PI Interfaces
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Modify the Modbus Interface to accept 32-bit Unsigned Ints from the PLC
provide a data type to accept a 4 byte unsigned integer from the PLC. At this point, it would be stored in a 64-bit float in PI DA.
21 votes -
Support multiple Modbus devices on the same machine
Add support for multiple Modbus devices (using the same IP address but different port numbers) on the same machine. For example, the interface could allow the user to configure something like this:
/dn= xxx.xx.xxx.xx:43120,/cn=1,/polldelay=0,/to=2,/rci=30,/writedelay=0,/debug=0,/disabled=0
/dn= xxx.xx.xxx.xx:43122,/cn=1,/polldelay=0,/to=2,/rci=30,/writedelay=0,/debug=0,/disabled=0
/dn= xxx.xx.xxx.xx:43124,/cn=1,/polldelay=0,/to=2,/rci=30,/writedelay=0,/debug=0,/disabled=0
Note: This was previously Enhancement 121980.9 votes -
Provide support for Modbus function code 20
Provide support for Modbus function code 20
2 votes -
POINDexter app be modified such that addresses beyond 64000 can be used
POINDexter application be modified such that addresses beyond 64000 are able to be ‘tested’ / polled, rather than having to configure a tag to read those registers
2 votes -
Add Mod10 to Custom Data Type Manipulator for Modbus Interface
Please add support for SquareD Mod10 custom datatype to the Modbus Interface.
Schneider Electric uses a custom datatype that uses four 16 bit registers. Each register represents an integer. Each integer is then multiplied by a factor and all results are added together.
Currently the only way I know how to read this is to create a PI modbus point for each register value, then create a calculated PI point to perform the math to add them together. All the values are in consecutive registers, so they could be read with one call to the device, if there were a…1 vote -
Support Modbus device failover
Enhance the interface to support redundant Modbus devices with different network cards/IP addresses. The controllers would publish a status update on the active device, and the interface should request data from it accordingly.
0 votes
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