Siemens S5-135U/155U - Page 346

8-34
System Manual
C79000-G8576-C199-06
8.4.3 6ES5 431-4UA12 Digital Input Module
Rated input voltage 24 to 60 V DC
Number of inputs 16
Isolation Yes, 16 inputs
Input voltage
for logic 0
for logic 1
–33 to 8 V
13 to 72 V
Rated input current 4.5 to 7.5 mA (24 to 60 V DC)
Input frequency 100 Hz max.
Delay time 3 ms typical (1.4 to 5 ms)
Coincidence factor (total load capability) 100 %
Permissible line length 400 m max. unshielded;
1000 m max. shielded
Power supply
Digital section from system bus 5 V, 90 mA typical
Supply voltage for 2-wire BERO 22 to 72 V
Power dissipation (rated operation) 2.2 to 7.7 W (24 to 60 V)
Enable input (F+/F–)
Rated input voltage 24 to 60 V DC
Input voltage
for logic 0
for logic 1
–72 to 8 V
13 to 72 V
Rated input current 5 mA (at 48 V DC)
Permissible line length 200 m max.
Voltage test to VDE 0160 Between two groups: 1250 V AC
Between group and ground point: 1250 V AC
Mechanical specifications
Dimensions (W x H x D) 20 mm x 255 mm x 195 mm
Weight Approx. 0.4 kg
Di
g
ital Input/Output Modules