4838 Factory Defaults; Navigating The Menu System / Factory Default Settings; Primary Temperature Module - Parr Instrument 4838 Operating Instructions Manual

4838 Reactor Controller

4838 Factory Defaults

Navigating the Menu System / Factory
Default Settings
There are three broad categories of functions in the
4838 Controller modules. They are Regulation, Op-
eration, and Initial Settings. From the main screen,
Regulation mode is accessed by pressing the set
button. The Initial Setting mode is accessed by
holding the set button for three seconds. Operation
mode is accessed by pressing the circular arrow.
In each mode, you can cycle through the variables
by pressing the circular arrow. To change a value,
use the up or down arrow, which causes the value
to fl ash. Then press the set button to solidify the
choice. Return to the main screen by pressing set
again.
Keys command:
1. Press "SET" to select
2. Press return key move to next operation mode
3. Up/Down arrow keys to adjust value or select
type

Primary Temperature Module

Press return key and release
Operation Select
Mode type/value
r-S Run
SP 0**
AL1H 375
LoC OFF
Out1 - (read-only)
** If using a type-J or type-K thermocouple, SP = 0
If using an RTD, SP = 1
18
Comment
Run/Stop
Decimal point position
Upper alarm setting
Lock mode (lock all keys
or only up/down arrow
able to use)
Heater output %
Press and hold down "SET" for 5-sec
Operation Select
Mode type/value
InPt J**
tPUn C
tP-H 800**
tP-L 0
CTRL PID
S-HC HEAT
ALA1 6
ALA2 0
ALA3 0
SALA OFF
CoSH ON
C-Sl RTU
C-no 1
bPS 9600
Len 8
PrtY Even
StoP 1
** 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
Press "SET" and release
Operation Select
Mode type/value
At OFF
PID0 0
SV 0
P0 11.8
I0 375
D0 93
IoF0 0
HtPd 5
CoEF 1
tPoF 0
Comment
Input type
Temperature unit
Upper-limit range
Lower-limit temperature
range
Control mode (ON/OFF ,
MANUAL, PID and PID
PROG)
Output 1 is Heating
Alarm operates when PV
value is higher than AL1H
setting or PV value is
lower than AL1L setting
Alarm 2 is disabled
Alarm 3 is disabled
System alarm
Communication write
function that able to use
set point from software
Format type
Communication address
Communication baud
rate
Data length setting
Parity bit setting
Stop bit setting
Comment
Auto Tuning ON/OFF
The 0th PID Parameter
The 0th SV
Proportional control
Integral control
Derivative control
Integral value offset
Heat cycle control
1 & 2 value output group
during dual loop output
control
Inaccuracy adjustment