Chapter Seven: Operation in Setup Mode
General Information
185
Summary of Setup Mode Codes (Continued)
Function
Left Display
Center Display
Right Display
Main Display
15x Set up
Analog Set
Point
Code number
and recipe
number
Voltage to span
analog input
On/Off analog set
point
Full scale input
voltage
16x Adjust HC
High Pressure
Shutoff
Code number
and channel
number
-
Internal fast rate-of-
rise shutoff value
High pressure
shutoff value
17x Adjust
MFC Set Point,
Mode, and Co-
channel
Code number
and channel
number
Co-channel, for
Totaling only
Set Point, Totaling,
or Ratio parameter
selection
Set Point
18x Select the
Type of
Convection
Gauge
Code number
and channel
number
-
-
Convection gauge
type; Cn for
Convectron,
CP for CEP
Table 46: Summary of Setup Mode Codes
Setup Mode is Used when Performing the Following Procedures
Setup Mode Procedures
Action
Description
Setting Alarm Trip
Points
The trip point is the pressure at which an alarm is tripped. Alarms A and B
are standard. Alarms C and D are only available with the Auxiliary Output
board.
Sensor Calibration
Sensor calibration is used to customize parameters for different sensor types.
For capacitance manometers it allows the sensor range and resolution to be
entered (except for Type 107 transducers). For Pirani or convection gauges,
it selects the gas type, and is used to determine if the zero and span values
are Factory or User defined. For cold cathode gauges, the Gas Correction
Factor and disconnect threshold are entered. For hot cathode gauges,
sensitivity and the disconnect threshold for sensor reading are entered. For
MFCs, the range is entered.
Setting up Dual
Channel Display
The 146 unit is set up to display over a range that is spanned by two
different sensors.
Setting an Analog
Endpoint
This function programs each of the three analog outputs as either linearly
scaled (Ln), logarithmically scaled (lo1 - lo9), or as a fixed voltage (SP).
Table 47: Setup Mode Procedures
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