TS21I_ELE_O2 User Manual
Page
5
of
14
Don’ts
•
Don’t
use the unit in direct sunlight.
•
Don’t
expose the sensor to gas concentration higher than its prescribed range.
•
Don’t
immerse the unit in any liquid.
•
Don’t
attempt to clean the detector from inside.
•
Don’t
open the flame proof enclosure when gas is present.
•
Don’t
switch high voltage or power loads through the relay, use only as potential free contacts.
Connector Details of the unit
Connector CON1:
Pin No.
Description
1.
R1COM (Relay 1 common)
2.
R1NO (Relay 1 NO)
3.
R2COM (Relay 2 common)
4.
R2NO (Relay 2 NO)
5.
R3COM (Relay 3 common)
6.
R3NO (Relay 3 NO)
Connector CON2:
Pin No.
Description
1.
D+ (RS 485 data +)
2.
D- (RS485 data -)
3.
C+ (+ve current Output)
4.
C- (-ve current Output)
5.
A-O/P+ (+ve analog output voltage)
6.
A-O/P- (-ve analog output voltage)
7.
DI (Digital Input)
8.
VCC
9.
GROUND
Connecting wires
•
Take out the wires from supply, relay output and RS 485 port.
