Bosch CPS21T Connectivity Manual page 32

Electrical connection
5–2
X10_1 24 VDC input
The 24 V power supply is provided in case of
D CPS21T version I directly via X10_1
D CPS21T version M via the X25 connector of the supply and distribution
circuit board of the keypad. From X26, the 24 V power supply is connec-
ted to the X10_1connector.
X10_1 is looped through for the fan powerto X10_2 (24 VDC output) .
Weidmüller push lock terminal, MSTB 1.5, 4 pin
Rated voltage:
Max. conductor cross
section:
1
2
3
4
X10_2 24 VDC output
The 24 VDC power supply X10_2 is required by the housing fan which is
integrated with the CPS21T. The fan is electrically connected in the works.
Weidmüller push lock terminal, MSTB 1.5, 3 pin
Rated voltage:
Fan connection ratings:
Max. conductor cross
section:
1
2
3
24 VDC
2
1,5 mm
X10_1
24 VDC
21.6 – 26.4 VDC; 1.1 W
2
1,5 mm
X10_2
Pin Assignment
1 24V
2 24V
3 0V
4 0V
Pin Assignment
1 24 V
2 0 V
3 −
1070 073 826-101 (01.10) GB