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Use Cases
10.1.6
Set Up Transactions
Set up the communication between the node and the master.
In this example, the communication between the Temperature Regulator and the PLC.
The Temperature Regulator has two Modbus transactions:
•
One registers holding the setpoint temperature.
•
One registers holding the actual temperature.
Procedure
1.
Select the Temp Regulator node.
Configure the temperature setpoint transaction:
2.
To add a transaction, click Add.
3.
Select the transaction to configure.
4.
In the transaction sidebar, on the right side of the screen.
Enter values for the transaction settings.
Setpoint temperature transaction settings:
Setting
Transaction
name
Modbus
transaction
Address/
Register
Quantity
Update
mode
Update time 1000 ms
®
™
Anybus
Communicator
User Manual
Value
Description
Temp
Give the transaction a name.
Setpoint
Write
The PLC writes a block of contiguous registers to the temperature regulator.
Multiple
Registers (16)
Address: 0
Address 0 is Register 1.
Register: 1
1
The transaction will address one data object.
Cyclically
The temperature regulator sends a new message cyclically, every 1000 ms.
The update cycle is 1000 ms.
92 (124)
SCM-1202-162 1.1 en-US
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