143 M1139
M1320
ASCII/RTU mode selection
D1120 D1036
D1109
Communication
protocol
COM.
setting
D1121
D1121
D1255
ELC communication address
M1122 M1312
M1316
Sending request
Sending
request
D1129
D1249
D1252
Set value for data receiving timeout (ms)
Receiving
completed
M1127
M1314
M1318
Data receiving completed
-
M1315
M1319
Data receiving error
- D1250
D1253
Communication
error
code
M1129 -
- Receiving
timeout
M1140
-
-
Data receiving error
M1141 -
-
Parameter error. Exception Code is stored in
D1130
Errors
D1130 -
-
Error code (Exception code) returning from
Modbus communication
Program Example 3: COM2 (RS-485), Function Code H03
1.
Function code K3 (H03): read multiple registers. For COM2 ASCII mode, only 8 words can be
read.
ELC connects to a drive on Modbus. (ASCII Mode, when M1143=OFF)
ELC connects to a drive on Modbus. (RTU Mode, when M1143=ON)
Содержание ELC-PB
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