Resources & Tools

1-25 of 2391 results
Move I/O Unit to Numeric Table command behaves differently with firmware R10.0 and newer
Knowledge Base - KB88239 - Published:
If your PAC Control strategy uses the Move I/O Unit to Numeric Table command on a serial B3000 analog address, it treats each analog module as having 4 points instead of 2.  This will affect where the data is placed in the table.
Move Numeric Table to I/O Unit [Ex] does not defer or propagate
Knowledge Base - KB80935 - Published:
When using a SNAP PAC S-series controller in a redundant system with the SNAP PAC Redundancy Option Kit, the Move Numeric Table to I/O Unit and Move Numeric Table to I/O Unit Ex commands update the I/O...more
Tags are not refreshed correctly after a restart
Knowledge Base - KB88545 - Published:
When you work with Ignition or Ignition Designer and the Opto 22 groov EPIC and  SNAP PAC Driver module, when tag lists are restored after some events, some of the OPC-UA tags may appear valid but are not updated with current controller values.
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...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