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Mounting and installation
8.
Tighten the cable connector to guarantee its leak-tightness.
9.
Refit the front cover.
10.
Put the sensor into operation.
4.8
Terminal diagram
Terminal identifier:
RS 485
C
B
A
SPDT 1
(+)
SW*
(-)
SPDT 2
(+)
SW*
(-)
SPDT 3
(+)
SW*
(-)
SPDT 4
(+)
SW*
(-)
Temp
(+)
(-)
[SW] ITCH > switch
*= SW >
26
Input:
Mass
B
A
Connect
Remote control input
(+) and
Pause control
SW*
Connect
Level switch, pH cor‐
(+) and
rection (pH)
SW*
Connect
Level switch, disinfec‐
(+) and
tion (ORP)
SW*
Connect
Flow switch, sample
(+) and
water
SW*
Temperature sensor
Note:
Modbus RTU, RS 485
Active (NC), normally closed,
bridge, upon delivery
Active (NC), normally closed,
bridge, upon delivery or 2-stage
level sensor cable, brown + blue
Active (NC), normally closed,
bridge, upon delivery or 2-stage
level sensor cable, brown + blue
"Active (NC), normally closed,
DGMa, terminal 1+2, connected or
bridge, upon delivery"
4 ... 20mA ≙ -5 ... 45 °C.
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