GE CTR 80 Freezer User Manual


 
50
10 Digital Communication Interface
Command Description
Command
Format
Command
Example Returned
Returned
Example
Acceptable
Values
Display Temperature
Read current set-point s[etpoint] s set: 999.99 {C or F} set: 90.00 C
Set current set-point to n s[etpoint]=n s=80.00 Instrument
Range
Read temperature t[emperature] t t: 999.99 {C or F} t: 55.6 C
Read temperature units u[nits] u u: x u: C
CorF
Set temperature units to Celsius u[nits]=c u=c
Set temperature units to
Fahrenheit
u[nits]=f u=f
Read scan mode sc[an] sc scan: {ON or OFF} scan:ON
Set scan mode sc[an]=on/off sc=on ON or OFF
Read scan rate sr[ate] sr srat: 99.9 {C or F}/min srat:12.4C/min
Set scan rate sr[ate]=n sr=1.1 .1 to 99.9
Secondary Menu
Read proportional band setting pr[opband] pr pb: 999.9 pb: 15.9
Set proportional band to n
pr[opband]=n pr=8.83 Depends on
Configuration
Read cut-out setting cu[tout] cu cu:9999 {C or F} cu:105 C, in
Set cut-out setting to n degrees cu[tout]=n
cu-95 25 to 115°C
Read heater power
(duty cycle)
po[wer] po po: 999.9 po: 1.0
Configuration Menu
Read high limit hl hl hl:999 hl:126
Set high limit hl=n hl=90 25 to 100
Read low limit ll ll ll:999 ll:-90
Set low limit ll=n ll=-90 –90 to 25
Read cooling setting co[ol] co cool: {ON or OFF} cool: ON
Set cooling setting co[ol]=on/of[f] co=on ON or OFF
Read serial sample setting sa[mple] sa sa: 9 sa: 1
Set serial sampling setting to n
seconds
sa[mple]=n sa=0 0 to 999
FULL or HALF
Set serial duplex mode to full du[plex]=f[ull] du=f
Set serial duplex mode to half du[plex]=h[alf] du=h
Table 3 Controller Communications Commands