beautypg.com

Htm/etlm module, 4848b reactor controller – Parr Instrument 4848B User Manual

Page 24

background image

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