Supply voltage DC 24 V is permissible range, lower limit (DC) 20.4 V permissible range, upper limit (DC) 28.8 V Input current Current consumption, max 500 mA sensor power supply 5 V sensor supply 5 V output current 1.2 A max. Cable length, max 25 m 24 V sensor power supply is 24 V output current, max 1.4 A wire length, maximum 100 m absolute encoder (SSI) sensor supply absolute encoder (SSI) is a short-circuit protection is Digital Input Digital Input 10 Number of input voltage for signal "0" -3 to +5 V for signal "1" 11 to 30 V Input current for signal "1", the typical length of 8 mA wire shielded cable length, maximum 100 m Digital Output Digital Os 8 is the maximum short-circuit protection 30 W max 1 A lighting lighting load breaking capacity resistive load at the output of the load, maximum 30 W output voltage rating (DC) 24 V; L + for signal "1 "Min L + (-3V) for the current output signal" 1 "permissible range of 0 to 55 ℃, minimum 5 mA for signal" 1 "permissible range of 0 to 55 ℃, 300 mA maximum output resistive load Delay from "0" to "1", max 500 μs max switching frequency 500 Hz inductive load, max 0.5 Hz relay output maximum operating cycles 50000 Contact Resistance Load breaking capacity with resistive load Cable length max 1 A shielded cable length, maximum 600 m Analog Output Analog Outputs 4 Output range is -10 to +10 V voltage resolution Analog value integration and conversion time / resolution per channel with over-modulation rate (the number of bits including sign), max 15 bit sensor can be connected to the number of sensors, max 4 sensors can be connected to an incremental encoder (symmetrical) is an absolute encoder (SSI) is a closed-wire sensor is allowed Current (two-wire sensor) max 2 mA sensor signal, incremental encoder (symmetrical) track mark signals A, non-A, B, non-B zero mark signal N, non-N input signals 5 V differential signals (RS 422 physical ) sensor signals, absolute encoder (SSI) Input signal 5 V differential signals (physical RS 422) the data signal DATA, non-DATA clock signal CL, notCL packet length, can be parameterized to set 13,21,24 pulse repetition frequency , max 1.5 MHz; 187.5 KHz 1.5 MHz (can be parameterized) binary Gray code 1 1 shielded cable length, maximum 250 m; 187.5 kHz when 250 m, while 1.5 MHz 10 m isochronous mode beat synchronous operation (the application to port synchronization) is the shortest alarm clock pulse 1.5 ms / diagnostics / status information Alarms Diagnostic alarm device interface driver is driving the number of interfaces 4 analog drive signal shorted insurance rating; maximum 45 mA, 3.3 K ohms minimum load resistance Rated voltage range - 10.5 V to +10.5 V -3 to +3 mA output current regulator outlet to release the operating voltage relay contact number 4, the maximum operating current of 30 V, 1 A max operating power, maximum 30 V · A number of operating cycles, Min 50000; at DC 30 V, 1 A shielded the wire length, maximum 35 m relay contact signal output I number 2 operating voltage, maximum operating current of 30 V, 1 A max operating power, maximum 30 V · A number of operating cycles, minimum 50000; at DC 30 V, 1 A shielded the wire length, maximum 35 m II differential output voltage signal output, minimum 2 V; R = 100 ohm differential output voltage, the signal " 1 ", min 3.7 V; I = -20 mA when 3.7 V; I = -100 μA when 4.5 V, differential output voltage, for signal" 0 ", max 1 V; load resistance when I = -20 mA minimum 55 Ω output current, max 60 mA signal output pulse frequency of 750 kHz III shielded wire length, maximum 50 m; during the mixing operation with analog axes 35 m, 10 m asymmetric transmission potential of isolated digital input potential Isolated Digital Input Isolated Yes; For sensors, analog output, DP interfaces; does for other DI / DO digital output potential is isolated digital output potential isolation; For sensors, analog output, DP interfaces; does for other DI / DO degree of protection and Environmental protection class IP 20 is the minimum required operating temperature 0 ° C max 55 ° C Storage / transport temperature Min -40 ° C max 70 ° C Relative Humidity Humidity class F is the technology needed to connect 40-pin front connector size Width 160 mm Height 125 mm Depth 118 mm Weight Weight, about 1 kg Date 2014-2-10 SIMATIC S7-300, INTERFACE MODULE IM174, FOR CONNECTING ANALOG DRIVES AND STEP DRIVES VIA ISOCHRONUS PROFIBUS TO MOTION CONTROLLERS 4 CHANNELS (4 ENCOD.INP ., 4 AO) CONFIGURABLE WITH STEP7 V5.4 SP4