What should be setting in Automation builder and connection for 3 wire RTD for AI531 module?
I am working on project with PM554-ETH cpu and AI531 module. When I connect the module getting error on Module. Help me with module connection with RTD and setting in automation builder?
Answers
Hi,
What error message do you have for AI531?
It could be power supervision (check supply parameter = on) or cut wire (check channel parameter) for example.
For better understanding, please provide a screen shot of the settings of AI531 from hardware configuration.
Type AI531 in automation builder help and you can get the connection diagram for 3-wire PT100, also description of parameter settings.
What error message do you have for AI531?
It could be power supervision (check supply parameter = on) or cut wire (check channel parameter) for example.
For better understanding, please provide a screen shot of the settings of AI531 from hardware configuration.
Type AI531 in automation builder help and you can get the connection diagram for 3-wire PT100, also description of parameter settings.
Hi,
For easier check, make a bridges between:
1.0 and 1.1
2.0 and 2.1
- connect resistor about 100 ohms between 1.0/1.1 and 2.0/2.1 (100 ohms = 0 oC)
- connect power supply to baseplate: +24VDC to UP (1.8) and 0VDC to ZP (1.9)
Channel configuration:

Connect variable to the input:

In the application:
TEMP0:=AI0_TEMP/10.0;
range of AI0_TEMP is -500 to 4000 for -50oC to 400oC
For easier check, make a bridges between:
1.0 and 1.1
2.0 and 2.1
- connect resistor about 100 ohms between 1.0/1.1 and 2.0/2.1 (100 ohms = 0 oC)
- connect power supply to baseplate: +24VDC to UP (1.8) and 0VDC to ZP (1.9)
Channel configuration:
Connect variable to the input:
In the application:
TEMP0:=AI0_TEMP/10.0;
range of AI0_TEMP is -500 to 4000 for -50oC to 400oC
Hi,
The correct connection of the IO variable is the following (INT variable):

The correct connection of the IO variable is the following (INT variable):
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