3. Installation
3.4 Preparing the device for operation
3.4.2 Power supply - electrical connection
signal Configuration
+
Supply voltage
+ 24 VDC SELV (safety extra low voltage)/PELV (protective extra low
voltage)
n.c.
not used
–
Supply voltage 0 V
Table 12: Configuration Plug connector MSTB 2.5/3-ST-5.08
Specifications for connection to 24 VDC supply voltage
Copper conductor
60° / 70°C
Cross section
min. 0.75 mm
2
/ max. 2.5 mm
2
(drain wire or conductor)
min. AWG18 / max. AWG12
tightening torque
0.6 ... 0.8 Nm (5 ... 7 lb-in)
for the screws on the Plug connector MSTB 2.5/3-ST-5.08
Strip length
7 mm
Table 13: Specifications for connection to 24 VDC supply voltage
Power supply
+24 V DC
0 V
U
e
= 24 V DC
(19.2 - 30 V DC SELV)
I
e
= ...
0 V
+24 V DC
0.6 - 0.8 Nm
(5 - 7 lb-in)
Figure 26: Connecting the screw terminals on the Plug connector MSTB 2.5/3-ST-5.08
Electrical connection
Figure 27: Power supplied through Plug connector MSTB 2.5/3-ST-5.08
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