Hach-lange ORBISPHERE Model 51x User Manual Manuel d'utilisateur Page 41

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39
Installation
Note: When changing the type of sensor (e.g. from a 31xxx EC sensor to a 31xxxS smart EC sensor)
please contact your local Hach Lange representative.
3.9 Measurement alarm relays
Analog inputs (when ext. press. sensor is
directly connected)
12. EC sensor: Not used
TC sensor: GND
13. Green: Input ext. press. sensor P+
14. White: Input ext. press. sensor P-
15. Red: Output ext. press. sensor +
16. Black: Ground (GND)
Analog inputs (when ext. press. sensor
extension, Part N° 32548.xx, is used)
12. EC sensor: Not used
TC sensor: GND
13. Green: Input ext. press. sensor P+
14. Yellow: Input ext. press. sensor P-
15. White: Output ext. press. sensor +
16. Brown: Ground (GND)
Note: On multi channel systems, the external pressure sensor must be wired to the channel 1
measurement board, but the signal is used to compensate all channels.
Connector J8 (sensor)
Note: Remember, this connector is colored orange for EC sensors and black for TC sensors.
A1100 EC sensor 31xxx EC sensor
31xxxS smart EC
sensor
TC sensor
Cable
sensor
wall/panel
mount
LEMO 10
sensor
portable
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
Guard electrode
RS485A+
Thermistor A
Anode electrode
RS485B-
Thermistor B
GND
+ 5V
Cathode electrode
Not used
Guard electrode
Not used
Thermistor A
Anode electrode
Not used
Thermistor B
Not used
Not used
Cathode electrode
Not used
Guard electrode
I2C-SCL
Thermistor A
Anode electrode
I2C-SDA
Thermistor B
GND
+ 5V
Cathode electrode
Not used
GND for power
V2 signal
Solenoid
Relay coil
+12V power
+24V power
V3 signal
GND for signal
-5V power
Temperature
Yellow
Pink
Grey
Red
Purple
White
Black
Green
Blue
Brown
Brown
Red
Orange
Yellow
Green
Blue
Purple
Grey
White
Black
Figure 21 Output relays
The three output relays are located on the measurement
board (see also Figure 17 and Figure 18 on page 38).
They can be individually configured to Normally Open (NO) or
to Normally Closed (NC) by physically moving the jumper on
each relay. The picture example on the left (EC measurement
board):
Upper relay is set to NC
Middle relay is set to NO
Lower relay is shown with no jumper, to show the 3 pins.
Note: For all measurement boards, J4 is relay 1, J5 is relay 2 and J6
is relay 3
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