INFICON BPG402-Sx ATM to Ultra-High Vacuum Gauge - Manual (Page 10)

10
tina46e1-a (2010-03) BPG402.om
Fieldbus name Profibus
Standard applied → [7]
Communication protocol, data format → [2], [7]
Interface, physical RS485
Data rate ≤12 MBaud (→ [2])
Node address
Local
(Adjustable via hexadecimal
"ADDRESS", "MSD", "LSD"
switches)
Default setting
Via Profibus
("ADDRESS" switches set to >7D
hex
(>125
dec
))
00 … 7D
hex
(0 … 125
dec
)
5C
hex
00 … 7D
hex
(0 … 125
dec
)
Profibus connection D-Sub, 9 pins, female
Cable shielded, special Profibus cable
(
→ 22 and [5])
Cable length, system wiring according to Profibus specifications
(
→ [7], [5])
Display panel
Dimensions
Pressure units
Selecting the pressure unit
LCD matrix, 32×16 pixels,
with background illumination
17.0 mm × 12 mm
mbar (default), Torr, Pa
via RS232C (
→ 30)
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). The connection to the gauge has to be fused
(INFICON-controllers fulfill these requirements).
Supply voltage at the gauge +24 VDC (+20 … +28 VDC) 1)
ripple max. 2 V
pp
Power consumption
Standard
Degas
Emission start (<200 ms)
≤0.5 A
≤0.8 A
≤1.4 A
Fuse necessary 1.25 AT
((INFICON controllers fulfill these
requirements)
Power consumption
BPG402-S, -SL
BPG402-SD
BPG402-SP
≤18 W
≤18 W
≤20 W
The BPG402-SD requires an additional, separate power supply for the
DeviceNet interface (
→ 21).
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.
Profibus interface
(BPG402-SP)
Display (BPG402-S only)
Power supply