INFICON PSG55x ATM to Medium Vacuum Gauge - Manual (Page 12)

12 tina60e1-a (2011-04)
Supply
DANGER
The gauge may only be connected to power sup-
plies, instruments, or control devices that conform
to the requirements of a grounded protective extra-
low voltage (SELV) and limited power source
(LPS), Class 2. The connection to the gauge has to
be fused.
2)
Supply voltage
at the gauge
Class 2 / LPS
+15 … +30 VDC
Ripple ≤1 V
pp
Power consumption
without fieldbus
DeviceNet
Profibus
≤2.5 W
≤3 W
≤3 W
Fuse to be connected 2) 1 AT
Electrical connection
3PIx-0xx-x0xx
FCC 68
3PIx-0xx-x1xx D-Sub 9-pin, male
3PIx-0xx-x2xx D-Sub 15-pin HD, male
3PIx-0xx-x4xx D-Sub 15-pin HD, RS485
INF, male
Sensor cable shielded
0.14 mm
2
/conductor
Cable length
RS232C operation
≤100 m
≤30 m
Grounding concept → "Power Connection"
Vacuum connection to
signal common
connected via 10 k
Ω, 10 nF
2)
INFICON controllers fulfill this requirement.