Description
5-5
5.1.7 Safety switch-OFF times
The safety switch-OFF times of the operating process can
be set by means of DIP switches S2 to S5 (cf. chapter 6).
The following allocation applies:
S2 - RF channel on time 2
S3 - RF channel on time 1
S4 - RM channel on time 2
S5 - RM channel on time 1
The switch-OFF times can be set to between 1 and 6
seconds. The flame amplifier has been pre-set to 1 sec-
ond in the works of the manufacturer.
The operating company shall have to ensure that the
switch-OFF times allocated to the various fuels are not
exceeded !
By means of an external 24 VDC signal, two independ-
ently set switch-OFF time can be switched over. If this
switch-over is used, make sure that the shorter switch-
OFF time is allocated to channel 1 (Time 1), thus ensuring
that the shorter time is used in case of a loss of the 24
VDC switch-over signal.
The switch-over of the range selection is carried out by
applying a direct voltage of the pin connector a16 (+24
VDC / 40 mA). The auxiliary voltage can be tapped at pin
connector c4. The range switchover is locked internally
and range 1 or 2 switched on is indicated by the respec-
tive green LED lighting up on the front panel.
A change of the switch-OFF times may only be carried out
with the acceptance of an approval expert !
Please observe that the switch-OFF time of the RM moni-
tor channel has to be set separately from the RF evalua-
tion channel.
To Next Page
Loading...