INFICON HPG400 ATM to High-Vacuum Gauge User Manual
Page 9
tina31e1 (2004-05) HPG400 v1.om
9
For gauges with part numbers
353-521
353-523
Display panel
Dimensions
Parameters
Pressure units
LCD matrix, 32×16 pixels,
with background illumination
green = normal operation
red = error/warning
→ 27)
16.0 mm × 11.2 mm
Pressure, pressure unit, status,
error messages
mbar (factory setting), Torr, Pa
(selecting the pressure unit
→ 28)
DANGER
The gauge must only be connected to power supplies, instruments or
control devices that conform to the requirements of a grounded extra-
low voltage (SELV-E according to EN 61010). The connection to the
gauge has to be fused (INFICON controllers fulfill these requirements).
Operating voltage at the gauge
+24 VDC (20 … 28 VDC)
1)
ripple max. 2 V
pp
Power consumption
Standard
Emission start (<200 ms)
≤0.5 A
≤1.4 A
Power consumption
HPG400, HPG400-SD
HPG400-SP
≤16 W
≤18 W
Fuse necessary
1.25 AT
HPG400-SD requires an additional, separate power supply for the
DeviceNet interface (
→ 19).
Supply voltage at the DeviceNet
connector (Pin 2 and Pin 3)
+24 VDC (+11 … 25 VDC)
Power consumption
<2 W
The gauge is protected against reversed polarity of the supply voltage.
1)
Measured at sensor cable connector (consider the voltage drop as function of
the sensor cable length).
Display (
HPG400)
Power supply