Customer Services (858) 578-7887 & (888) GO IN
TEC
IN
TEC
Controls, 12700 Stowe Dr., Suite 110, Poway, CA 92064
Fax (858) 578-4633 & (888) FX IN
TEC
www.inteccontrols.com
Specification subject to change without notice.
Printed in USA 150109
Polygard® is a registered trademark of MSR
AT-1195_V3_UserManual
PolyGard
®
O
2
Transmitter
User Manual - AT-1195 V3
Page 07
5.4 Option Relay Output
The two relays are activated in dependence of the gas concentration. If the gas concentration exceeds the adjusted
alarm threshold, the corresponding relay switches on. If the gas concentration falls below the threshold minus
hysteresis, the relay switches off again.
The contact function for relay 2, NC (normally closed) or NO (normally open), can be selected via the jumper
NO/NC. See fig 1 and 3. Relay 1 is equipped with a change-over contact.
Via the ModBus interface the two alarm thresholds and the hysteresis are freely adjustable at the PC within the
measuring range. The procedure can be read from the user manual “ModBus Software”.
The following parameters are factory-set.
Alarm threshold 1 = Relay 1: 19 (vol. %)
Alarm threshold 2 = Relay 2: 17 (vol. %)
Switching hysteresis: 1 (vol. %)
6 Inspection and Service
6.1 Inspections
Inspection, service and calibration of the transmitters should be done by trained technicians and executed at regular
intervals. We therefore recommend concluding a service contract with IN
TEC
Controls or one of their
authorized partners.
6.2 Calibration
(See section 5.1 and 5.2)
•
At commissioning and at periodic intervals determined by the person responsible for the gas detection
system (recommendation every
12
months).
•
After exchange of the sensor
•
If in case of operational or climatic influences the sensitivity of the sensor falls below 30 % in operation,
calibration will not be possible any more. In this case the sensor has to be changed.
6.3 Exchange of Sensor Element
Consider static electricity! See point 3.
Sensor should always be installed without power applied:
•
Unplug basic PCB AT1195 carefully from the bottom part.
•
Unplug old sensor element from the PCB.
•
Take the new sensor out of the original packing.
•
Plug the sensor element in the PCB at X7.
•
Replug the PCB AT1195 in the terminal blocks X4, X5 carefully.
•
Calibrate according to section 5.
Specifications subject to change without notice. | USA 150109 | Page 7 of 13
12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.IN
TEC
| relevantsolutions.com/inteccontrols
AT-1195_V3 – UserManual
Polygard® is a registered trademark of MSR | AT-1195_V3_UserManual
Specifications subject to change without notice. | USA 160104 | Page 7 of 13
12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.IN
TEC
| relevantsolutions.com/inteccontrols
AT-1195 V3 – UserManual
PolyGard
®
is a registered trademark of MSR-Electronic GmbH | AT-1195_V3_UserManual
INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com
Specifications subject to change without notice. | USA 200211 | Page 7 of 13
AT-1195 V3 – UserManual
