Technical specifications
8.2 SCALANCE M874-3
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
Mounting position
Product functions
Configuration / management
80
M874-3
Quantity
1
Design
Terminal block, 2-pin
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
Vertical mounting position:
•
Horizontal mounting position:
•
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
•
•
•
•
•
•
•
See Permitted ambient conditions
•
•
Operating Instructions, 02/2023, C79000-G8976-C331-12
-20 °C ... +60 °C
-20 °C ... +50 °C
Wall mounting
Mounting on a DIN rail
Installation on S7-300 mounting rail
Installation on S7-1500 mounting rail
Mounting on a pedestal
Vertical (ventilation openings at the top and
bottom)
Horizontal (ventilation openings to the right
and left)
Web Based Management (WBM) via HTTP and
HTTPS.
Command Line Interface (CLI) via Telnet and
SSH
SCALANCE M874, M876