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Users Guide
10-6
in the following ways.
• The cooling (refrigeration) may be set to operate in the auto, on, or off modes. See
Cooling Mode in Chapter 9.
• The hot gas bypass or reduced cooling mode may also be set to on, off, or auto.
The “auto” modes allow the bath to operate automatically in the manner described above.
The cooling “on” function eliminates this auto feature and the refrigeration is on at all
times unless the front panel switch is turned off or until some other menu selection is
made. The hot gas bypass mode selection works the same way. The “auto” function is the
default and active until off or on is selected. “On” means it is always on with no
automatic selection and “off” is always off (or cooling always on maximum). It may
desirable for different reasons to eliminate the automatic functioning; therefore, these
selections are made available either through the front panel or through the digital
communications interface.
Table 10-1. Interface Command Summary
Command
Description
Command
Format
Command
Example
Returned
Returned
Example
Acceptable
Values
Display Temperature
Read current set-point s[etpoint] s set: 9999.99
{C or F}
set: 150.00
C
Set current set-point to n s[etpoint]=n
t[emperature]=n
s=150
t=150
Instrument
Range
–40 to 150°C
Read vernier v[ernier] v v: 9.99999 v: 0.00000
Set vernier to n v[ernier]=n v=.00018 Depends on
Configuration
Read scan function sc[an] sc scan: {ON or
OFF}
scan: ON
Set scan function: sc[an]=on/of[f]
Turn scan function on sc[an]=on sc=on
Turn scan function off sc[an]=of[f] sc=of
Read scan rate sr[ate] sr srat: 9.999 {C
or
F}/min
srat: 0.010
C/min
Set scan rate to n
degrees per
minute
sr[ate]=n sr=5 0.001 to
5.000°C/min
0.001 to
9.000°F/min
Read temperature t[emperature] t t: 9999.99 {C
or
F}
t: 55.69 C
Read temperature units u[nits] u u: x u: C
Set temperature units: u[nits]=c/f
Set temperature units to
Celsius
u[nits]=c u=c
Set temperature units to
Fahrenheit
u[nits]=f u=f
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