The Modicon 140DAI55300 is a Discrete Input Module in the Quantum series with 32 discrete inputs and 4 groups of channels. The module requires a discrete input voltage of 115V AC, a required Bus current of 250 mA, and has an addressing requirement of 2 input words. The module is compatible with Concept, ProWORX 32, and Unity Pro software. The module has an “Active” LED that signals when the module is in operation, and 32 green LEDs that indicate the status of each point. Below is the 140DAI55300 Wiring Diagram.
The 140DAI55300 does not have fault detection and no internal fusing. External fusing can be used however at the user’s discretion. Input signals must be sinusoidal with less than 6% TDH and 63 Hz maximum frequency. A typical input impedance should not be used outside the 47 to 63 Hz range. The maximum allowable leakage current from an external device to be recognized as an off condition is 2.1 mA. The absolute continuous maximum input is 132 Vac. At 10 s, the maximum input is 156V AC, and at 1 cycle its maximum input is 200V AC.
All inputs in a group must be from the same phase of the voltage line input. Group to group and input to Bus isolation should each be 1780V AC for 1 minute. The 140DAI55300 has a power dissipation of 10.9 W max. The module has an Off to On minimum response time of 4.9 ms, and its maximum response time for this is 0.75 of the line cycle. Its On to Off minimum response time is 7.3 ms and maximum is 12.3 ms.