Parr Instrument PDM - Manual (Page 7)

PDM Installation
w w w . p a r r i n s t . c o m 7
Factory Default Settings
Pressure Module
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
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 trans-
ducer** Upper-limit pressure
range
tP-L 0 Lower-limit temperature
range
CTRL ON/OFF Control mode (ON/
OFF, MANUAL, PID and
PIDPROG)
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
function that able to use
set point from software
Operation
Mode
Select
type/value Comment
C-Sl RTU Format type
C-no 3 Communication ad-
dress
bPS 9600 Communication baud
rate
Len 8 Data length setting
PrtY Even Parity bit setting
StoP 1 Stop bit setting
** 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
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 51.72
Press “SET” and release
Operation
Mode
Select
type/value Comment
HtS 0 Heating hysteresis set-
ting
tPoF 0 Temperature correction