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SNAP I/O Watchdog not working
Knowledge Base - KB88530 - Published:
In PAC Control, if you configure the  Watchdog feature on a SNAP analog or digital output point, when a watchdog condition occurs due to no activity to the I/O Unit for the period specified in the I...more
groov I/O: TPO may not update percent on-time (duty) correctly
Knowledge Base - KB88528 - Published:
If your PAC Control strategy runs a Set TPO Period command followed by Set TPO Percent command, you may observe that the TPO period is cut short or extended for one period. This should not happen; any...more
Errors or abnormal functioning with channels on GRV-IDCIFQ-12 module
Knowledge Base - KB88599 - Published:
In PAC Control, if you configure a channel on a GRC-IDCIFQ-12 module with a feature other than None or Quadrature Counter, commands related to the feature will result in an error in the controller's message queue and/or abnormal functioning.
With Redundant Network System Type, secondary IP address not used when set to active
Knowledge Base - KB88297 - Published:
In PAC Terminal, if you right-click on a control engine with a System Type of Redundant Networks, then select Use Secondary Address, you'll see that in the Control Engines list, the control...more
PAC Control: Can't enter hex value when you configure or edit an integer variable
Knowledge Base - KB88414 - Published:
In PAC Control, when you configure or modify an integer variable and try to type in a hexadecimal value (for example, 0xA) in the Initial Value field, nothing happens. You should be able to enter a hexadecimal value.
I/O Point Mapping report shows one point in two different locations
Knowledge Base - KB88404 - Published:
If your strategy contains groov serial modules (GRV-CSERI-4) and you view/print an I/O Point Mappings report (File > View/Print > I/O Point Mappings) as Formatted (instead of Comma-separated), you'll notice that some of the points repeat.
With Redundant Network System Type, secondary IP address not used when set to active
Knowledge Base - KB88298 - Published:
For a PAC Control Engine configured with a System Type of Redundant Networks, if you set the Secondary IP Address as the active IP address , when in Debug mode, you could see the top of the inspect...more
In PAC Manager, watchdogs for digital outputs cannot be enabled
Knowledge Base - KB88319 - Published:
You can use PAC Manager to test the watchdog function on an output point, by enabling the watchdog timer, enabling the watchdog for the point, and setting the watchdog value. However, in the point...more
MQTT topics not being published
Knowledge Base - KB88518 - Published:
If you are running MQTT with string payloads on your groov EPIC processor and you did not specify a base topic, your topics (PAC Controller tags) will not be published. The base topic is required...more
MQTT with string payloads “status” and “publishall” requests may function erratically
Knowledge Base - KB88514 - Published:
If you are running MQTT with string payloads on your groov EPIC processor and you send "status" or "publish all" requests, some requests may get missed, so you may not receive the updates.
I/O unit's Inspect window incorrectly reports channel quality as good for missing module
Knowledge Base - KB88391 - Published:
Channel configured in a PAC Control strategy but module is not installed on the chassis should show 'Bad' in the Points [Detailed] tab of the I/O unit's Inspect window. It incorrectly shows Good.
Secondary or Wifi IP address can conflict with Primary IP address
Knowledge Base - KB88508 - Published:
One of the Ethernet network interfaces on a SNAP PAC controller may appear to be unresponsive. But if you remove the Ethernet cable from the other interface, the original interface becomes responsive.

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