4838 Reactor Controller
20
HTM / ETLM Module
Press return key and release
Operation
Mode
Select
type/value
Comment
r-S
Run
Run/Stop
SP
0**
Decimal point position
AL1H
375***
Upper-limit alarm 1
LoC
OFF
Lock mode (lock all keys or
only up/down arrow able
to use)
Out1
- (read-only)
Heater Output %
** If using a type-J or type-K thermocouple, SP = 0
If using an RTD, SP = 1
*** If using an HTM, AL1H = 0
If using an ETLM, AL1H = 375
Press and hold down “SET” for 5-sec
Operation
Mode
Select
type/value
Comment
InPt
J**
Input type
tPUn
C
Temperature unit
tP-H
800**
Upper-limit temperature
range
tP-L
0
Lower-limit temperature
range
CTRL
ON/OFF
Control mode (ON/OFF,
MANUAL, PID and PID
PROG)
S-HC
Heat
Heat/Cool control
ALA1
6***
Alarm operates when PV
value is higher than AL1H
value
SALA
OFF
System alarm
CoSH
ON
Communication write
function that able to use
set point from software
C-Sl
RTU
Format type
C-no
4
Communication address
bPS
9600
Communication baud rate
LEn
8
Data length setting
PrtY
Even
Parity bit setting
StoP
1
Stop bit setting
** If using a type-J thermocouple, InPt = J, tP-H = 800
If using a type-K thermocouple, InPt = K, tP-H = 800
If using an RTD, InPt = Pt, tP-H = 600
*** If using an HTM, ALA1 = 2
If using an ETLM, ALA1 = 6
Press “SET” and release
Operation
Mode
Select
type/value
Comment
HtS
0
Heating hysteresis setting
tPoF
0
Inaccuracy adjustment
