Technical specifications
6.2 HSPA+ router SCALANCE M874-3
SMS (TX)
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)
68
M874-3
Properties
Text mode, SMSoverIP
Quantity
1
Design
Terminal block, 5 terminals
Properties
Input voltage:
•
•
Maximum power consumption 8 W
Maximum cable length < 3 m
Quantity
1
Design
Terminal block, 2 terminals
Properties
Rated voltage 24 VDC Safety Extra Low Voltage
(SELV)
For state "1": 10 to 30 VDC
For state "0": -30 to 3 VDC
Maximum input current 8 mA
Cables should be routed in pairs
Maximum cable length < 30 m
Inputs isolated from electronics.
Quantity
1
Design
Terminal block, 2 terminals
Properties
Rated voltage 24 VDC Safety Extra Low Voltage
(SELV)
Relay, internally not current limited
Maximum current carrying capacity 1 A
Cables should be routed in pairs
Maximum cable length < 30 m
Output isolated from electronics
During operation
-20 °C ... +60 °C (vertical installation)
Installed horizontally, the device can be used for
ambient temperatures up to 40 °C.
During storage
-40 ℃ to +70 ℃
During transporta-
-40 ℃ to +70 ℃
tion
During operation
≤ 95% at 25 °C, no condensation
Compact module S7-1500
IP20
290 g
34.8 x 150.9 x 134.7 mm
Operating Instructions, 08/2018, C79000-G8976-C331-08
12 to 24 VDC
min. 10.8 VDC, max. 28.8 VDC
SCALANCE M874, M876