Additional data for version C:
Operating Instructions BA 046C
Chemoclean plus CYR 10 / CYR 20
CPC 20 Z (continued)
Power supply . . . . . . . . . . . . . . . . . . . . . . EEx(i) power supply through CPM 152
Intrinsically safe power supply . . . . . . . . . . . . . . . . . . . . . .
20 V
≤
U
≤
28 V DC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 mA
≤
I
≤
66
µ
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 mW
≤
P
≤
654 mW
Hazardous area protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EEx ib IIC T4
Ex conformity certificate
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . BVS 97.D.2069
Safety values according to EN 50020
Designation
Terminals
U max.
I max.
P max.
Pressure monitoring
X 1/1 and 2
28 V
66 mA
654 mW
Feedback, maintenance
X 1/3 and 4
14 V
4 mA
12 mW
Feedback, measurement
X 1/5 and 6
14 V
7 mA
24.5 mW
Interface 1
X 1/7 and 8
28 V
66 mA
654 mW
Interface 2
X 1/9 and 10
28 V
66 mA
654 mW
Interface 3
X 1/11 and 12
28 V
66 mA
654 mW
Power supply circuit
X 3/25 and 26
28 V
66 mA
654 mW
Valve, measurement
X 2/13 and 14
28 V
66 mA
654 mW
Valve, cleaner
X 2/17 and 18
28 V
66 mA
654 mW
Valve, water
X 2/19 and 20
28 V
66 mA
654 mW
Valve, maintenance
X 2/21 and 22
28 V
66 mA
654 mW
8 Appendix
autoclean CPC 20 / CPC 20 Z
28
Hauser