5
2.2.2 Rear panel
Fig. 3
Power supply
Terminal number
Input
Description of operation
1
PWR
From 24 to 220V AC to DC universal power supply with +/- 10% variations allowed
2
Earth
Must be connected using cable at least 1.5 mm in section
3
PWR
From 24 to 220V AC to DC universal power supply with +/- 10% variations allowed
4
Terminal not connected
5
0
Input for 12V DC power supply
6
+12
Input for 12V DC power supply
Probe inputs (PT100)
Terminal number
Input
Description of operation
7 - 8
SD1PF
Probe 1 cold pole input
9
SD1PC
Probe 1 hot pole input
10 - 11
SD2PF
Probe 2 cold pole input
12
SD2PC
Probe 2 hot pole input
13 - 14
SD3PF
Probe 3 cold pole input
15
SD3PC
Probe 3 hot pole input
16 - 17
SD4PF
Probe 4 cold pole input
18
SD4PC
Probe 4 hot pole input
Auxiliary circuits
Terminal number
Input
Description of operation
19
ALL1 - C
Terminals of ALARM circuit
20
ALL1 - NC
21
ALL1 - NA
22
ALL2 - C
Terminals of RELEASE circuit
23
ALL2 - NC
24
ALL2 - NA
25
FAULT - C
Terminals of FAULT circuit
26
FAULT - NC
27
FAULT - NA
28
FAN - C
Terminals of VENTILATION circuit
29
FAN - NC
30
FAN - NA
RS-232 port
Auxiliary
circuits
Probe
connection
Supply
connection