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Some full-feature groov I/O modules may disrupt communication with groov I/O simple and serial modules
Knowledge Base - KB91168 - Published:
If an affected groov I/O module is inserted in one of the first five slots (positions 0 through 4) of the chassis, groov simple modules in positions 0 through 7 and groov serial modules (only supported...more
Validate Recipe File utility in PAC Display fails to report missing blank lines in recipe files
Knowledge Base - KB91164 - Published:
When using the Validate Recipe File utility in PAC Display, missing blank lines may not be reported, and you may incorrectly receive a Recipe File successfully parsed! message in the results.
Unable to configure PID output using a groov RIO or GRV-MM1001-10 channel configured as TPO
Knowledge Base - KB90973 - Published:
If a groov RIO or a multifunction mixed-signal (GRV-MM1001-10) channel is configured with the TPO feature, you may be unable to add it as an output of a PID loop in PAC Control.
SNAP-AITM and SNAP-AITM-i modules are misidentified in PAC Manager
Knowledge Base - KB91136 - Published:
In the Inspect mode of PAC Manager, the SNAP-AITM and SNAP-AITM-i modules are misidentified as “SNAP-AITM1” and “SNAP-AITM1-i,” respectively. This only affects how the...more
EtherNet/IP Configurator does not upload SNAP-AOVA-8 module configurations
Knowledge Base - KB91104 - Published:
In Ethernet/IP Configurator, if you add a SNAP-AOVA-8 module to an I/O unit and configure its channels, then download the configuration, if you then upload the configuration to your computer, the SNAP-AOVA-8 module is missing.
Append overwrites an existing file
Knowledge Base - KB91041 - Published:
If your PAC Control strategy uses a communication handle configured to open a file to append data, the existing file is overwritten. (Opening a file to append information is done by specifying a...more
PAC Control's "I/O Unit Ready?" condition may incorrectly return false
Knowledge Base - KB91123 - Published:
When you configure Ethernet redundancy from a controller to an I/O unit, the I/O Unit Ready? condition may incorrectly return false when there is an available network connection to the I/O unit.
ENET2 disabled after firmware update
Knowledge Base - KB91122 - Published:
After installing firmware on an R-series controller that had ENET2 configured and operating, ENET2 is disabled. (If you can physically look at the controller, you will notice that the indicator lights are off.)
Delta phase following faulting phase incorrectly reports valid data
Knowledge Base - KB91119 - Published:
If a GRV-R7-I1VAPM-3 module is configured to monitor a delta system and there is a fault (usually indicated by a quality code other than 0) in a channel in one phase, the corresponding channel in the...more
Quality code 8 persists until power to GRV-R7-I1VAPM-3 module is cycled
Knowledge Base - KB90978 - Published:
With this issue, if the voltage, current, and true power channels of a phase persistently report quality code 8, the quality code errors for that phase may not resolve until you reset the GRV-R7-I1VAPM-3 module.
Unwanted "X-Priority:3" appears in the body of email sent by controller
Knowledge Base - KB91102 - Published:
Adding a carriage return line feed character sequence (ASCII codes 13 and 10) to the end of the subject line (element 0 of the message body string table) may result in "X-Priority:3" being...more
GetNumCharsWaiting command with a file communication handle returns incorrect values
Knowledge Base - KB91070 - Published:
If a chart running on a SNAP-PAC-R1 (GEN2) runs the Get Number of Characters Waiting (GetNumCharsWaiting in OptoScript) command with a file communication handle, the command may incorrectly return 0 or differing (incorrect) values.
Data Services not writing to PID output
Knowledge Base - KB91014 - Published:
Requests sent through Data Services (OPC UA server, MQTT (Sparkplug or String payloads)) to write a value to a PID output do not work even if you have the PID output set to public and writable. You may...more
TCP connection attempts to port 2001 (OptoMMP) or port 502 (Modbus) may fail
Knowledge Base - KB91081 - Published:
When host software attempts to open an OptoMMP (TCP) or Modbus/TCP connection, the connection may be refused, even though connections to other services (like groov Manage or the controller) continue to operate normally.

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