58
Markings, Certificates and Approvals
GB
Model 9010/9020 SIL
(8) The “CAUTION” - Output and the “HORN”- relay is not allowed to be used for safety function.
(9) The STEL- and TWA- storage functions are not allowed for SIL applications.
(10) The relays must be energized under normal conditions.
(11) The alarm and relay functions must be tested at least once per year.
(12) The relay contacts must be protected with a fuse rated 0.6 of the nominal specified relay
contact current.
(13) The failure relay contacts must be safety related processed for warning purposes.
(14) After installation a functional check / calibration has to be done for the complete system.
(15) The alarm conditions of the Gas Warning Unit 9010/9020 must be periodically checked
together with the typical gas calibration checks.
(16) A system check has to be done every year.
(17) For the 1oo2 – structure two independent devices must be used.
(18) In case of redundancy installation the relay contacts must to be monitored regarding devia-
tions.
(19) It is only allowed to use the approved Hardware and Software Versions.
10.4 Permitted Hardware/Software Versions
The actually used hardware version can be found on the printed circuit board. The firmware
version is printed or on the label on the back of backplane connector. Refer to Fig. 1 "19" rack
module" for precise localization.
Module Hardware Version Software Version
Control Unit 9010 SIL 6 1.02.1000
Control Unit 9020 SIL 6 1.02.1000
To Next Page
Loading...
