JUMO AQUIS 500 CR, Operating Instructions Manual

Page: 22 / 100

5 Electrical connection
22
5.5 Terminal assignments
Connection Screw
terminals
Row
Supply voltage
Supply voltage (23):
110 — 240 V AC -15/+10%, 48 — 63 Hz
Supply voltage (25):
20 — 30 V AC/DC, 48 — 63 Hz
Supply voltage (30):
12 — 24 V DC +/-15% (permissible only for connection to
SELV/PELV circuits)
1 N (L-)
2 L1 (L+)
1
NC 3
Inputs
Conductivity cell (2-electrode system)
Terminals 1+2 and 3+4 are linked in the device;
2-wire cable routed to the head of the conductivity cell.
For concentric cells, terminal 1 is connected to the outer
electrode.
1
2
3
4
2
Conductivity cell (2-electrode system)
Wiring for the highest accuracy;
4-wire cable routed to the head of the conductivity cell.
For concentric cells, terminal 1 is connected to the outer
electrode.
1
2
3
4
Conductivity cell (4-electrode system)
1 - outer electrode 1
(I hi)
2 - inner electrode 1 (U hi)
3 - inner electrode 2 (U lo)
4 - outer electrode 2 (I lo)
1
2
3
4
NC 5
6
7
Resistance thermometer in 2-wire circuit
(Accessory: small plug-in link)
8
9
10
Resistance thermometer in 3-wire circuit 8
9
10
2
1
3
4
2
1
3
4
2
1
3
4
ϑ
9
8
10
ϑ
9
8
10