9240si Loop Controller User Manual [Desktop]

Practical example (single-loop level control, reasonable defaults)

Connect Line (L) to Terminal 1 and Neutral (N) to Terminal 2.

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Define the operational bounds for linear inputs. For example, set Sc-L to 0.0 and Sc-H to 100.0 for a 0–100 PSI pressure sensor.

Clean the front membrane panel using a damp, soft cloth. Do not use harsh solvents or abrasive cleaning agents. Clean the front membrane panel using a damp, soft cloth

Initiate the test. The controller will measure the resistance of the loop.

Tighten the bracket screws evenly against the back of the panel. Do not overtighten, as this can crack the plastic housing. Environmental Considerations 0°C to 50°C (32°F to 122°F). Humidity: 10% to 90% RH, non-condensing. The controller will measure the resistance of the loop

Never disconnect the loop controller while power is applied if the load is inductive (e.g., solenoid valves, motor starters). Always use an external fast-acting fuse (1A, 250V) on the power input.