TB3/TB4 for
and
1/2DIN
pH
Term. Function
1
Glass
2
–
3
Reference**
4
Solution GND/ green/yellow
Shield**
5
–
6
RTD ret/GND
7
RTD sense
8
RTD
9
+5V
TB3/TB4 for
ISM (digital) Sensors
Term. Function
1
24 VDC
2
GND (24 VDC) –
3
1-wire
4
GND (5 VDC) red (shield)
5
–
6
GND (5 VDC) –
7
RS485-B
8
RS485-A
9
5 VDC
versions
1/4DIN
Redox (ORP)
Color*
Function
tansparent
Platinum
–
–
red
Reference bare shield
–
and blue
–
–
white
–
–
–
green
–
–
–
pH, Oxygen, Cond 4-e
Color
–
transparent (cable core)
–
–
–
–
Note:
For sensors with Pt100 temperature
Color
probe, the Pt100 adapter is required.
transparent***
The Pt100 adapter is enclosed in the
–
package of each transmitter.
–
–
–
* Grey wire not used.
–
** For pH without solution ground, install
–
jumper 3 to 4.
–
*** Remove black coating.
Cond-2e
(Thornton models only)
Color*
–
–
–
–
–
white
black
red
blue
* Bare wire not connected.
7