Resources & Tools

1-25 of 6800 results
How to use the Node-RED package for groov View
Videos - Published:
Node-RED is a visual tool for wiring the Internet of Things, by wiring together hardware devices, APIs and online services in new and interesting ways. The Node-RED for groov View nodes...more
Can't Set Color or Text for On/Off Text Fields When Data Source is Bit
Knowledge Base - KB89530 - Published:
If you set a bit of an integer tag as the source for a Value or LED gadget, groov View doesn't allow you to set the text (for Value gadget) or color (for LED gadget) for the appropriate On and Off fields.
Case Study: Martins Electrical Service provides easy EaaS for OEM
Documents - 2358 - Published:
Read this case study in the OptoBlog Equipment-as-a-service (EaaS) involves renting out equipment and collecting payment periodically, rather than selling the equipment outright. OEM Shumaker...more
Send Communication Handle Command Fails (-52 error) When Ethernet Cable Unplugged
Knowledge Base - KB88964 - Published:
When using an ftp communication handle in your PAC Control strategy with the command “Send Communication Handle Command”, it will fail with a -52 error under certain circumstances.
Secure Shell Access (SSH) Overview with groov EPIC
Videos - Published:
In this video you'll learn how to configure and get started with secure shell (SSH) access to the command line of the groov operating system (OS). The groov EPIC processor runs...more
Webinar: Introduction to MQTT Sparkplug with HiveMQ and Opto 22
Videos - Published:
In this webcast, HiveMQ introduces the key concepts of MQTT Sparkplug and shows how it can promote simplified IIoT architectures.They also do a live demonstration that showcases connecting industrial...more
PAC Control: Some 32 Bits Commands Don't Copy Bit for Bit
Knowledge Base - KB89418 - Published:
Some PAC Control commands that should move values between a 32-bit integer and 32-bit float, bit for bit, so if you move an integer to a float and back, the value of the integer should be unchanged. With this issue, the value of the integer might change.
Redundant System I/O may not be Re-enabled after I/O Power Cycle
Knowledge Base - KB89414 - Published:
If an I/O unit on a redundant system is power cycled or rebooted, you may not be able to re-enable communication to it—either manually via the PAC Control debugger or programmatically&mdash...more
PAC Control: "Reset" Option on mistic PID has No Effect
Knowledge Base - KB89363 - Published:
On a mistic I/O unit, a PID control loop configured in PAC Control with the Reset option set may not behave as expected when placed into manual mode. Instead of being reset, the PID may remain active.
PAC Controller HTTP Status Return Code Incorrect
Knowledge Base - KB89137 - Published:
In PAC Control, when using the command HTTP GET, the HTTP code returned is the actual code multiplied by 65536. For example, if the return code is 13107200, the actual code is 13107200 divided by 65536, or 200.