7
Power Supply Input
Alarm 1
Alarm 2
Concentration
Alarms
L
N
E
MAINS
INPUT
RELA
Y
1
RELA
Y
2
CALIBRA
TION
OUT
OF
SER
VICE
O/P 1
–
+
N/O
C
N/C
TX-
TX+
RX-
RX+
0V
‘Out of Sample’ Indication
Alarm Relay
Not Used
Remote 'Calibration Mode'
Indication Alarm Relay
Remote 'Out of Service'
Indication Alarm Relay
Current O/Ps 1 and 2 – two
independent current outputs
for external recording or
control
Not Used
Optional Serial Interface –
see supplementary instruction
manual for details
SERIAL
N/O
C
N/C
RELA
Y
3
N/O
C
N/C
RELA
Y
4
RELA
Y
5
RELA
Y
6
N/O
C
N/C
N/O
C
N/C
N/O
C
N/C
N/O
C
N/C
N/O
C
N/C
CURRENT
CURRENT
O/P 2
O/P 3
O/P 4
–
+
–
+
–
+
–
+
–
+
O/P 5
O/P 6
+
+
-
-
+
+
+
+
+
+
-
-
-
-
-
-
Power Supply Input
Stream 1
Stream 2
Stream 3
Stream 4
Stream 5
Stream 6
Configurable as
concentration or
‘Out of Sample’
Alarm Relay
Remote 'Calibration Mode'
Indication Alarm Relay
Remote 'Out of Service'
Indication Alarm Relay
Stream 1
Stream 2
Stream 3
Stream 4
Stream 5
Stream 6
Stream Current
Outputs – one
current output
per stream
Optional Serial Interface –
see supplementary instruction
manual for details
L
N
E
MAINS
INPUT
RELA
Y
1
RELA
Y
2
CALIBRA
TION
OUT
OF
SER
VICE
O/P 1
–
+
N/O
C
N/C
TX-
TX+
RX-
RX+
0V
SERIAL
N/O
C
N/C
RELA
Y
3
N/O
C
N/C
RELA
Y
4
RELA
Y
5
RELA
Y
6
N/O
C
N/C
N/O
C
N/C
N/O
C
N/C
N/O
C
N/C
N/O
C
N/C
CURRENT
CURRENT
O/P 2
O/P 3
O/P 4
–
+
–
+
–
+
–
+
–
+
O/P 5
O/P 6
+
+
-
-
+
+
+
+
+
+
-
-
-
-
-
-
2
INSTALLATION…
Fig. 2.4 Electrical Connections – Single Stream
Fig. 2.5 Electrical Connections – Multi-Stream
