9240si Loop Controller User Manual May 2026

| Part Number | Description | |-------------|-------------| | 9240SI-A-1-1 | AC power, 4–20mA output, no comms | | 9240SI-D-MU | 24V DC, dual relay outputs, Modbus RTU | | 9240SI-E-2 | Ethernet/IP, 2 universal inputs, SSR output | | ACC-LOAD-01 | External shunt for 4–20mA testing | | ACC-PROG-SI | USB-to-RS485 converter + SI-Config software license |

The "secret sauce" of the 9240si is its PID (Proportional, Integral, Derivative) algorithm. 9240si loop controller user manual

| Parameter | Value | |-----------|-------| | Accuracy | ±0.1% of span, ±1 digit (TC input: ±1.0°C) | | Sampling rate | 10 Hz (100 ms) | | PID update rate | 250 ms | | Analog input resolution | 18 bits | | Control output resolution | 16 bits (4–20mA), 1ms PWM (SSR) | | Isolation | 1500V AC between input, output, power | | Agency approvals | CE, UL 61010-1, FM Class 3545 | The "secret sauce" of the 9240si is its

One of the biggest headaches in retrofitting is mismatched signals. The 9240si solves this with universal inputs. | Parameter | Value | |-----------|-------| | Accuracy

The 9240SI-E supports Ethernet/IP and Modbus TCP. The 9240SI-P supports Profibus DP.