Siemens SCALANCE M874-2 Operating Instructions Manual page 50

Technical specifications
5.1 SCALANCE M874-2
Electrical data
Power supply
Digital input
Digital output
Permitted ambient conditions
Ambient temperature
Relative humidity
Design, dimensions and weight
Module format
Degree of protection
Weight
Dimensions (W x H x D)
Installation options
Installation direction
50
Input voltage
Power consumption
Quantity
Design
Characteristics:
Quantity
Design
Properties
During operation
During storage
During transportation
During operation
Operating Instructions, 07/2014, C79000-G89760-C331-03
M874-2
12 ... 24 VDC
min. 10.8 VDC, max. 28.8 V
max. 8 W
1
Terminal block, 2 terminals
Rated voltage 24 VDC Safe Extra Low
Voltage (SELV)
For state "1": 13 to 30 VDC
For state "0": -30 to 3 VDC
Maximum input current 8 mA
Maximum cable length 30 m
Inputs isolated from electronics.
1
Terminal block, 2 terminals
Rated voltage 24 VDC Safe Extra Low
Voltage (SELV)
Relay, internally not current limited
Maximum current carrying capacity 1 A
Maximum cable length 30 m
Output isolated from electronics
-20 ℃ to +60 ℃
-40 ℃ to +70 ℃
-40 ℃ to +70 ℃
≤ 95% at 25 °C, no condensation
Compact module S7-1500
IP20
290 g
34.8 x 150.9 x 134.7 mm
Wall mounting
•
Mounting on a DIN rail
•
Mounting on an S7-300 standard rail
•
Mounting on an S7-1500 standard rail
•
Vertical (ventilation openings at the top and
bottom)
SCALANCE M874, M876