INFICON Cube CDGsci - Manual (Page 12)

12 tina88e1-b (2014-09)
Supply
DANGER
The gauge may only be connected to power sup-
plies, instruments or control devices that conform
to the requirements of a protective extra-low
voltage (PELV). The connection to the gauge has
to be fused. Grounding concept
→  25.
Supply voltage
at the gauge
+14 … +30 V (dc) or
±15 V (±5%)
Ripple ≤1 V
pp
Power consumption
while being heated
at
operating temperature
≤20 W
≤17 W
The gauge is protected against reverse polarity of the supply
voltage and overload.
Electrical connection 15-pin D-Sub, male
Sensor cable 15-pin plus shielding
Cable length
Supply voltage 15 V
≤ 4 m (0.14 mm²/conductor)
≤ 7 m (0.25 mm²/conductor)
Supply voltage 24 V ≤20 m (0.14 mm²/conductor)
≤35 m (0.25 mm²/conductor)
Supply voltage 30 V ≤40 m (0.14 mm²/conductor)
≤70 m (0.25 mm²/conductor)
For longer cables, larger conductor cross-sections are required
(R
cable
≤1.0 Ω).
Ethernet connection 1×RJ45, 8-pin, socket
Cable shielded Ethernet cable,
CAT5e quality or higher
Cable length ≤15 m
Diagnostic port connection Jack connector, 3-pin
Cable length ≤2.5 m