Dräger VarioGard Gebruiksaanwijzing pagina 29
Beschikbare talen
Beschikbare talen
VarioGard Repeater Module
Extension module for the
VarioGard
gas
warning
system.
With four separate system
bus outputs for connecting up
to
100
slaves
to
VarioGard system.
Connection of an external
power
supply
to
meet
additional
power
requirements.
Connection of an external system emergency power supply.
For installation in control cabinets or for wall-mounting in the
housing with a corresponding installation kit.
Parallel operation of repeaters permitted; cascading prohibited.
3.1
Display on central unit
1
2 3
Dräger VarioGard
151
ppm
CO
Dräger VarioGard
VarioGard
the
4
5
I
ESC
1
Explanatory designation:
Dräger VarioGard
= Pertaining to the system
Transmitter
= Pertaining to a transmitter
Menu
= Accessing and selecting the function
Password
2
Information or entry:
Measured value
Unit (e. g. ppm)
(e. g. 151)
^^^^
= measuring range exceeded
Password entry
3
Slave address of the information displayed e. g. "5"
4
Info:
A
Actual value, actual measured value
M
Mean value
Ax
Alarm threshold x
A A1
Actual value alarm A1
M A2
Mean value alarm A2
y / n
Selection
The transmitters connected to the system bus continuously monitor
the gas concentration in the ambient air.
Communication between the transmitters connected and the
central unit is via the system bus cable.
The LED on the central unit lights up green when there is no alarm
and no fault present.
The contrast of the display can be adjusted in measuring mode with
the keys
and
.
CAUTION
!
The gas inlet to the transmitters must not be obstructed in
order to ensure accurate measurement.
Operation
Gas type (e. g. CO)
29
