Notes for the REX C100

Mike W1

Active Member
Have compiled my notes and hope they might be of use to others as the Chinese translations leave a bit to be desired. Any additional info along this line would be appreciated. Better add this in txt format as that Doc file displays strangely.

ENSURE YOUR REX C100 HAS SSR OUTPUT
IT'S EASIER THAN MODIFYING ONE!

REX C-100 Model FK02V-AN HAS SSR OUTPUT

PV = Process Value SV = Set Value
Buttons - SET, RS or Shift Digits Key ◄
▲ = Raise the value ▼ = Lower the value
__________________________________
INITIAL POWER ON SCREENS
InP shows in PV screen first
°C K shows in SV screen
then goes to 400 in PV screen
and 0 in SV screen
then room temp in PV
and the set value in SV screen
If the TC isn't hooked up it flashes FOUR
Zeros in the PV screen
_________________________________________
To Set Desired Temperature
Press SET button
Press ◄ Button to select digits
When done selecting Press SET
_______________________________
TO AUTOTUNE UNIT
Press & Hold SET button till AL1 shows
Press SET to sequence to ATU
Change 0 to 1
Press SET
AT lamp will flash until autotune is completed
______________________________________________


To enter 1st Parameters
Press and Hold SET
LCK = 0
FACT MINE
AL1
ATU 0 0
P 30 30
I 240 240
D 60 60
Ar 25 25 (Note 2)
T 20 20
SC 0 -001 for offsetting TC error
LCK 0 0

1. Inst. Sheet showed OH following T - not in my PID!
Also showed AL2 but not in my PID either.

2. {Ar was 13 top pot, 38 lower pot} Some
manuals show factory set of 25 & some 100. It needs
some value or will shut off the I function and apparently
will change with PID action of some sort.}
To exit 1st Parameters Hold down SET
______________________________

To enter 2nd set of Parameters
Set LCK to 1000
Hold SET & SHIFT KEY ◄ till COD=1000 appears
COD 0
SL1 0 K type TC
SL2 1 Celsius (no luck changing to F)
SL3 0
SL4 1
SL5 0
SL6 1 (inverse operation, heating)
SL7 0
SL8 0
SL9 0
SL10 1
SL11 0
_____________________________________________

To enter 3rd set of parameters
When COD = 1 use SET to select
SLH 0 Note 3
SLL 0
oH 2
AH1 2
dF 1
To Exit Parameters Hold SET and SHIFT KEY down
(no decimal place set on mine after SLL)

3. SLH value can be changed to let unit read a higher value.
Set mine at 450°C (842° F)

LOCK Settings (varies in different manuals)
0000 All can be modified
0001 Data can't be modified, except SV, AL1, AL2
0011 Data can't be modified, except SV
0111 Nothing can be modified

0100 No Data Locked
0101 Set data locked (All Parameters
changeable)
0110 SV changeable, set data locked

0100 Nothing Locked
0101 Set data locked
0110 All parameters locked except SV

0000 Any setting other than 0000 cannot
enter the initial set mode.
If set to initial set mode all outputs
are turned OFF
If controller exits from initial set mode,
confirm that that LCK setting is set to
0100
 

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