Htm/etlm module, 4848b reactor controller – Parr Instrument 4848B User Manual
Page 24
4848B Reactor Controller
P a r r I n s t r u m e n t C o m p a n y
22
** Set according to the following:
Transducer
range - psi
tP-H for
psi
tP-H for
Bar
tP-H for
MPa
200
200
13.79
1.38
500
500
34.47
3.45
300
(compound)
300
20.68
2.07
1000
1000
68.95
6.89
2000
2000
137.9
13.79
3000
3000
206.8
20.68
5000
5000
344.7
34.47
7500
7500
517.1
51.71
Press “SET” and release
Operation
Mode
Select
type/value
Comment
HtS
0
Heating hysteresis setting
tPoF
*
PV Offset
* Set at factory
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 func-
tion that able to use set
point from software
C-Sl
RTU
Format type
C-no
*
Communication address
bPS
9600
Communication baud rate
LEn
8
Data length setting
PrtY
Even
Parity bit setting
StoP
1
Stop bit setting
* See note on address at end of Factory Defaults
** 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
*
PV Offset
* Set at factory