With the device off, enter pairing mode (hold Volume+). Then hold the Multifunction button , Volume+ , and Volume- simultaneously for 3 seconds until you hear two beeps. 2. Simpson S661 (Industrial Rate Counter/Controller) Used in manufacturing to track speeds and counts.
Since your request mentioned "controller," it is most likely the Simpson S661 Rate Counter Go to product viewer dialog for this item.
If you read the RTC on every scan, the RS-485 bus will lock up, and you will see the phantom "Error 41."
Dual 0-20mA or 4-20mA outputs designed for modulating valves, variable frequency drives (VFDs), or SCR power controllers.
Tap the specific system icon (Spinner, Conveyor, Prewet, or Anti-Icing) you wish to isolate and nullify.
S661 Controller Manual Exclusive Jun 2026
With the device off, enter pairing mode (hold Volume+). Then hold the Multifunction button , Volume+ , and Volume- simultaneously for 3 seconds until you hear two beeps. 2. Simpson S661 (Industrial Rate Counter/Controller) Used in manufacturing to track speeds and counts.
Since your request mentioned "controller," it is most likely the Simpson S661 Rate Counter Go to product viewer dialog for this item. s661 controller manual exclusive
If you read the RTC on every scan, the RS-485 bus will lock up, and you will see the phantom "Error 41." With the device off, enter pairing mode (hold Volume+)
Dual 0-20mA or 4-20mA outputs designed for modulating valves, variable frequency drives (VFDs), or SCR power controllers. With the device off
Tap the specific system icon (Spinner, Conveyor, Prewet, or Anti-Icing) you wish to isolate and nullify.