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address/bit F
40101
0
•
Closing internal Relay 1(positive edge) initiates Modbus+ communications.
Example #2:
Frequency commands (G3 com register 01) and Input commands (G3 com register 02) can be
written globally from node 1 (typically a source PLC) to nodes 02 - 17 (G3 drives).
Using the example PLC ladder program listed previously, and using the global write command,
Inverter on node 3 is to be started in the reverse direction using Acceleration/Deceleration
parameters settings #2. The output frequency of the inverter is to set to 30 Hertz.
Set the MSTR control registers to the following settings:
•
Set the MSTR control registers to the following settings:
Address
Description
40001
MSTR Function
40002
Error Code
40003
Number of consecutive registers to read
40004
Starting Register Address in G3
40005
Destination Node
40006
Routing Path
E
D
C
B
A
9
0
0
0
0
0
0
0
0
8
7
6
5
4
3
2
0
0
0
0
0
0
1
0
Register Setting
5
read only (see section 8.3)
32 decimal (always)
don't care
don't care
don't care
32
1
0
0
1 Hex 0005
5
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