Siemens SCALANCE M874-2 Operating Instructions Manual page 53

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
SCALANCE M874, M876
Operating Instructions, 07/2014, C79000-G89760-C331-03
Input voltage
Maximum power
consumption
Quantity
Design
Characteristics:
Quantity
Design
Properties
During operation
During storage
During transportation
During operation
Technical specifications
5.2 SCALANCE M874-3
M874-3
12 ... 24 VDC
min. 10.8 VDC, max. 28.8 V
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)
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