European Article Number 4016779649056 Сustoms Tariff Code 85389091 Dimensions 54 mm x 76 mm x 68 mm Produced in - Weight 0.11 kg Name DC551-CS31 ID 1SAP220500R0001 Analog Configurable I/Os 0 Serial Port №1 CS31, RS485 interface Fieldbus Interface CS31 Slave Hardware Counter Input Frequency Limit 50 kHz Software AC500 Control Builder PS501-PROG Nominal Output Voltage 24 V DC Power Supply 24 V DC Analog I/Os Limit 32 AI, 32 AO Hardware Counters 2 Ingress Protection Rating IP20 Nominal Nominal Current 0.5 A Nominal Voltage 24 V DC Input Voltage 24 V DC Mounting Style Horizontal, Vertical possible with derating Digital Configurable I/Os 16 Digital Inputs DC 24V 8 Secondary Current Strength 0.3 A Serial Port №2 I/O-Bus Extra Functions Integrated Fast counter Connections Bus module with Onboard IO - 8DI / 16DC DIN Mounting TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 Digital I/Os Limit 240 DI, 240 DO