Main Characteristic Value(s) Range of Product Modicon STB distributed I/O solution Product or Component Type Standard digital input kit Kit composition STBXTS2100, 6-terminal spring clamp connectorSTBDDI3420 moduleSTBXTS1100, 6-terminal screw type connectorSTBXBA1000 base Discrete input number 4 Discrete input voltage 24 V Discrete input voltage type DC Complementary Characteristic Value(s) Input voltage limits 11...30 V at state 1-3...5 V at state 0 Acceptable Input Voltage 30 V Absolute maximum voltage 56 V 1.3 ms Discrete input current 8 mA Current state 0 guaranteed = 2.5 mA Discrete input logic Positive or negative Response time 0.925 ms off-to-on 0.5 ms1.35 ms on-to-off 0.5 ms Protection type Power protection integrated fuse on PDM time lag 10 AInput protection resistor-limitedReverse polarity protection Insulation between channels and logic bus 1500 V for 1 minute Cold swapping Yes hot swapping Yes for standard NIMs Input filtering 1 ms2 ms4 ms8 ms0.5 ms16 ms +/- 0.25 ms Current supplied by sensor 100 mA per channel Product Compatibility I/O base STBXBA1000Power distribution module STBPDT3100/3105 [Us] rated supply voltage 24 V DC Supply Power distribution module Current consumption 45 mA 5 V DC logic bus Marking CE Overvoltage category II Status LED 1 LED (Green) module status (RDY)1 LED per channel (Green) channel status (IN1 to IN4)1 LED (Red) module error (ERR) Depth 2.6 in (65.1 mm) Height 0.7 in (18.4 mm) Width 4.9 in (125 mm) Product Weight 0.245 lb(US) (0.111 kg)