Labconco Guardian 1000 Digital Airflow Monitor User Manual
Page 16
16
5.1 Typical Wiring Diagram with Optional Relay Interface Unit
Flying lead
Ribbon cable with IDC
plug connection for PCB
and Relay Interface Unit
Optional Relay Interface Unit in ABS enclosure mounted on top of Fume Hood to
allow up to external cable connections to be terminated.
Rated at 220V 5A
Relay
Interface
Unit
120V
PSU
120V / 15V DC
Plug – in power
adapter for 120V
socket
Flying lead with plug
connection for PCB
15 V DC
Flying lead with RJ11
plug connection for PCB
and SM6 airflow sensor
12V DC
Sash High
Proximity switch
( Optional )
SM6 or Inline
Airflow Sensor
OUTPUT
RELAY
R1
SENSOR
SOCKET
0-10V
OUTPUT
1
15V DC
POWER
SUPPLY
INPUT
REFER TO
INSTALLATION
INSTRUCTIONS
BEFORE
CONNECTING
MADE IN ENGLAND
www.tel-uk.com
TEL
INPUT 3
Blu
Blk
Brn
AFA 1000 USA
Sash High
Micro - switch
( Optional )
IDC
14-way
Connector
for remote
Interface Box
( Optional )
INPUT 2
INPUT 1
RS 232
Com
Port
0-10V
OUTPUT
1
0-10V
OUTPUT
2
INPUT 1
INPUT 2
INPUT 3
OUTPUT
RELAY
R1
OUTPUT
RELAY
R2
OUTPUT
RELAY
R3
s/w
+
-
s/w
+
-