
XGS-600 Gauge Controller
DRAFT 4/15/14
57
Convection Gauge Board
The Convection card operates two Thermocouple/Convection gauges and allows you to
calibrate:
❑
To the actual atmospheric pressure value,
❑
To vacuum pressure,
❑
and select calibration for air or argon.
Calibration is Agilent's
Smart Cal
that determines whether a CAL command is for vacuum or
atmosphere. Remote control of calibration and analog output is standard. Each channel has
its own 9-pin Dsub connector.
E
Table A-3 Convection Board Specifications
Item
Description
Supported Gauge Heads
Agilent Model, 536, 531, and ConvecTorr
Displayed Measurement Range
1.0E-4 Torr to 1000 Torr
Gas Types
Air, Argon or Helium (see “Helium Measurement
Capability” on page 36)
Atmosphere Value Range
500 to 1000 Torr
Analog Output
❑
Range: 0-10 VDC
❑
Slope: 1 V per decade log
❑
Characteristic: output voltage = Log (Pressure) + 4
❑
Output when gauge OFF or Error = 10 V
❑
Load Impedance: >10 kOhms
❑
Response Time:
❑
SLOW - 250 msec
❑
FAST - 10 msec
Error Detection
Open cable/sensor
Gauge Connector
Dsub9 (female)
Remote I/O Connector
6 pin Firewire type
Grounding the input pin activates that function
The Status Output goes hi during an error.
Note: the analog outputs for CNV1 and CNV2 are also
available at pin 7 of their respective Dsub connectors.
Allowable Cable Length
❑
Air/Argon - up to 300 ' using Agilent TC or Convectorr
cable
❑
Helium - up to 150' using Agilent TC or Convectorr
cable
Содержание XGS-600
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