Technical Specifications (Parameters) Parameter Description / Value Product Range Modicon M238 logic controller Product Type Discrete I/O module Range Compatibility Twido, Advantys OTB Number of Inputs 16 discrete inputs Input Voltage Type 24 V DC Input Voltage Limits 20.4...28.8 V DC Input Logic Sink or source (Type 1 IEC 61131-2) Input Current 7 mA at 24 V DC Input Impedance 3.4 kΩ Input Response Time Turn on: 4 ms / Turn off: 4 ms Number of Outputs 8 relay outputs Output Type Relay, 1 N.O. (Normally Open) per channel Output Voltage Rating 24 V DC / 230/240 V AC Maximum Output Voltage 30 V DC / 264 V AC Output Current 2 A max per output Current per Common Line 7 A max Number of Commons 1 for input, 2 for output (4 channels/common) Contact Resistance ≤ 45 mΩ Output Response Time Turn on: 12 ms / Turn off: 10 ms Mechanical Life 20,000,000 operations minimum Electrical Life 100,000 cycles at rated load (resistive) Isolation Input/Internal Bus 500 Vac for 1 minute Isolation Output/Internal Bus 2300 Vac for 1 minute Isolation Input/Output 1500 Vac for 1 minute Isolation Output Groups 1500 Vac for 1 minute Current Consumption (5V bus) 70 mA (all I/O on) / 10 mA (all I/O off) Current Consumption (24V bus) 40 mA (all I/O on) / 0 mA (all I/O off) Electrical Connection 1 spring terminal block (non-removable) Wire Gauge 0.5...1 mm² (20...18 AWG), single wire Dimensions (W x H x D) 42.9 mm x 90 mm x 70 mm Net Weight 0.14 kg Mounting Support 35 mm symmetrical DIN rail Operating Temperature -10...55 °C (ambient) Local Signaling 1 display block (LED indicators) Product Certifications CE, RoHS, REACH, Mercury free, PVC free Warranty 18 months