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 5 3
z
RTU mode (COM3: M1320 = ON COM1: M1139 = ON):
When X0 = ON, MODRW instruction executes the function specified by Function Code 03
ELC
Ö
the drive, ELC sends: ” 01 03 0708 0006 45 7E”
The drive
Ö
ELC, ELC receives: “01 03 0C 0000 0503 0BB8 0BB8 0000 012D 8E C5”
Registers for received data
Register
Data
Descriptions
D0 0000
H
ELC converts data in 0708 H and stores the converted data
automatically.
D1 0503
H
ELC converts data in 0709 H and stores the converted data
automatically.
D2 0BB8
H
ELC converts data in 070A H and stores the converted data
automatically.
D3 0BB8
H
ELC converts data in 070B H and stores the converted data
automatically.
D4 0136
H
ELC converts data in 070C H and stores the converted data
automatically.
D5 012D
H
ELC converts data in 070D H and stores the converted data
automatically.
Program example 5: COM2(RS-485), Function Code H05
1.
Function code K5(H05): Force ON/OFF
bit device
2.
ELC1 connects to ELC2: (M1143 = OFF, ASCII mode), (M1143 = ON, RTU Mode)
3.
n
= 1 indicates Force ON (set FF00H) and
n
= 0 indicates Force OFF (set 0000H)
4.
For ASCII or RTU mode, ELC COM2 stores the data to be sent in D1256~D1295 and stores
the received data in D1070~D1085
5.
Take the connection between ELC1 (ELC COM2) and ELC2 (ELC COM1) for example, the
tables below explain the status when ELC1 Force ON ELC2 Y0.
Содержание ELC-PB
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