8205
E-13-
pH CONTROLLER 8205
Note: PLC-connection. Depending on the PLC-version, the switch
on the circuit board
must be put to position A or B (see fig. 3.4 and fig. 3.5).
Fig. 3.5 Connection of 4-20 mA output to a PLC
(Terminal type 8205 wall-mounted version)
Fig. 3.4 Pin assignment of 8205 compact
Pulse Output
relay (standard)
or triac
or transistor
Position A
0V
V+
4...20 mA
L-
8205
L+
8205
V+
L+
4...20 mA
0V
L-
Position B
9
8
10
9
8
10
SPS
SPS
3 INSTALLATION
3.2.2 Connection pH controller
type 8205 compact
The electrical wiring ensues via 2 cable
glands.
Remove the cover, pull the cable through
the cable gland and wire according to pin
assignment (Fig. 3.3).
(+ and - according to transistor signal output)
1: Current output 4...20 mA
2: L+ (12...30 VDC)
3: L- (GND)
4: Earth (earth lug)
5: Output 1
Base
6: Output 1
Base
7: Output 2
Acid
8: Output 2
Acid
9: Relay Alarm
10: Relay Alarm
