User Manual
4848B Reactor Controller
www.parrinst.com
21
TDM / MCM Module
Press return key and release 
Operation 
Mode
Select 
type/value
Comment
r-S Run Run/Stop 
SP 0 Decimal point position
LoC OFF Lock mode (lock all keys or 
only up/down arrow able to 
use)
Out1 - (read-only) Motor output %
Press and hold down “SET” for 5-sec 
Operation 
Mode
Select 
type/value
Comment
InPt v5  Input type (v5 = 0-5V, v10 = 
0-10V, nA0 = 0-20mA, nA4 = 
4-20mA, nV =0-50mV)
tP-H 2206 Upper-limit range
tP-L 0 Lower-limit temperature range
CTRL PID Control mode (ON/OFF, MAN-
UAL, PID and PID PROG)
S-HC Heat Heat/Cool control
ALA1 0 Alarm 1 is disabled
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
Press “SET” and release 
Operation 
Mode
Select 
type/value
Comment
At OFF Auto Tuning  ON/OFF
PID0 0 The 0th PID Parameter 
SV 0 The 0th SV 
P0 170 Proportional control
C0 1 Integral control
D0 0 Derivative control
CoF0 0 Integral value
HtPd .5 Heat/Cool cycle control
tPoF * PV Offset
CrHI 0 Analog output high
CrLo 0 Analog output low
* Set at factory
Pressure Module
Press return key and release
Operation 
Mode
Select 
type/value
Comment
r-S Run Run/Stop 
SP To be deter-
mined**
Decimal point position 
AL1H 0 Upper-limit alarm 1
LoC OFF Lock mode (lock all keys or 
only up/down arrow able to 
use)
** If units are psi, SP = 0 
  If units are Bar, SP = 1 
  If units are MPa, SP = 2 
Press and hold down “SET” for 5-sec
Operation 
Mode
Select 
type/value
Comment
InPt V5  Input type (V5 = 0-5V, V10 = 
0-10V, nA0 = 0-20mA, nA4 = 
4-20mA, nV =0-50mV)
tP-H Determined 
by transduc-
er**
Upper-limit pressure range
tP-L 0
[-14.7 if com-
pound psi]
[-1.0 if com-
pound bar]
[-0.1 if com-
pound mPa]
Lower-limit pressure range
CTRL ON/OFF Control mode (ON/OFF, 
MANUAL, PID and PID-
PROG)
S-HC Heat Heat/Cool control
ALA1 2 Alarm operates when PV 
value is higher than SV 
Value + ALH setting 
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










