
Installation
20
Waltron User Manual
9065 Luminescent Dissolved Oxygen Analyzer
3.6.3
RS-232 COMMUNICATION CABLE
Table 3.4: Connector 2: RS-232 communication.
Pin No.
Type
Wire color
1
Txd RS232
White
2
Rxd RS232
Brown
3
Shielding
Green
4
D+ RS485
Yellow
5
D- RS485
Grey
3.6.4
SENSOR CABLE
Table 3.5: Connector 3 and 4 (Sensor 1 and 2): Sensor communication.
Pin No.
Type
Wire color
1
Ground
White
2
+ 12V DC
Brown
3
Common
Green
4
Com1-RXd
Yellow
5
Com1-Txd
Grey
6
NTC An-inp
Pink
7
NTC common
Blue
8
Shielding
-
3.6.5
I/O CABLE
Table 3.6: Connector 5: I/O Cable.
Pin No.
I/O
Type
Comment
Wire color
1
Ground
Ground
White
2
+ 24V DC
Supply
Brown
3
24V control-A1
Out-24V (alarm)
General alarm
Green
4
24V control-A2
Out-24V (alarm)
O
2
alarm
Yellow
5
24V control-A3
Out-24V (alarm)
Alarm O
2
extra sensor 1
Grey
6
24V-control-A4
Out-24V (alarm)
Alarm O
2
extra sensor 2
Pink
7
20 mA-output 1
Out-20mA
Logging sensor 1
Blue
8
20 mA-output 2
Out-20mA
Logging sensor 2
Red
9
24V input 1
Input 24V
Sensor 1 on/off
Black
10
24V input 2
Input 24V
Sensor 2 on/off
Purple
11
Not connected
Grey/pink
12
Shielding
ground
-