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ENGLISH
87
DIAGRAM OF ELECTRICAL CONNECTIONS TO PERIPHERALS
To connect the accessories and peripherals to the pump remove the front cover "1", using a flat-tip screwdriver on the
two plastic screws, to access the terminal board (see Figure 9).
The "3" terminal board features spring terminals (there are no screws) for quick connection of the cables: press with a
small screwdriver at the "carved" square pin and insert the conductor previously stripped in the corresponding terminal.
Fig. 9 – Terminal Board
The connector for the pH, RX, or Cl probe is placed in the lower part of the metering pump.
N° Terminal
Description
N°
Terminal
Description
1
mA (-) Input
12
Not Connected
2
mA (+) Input
13
Not Connected
3
Meter Input (-)
14
PT100 (-) Input
4
Meter Input (+)
15
PT100 Input (+)
5
Level Input (-)
16
Not Connected
6
Level Input (+)
17
Probe (Cl) PPM (-VCL)
7
Flow Switch Input (-)
18
Probe (Cl) PPM (+VCL)
8
Flow Switch Input (+)
19
Alarm Relay (NO)
9
Output mA (-)
20
Alarm Relay (NC)
10
Output mA (+)
21
Alarm Relay (COM)
11
Not Connected