Opto22 - Resources & Tools

MQTT/Data Service may not issue Death Certificate when MQTT service restarted

Knowledge Base - KB90390 - 8/24/2022

When a groov EPIC or groov RIO restarts MQTT/Data Service, they should issue a Death Certificate to indicate that subsequent tag data is stale. However, with this issue, groov EPIC and groov RIO do not issue the Death Certificate.

Tag browsers display channel features that are not public

Knowledge Base - KB90388 - 8/24/2022

When you are browsing for tags through either an MQTT tag browser or OPC UA tag browser, the browser may display channel features that were not configured as public.

Some tag properties for groov EPIC/groov RIO with Sparkplug B payloads are missing/incorrect

Knowledge Base - KB90386 - 8/24/2022

When you are browsing for tags (through an MQTT tag browser) on a groov EPIC or groov RIO configured with Sparkplug B payloads, you may observe that the properties for some tags are missing or incorrect.

Some groov EPIC/groov RIO device tags are missing from Sparkplug B payloads

Knowledge Base - KB90384 - 8/24/2022

When you are browsing (through an MQTT tag browser) for tags on a groov EPIC or groov RIO configured with Sparkplug B payloads, you may observe that some tags are missing.

Can't view or write to energy tags

Knowledge Base - KB90382 - 8/24/2022

When you are browsing the total energy tags (channels 54 through 62 of the GRV-R7-I1VAPM-3 and GRV-IVAPM-3 modules), you may some errors.

Can't stop PAC Control strategy that has 0 running charts

Knowledge Base - KB90272 - 7/14/2022

The user interface in groov Manage is not consistent with PAC Control's behavior regarding the starting and stopping of strategies.

Ignition Edge may restart twice or not start after uploading a new server certificate

Knowledge Base - KB90358 - 8/24/2022

You may see in the groov Manage log that Ignition has been restarted twice it or it failed to start and the groov Manage Ignition page shows STOPPED in the Status section.

MQTT Service may fail to connect (out of memory)

Knowledge Base - KB90350 - 8/24/2022

The MQTT service may not connect due to "out of memory" errors.

OPC UA clients cannot read/write tags when using system administrator account

Knowledge Base - KB90343 - 7/14/2022

If you are using a groov Manage administrator account as the username and password to authenticate to the native OPC UA server, your OPC UA client will not be able to read or write tags.

SNMP traps continue to be sent after being disabled

Knowledge Base - KB90329 - 7/13/2022

groov native OPC UA server does not accept connections to localhost

Knowledge Base - KB90346 - 7/14/2022

In your OPC UA client, if you specify localhost as the connection string to connect to the groov EPIC native OPC UA server, when you try to browse for tags, you get error messages.

ETH0 doesn't connect to 10 Mbps network

Knowledge Base - KB90345 - 7/14/2022

If you connect the ETH0 network interface to a 10BASE-T switch or device, groov EPIC won't be able to communicate on the network.

GRV-R7-I1VAPM-3: energy accumulation channels report 3x the expected value

Knowledge Base - KB90328 - 7/6/2022

On a GRV-R7-I1VAPM-3 module, channels 57, 58, 59, 60, 61, and 62 report an accumulation of values. With this issue, these channels report approximately three times the expected value.

groov RIO: 0-400k ohm channel type may report quality code 6 for zero ohm input

Knowledge Base - KB90083 - 7/6/2022

Under specific circumstances, the channel value on a GRV-R7-MM1001-10 or GRV-R7-MM2001-10 module may incorrectly return NaN and report a quality code of 6.

Some security certificates are not uploaded

Knowledge Base - KB90315 - 7/6/2022

If you upload a security certificate that has a file extension other than .crt, groov Manage may report that it successfully uploaded the certificate and even display it on the Certificates list, even though the upload failed.

groov analog and some groov digital modules are unresponsive and module LED is red

Knowledge Base - KB90290 - 6/17/2022

If all the analog modules and some listed digital modules on the chassis are unresponsive and show red on the module LED, you may have this issue.

MQTT may not scan all public tags after watchdog changes for digital output channels

Knowledge Base - KB90206 - 7/6/2022

If you are using MQTT on a groov EPIC processor or groov RIO module to scan tags, MQTT may not scan all public tags if there is a change to the watchdog value and the watchdog enable/disable field on digital output channels.

FTP "appe" command overwrites remote file

Knowledge Base - KB90198 - 6/17/2022

In a PAC Control strategy, if you use the Send Communication Handle FTP appe command to append to a file on a remote FTP server, the command overwrites the file on the remote FTP server with the...more

PAC Control REST API returns strings that are not part of the strategy

Knowledge Base - KB90055 - 6/17/2022

If you call the /device/strategy/vars/strings get method (of the PAC Control REST API), on rare occasions, it may return hidden internal strings that begin with an underscore character ("_").

Some numeric-to-string commands may cause PAC Control engine to lock up or reset

Knowledge Base - KB90054 - 6/17/2022

On rare occasions, a couple of convert number-to-string PAC Control commands may cause the PAC Control engine to lock up or reset.

Downloading kernel dump sometimes fails with "Failed - Network error" message

Knowledge Base - KB89983 - 6/17/2022

When you attempt to download a kernel dump over a slow connection, you may receive an error message ("Failed - Network error") and the kernel dump does not finish downloading.

GRV-IVAPM-3 not always recognized after hot swap

Knowledge Base - KB90307 - 6/1/2022

When you install or hot-swap a module onto the chassis, the module LED should turn red, blink off for less than one second, turn red, then turn aqua. With this issue, the module LED on a GRV-IVAPM-3 module may remain red or continue blinking red.

Analog groov RIO channels and undetected discrete groov modules report quality code 0 instead of 30

Knowledge Base - KB90223 - 7/7/2022

PAC Control engine may not start the 64th user task

Knowledge Base - KB90226 - 6/17/2022

On rare occasions, the PAC Control engine may not start the 64th user task. A number of activities are considered user tasks.

Static Route remains in effect after deletion

Knowledge Base - KB90221 - 7/7/2022

After deleting a static route, groov Manage removes it from the list of static routes on the Static Routes page, but it continues to exist in the IP routing table, which means it remains in effect.