Alternating Relay Function – Worth Keeping in Mind
Alternating Relay Function – Worth Keeping in Mind
Recently, we introduced an alternating relay function to selected SIMEX process meters. If it slipped past you at the time, no stress — here’s a quick recap of why it’s a genuinely useful feature.
This function enables automatic switching between relay outputs, ensuring pumps, fans, compressors, and other actuators share the workload evenly. The result is smoother operation, reduced wear, and longer service life across your equipment.
What does this mean in practice?
- no additional controllers required
- no manual switching or operator intervention
- alternation handled directly inside the meter
- improved system reliability and balanced equipment usage
The alternating relay function is available in the following SIMEX models:
- SRP‑94
- SRP‑946
- SRP‑N118
- SUR‑457
Including configurations with 3× relay outputs + 1× analog output, giving you flexibility for more complex control schemes.
A real‑world example
Imagine a pair of air‑conditioning compressors. Instead of one unit doing all the work while the other sits idle, the meter automatically alternates between them — delivering fair workload distribution, balanced wear, and longer equipment life without any extra hardware.
Learn more about the devices
PCSPL supplies the full SIMEX range, including meters, controllers, and indicators with advanced control functions like alternating relays, batching, PID, and more.
If you’d like product recommendations or help selecting the right consideration for the right thing