Resources & Tools

1-25 of 4806 results
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
Case Study: Simplifying Access to Many Systems with One Interface
Documents - 2434 - Published:
View in HTML The City of Morro Bay, California is a popular coastal community that handles seasonal surges of tourists. For its Public Works Department, this means adapting to seasonal water usage...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
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.
Modern Edge Devices Bridge the Gap
Videos - Published:
Looking to digitally transform your operations, but your existing machines don't support newer protocols like MQTT or OPC UA? Don't worry, you're not alone. Legacy industrial controls...more
Southwest California Manufacturing Council Featured Business
Videos - Published:
Learn more about Opto 22's history and why it moved its headquarters to Temecula, California. Get an up close look at the factory, and why we're proud members of the Southwest California Manufacturing Council (SCMC).    
Case Study: Reimagining Road Safety Throughout the Philippines
Documents - 2431 - Published:
View in HTML With the rapid growth of vehicles on the road, local authorities in the Philippines faced an increasingly demanding responsibility to keep the roads safe. To address this challenge...more
Case Study: Boosting Productivity with Scalable Monitoring at Costa Farms
Documents - 2430 - Published:
View in HTML Headquartered in Miami, Florida, Costa Farms is a 60-year-old, family-owned company with a deep passion for plants. They grow over 1,500 varieties on 5,200 acres across the southeastern...more