TB2 and TB4 – Terminal Assignment for Oxygen, Conductivity, pH and Ozone Sensors
TB2
(ISM Ch1,2)
Term. Function
1
DI2+
2
DI2–
3
1-Wire_Ch1
4
GnD5v_Ch1
5
RS485B_Ch1
6
RS485a_Ch1
7
GnD5v_Ch1
8
5v_Ch1
9
24v_Ch2
10
GnD24v_Ch2
11
1-Wire_Ch2
12
GnD5v_Ch2
13
RS485B_Ch2
14
RS485a_Ch2
15
GnD5v_Ch2
16
5v_Ch2
TB3 – Terminal Assignment for Flow Sensors
TB3
Term. Transmitter
9
ain_Ch5
10
aJ_Ch5
11
5v_Ch5
12
GnD5v_Ch5
13
ain_Ch6
14
aJ_Ch6
15
5v_Ch6
16
GnD5v_Ch6
TB4
Optical Oxygen*, CO2 hi*
(ISM Ch3,4)
Function
VP8 cables:
wire color
DI6+
–
DI6–
–
1-Wire_Ch3
–
GnD5v_Ch3
–
RS485B_Ch3
–
RS485a_Ch3
–
GnD5v_Ch3
–
5v_Ch3
–
24v_Ch4
grey
GnD24v_Ch4
blue
1-Wire_Ch4
–
GnD5v_Ch4
green/yellow grey
RS485B_Ch4
brown
RS485a_Ch4
pink
GnD5v_Ch4
–
5v_Ch4
–
Flow hi, Flow lo Flow Type2
Function
Flow Pulse Input
+10 vDC
+5 vDC
Ground
Flow Pulse Input
+10 vDC
+5 vDC
Ground
UniCond 2e**
Other cables:
Cables:
wire color
wire color
–
–
–
–
–
–
–
–
–
black
–
red
–
white
–
blue
brown
–
black
–
–
–
–
blue
black
white
red
yellow
white
–
blue
pH, amp. Oxygen, CO2,
Cond 4e and O3
Cables:
wire color
–
–
transparent
(cable core)
red
–
–
–
–
–
transparent
(cable core)
red
–
–
–
–
* always one O2 opti-
cal or CO2 hi sensor
can be connected to
plug TB2 and TB4.
** Transparent wire not
connected.
7