SuperNova PD500 PID Process & Temperature Controllers
Instruction Manual
31
EEPROM Lock (E2P.L)
The programmed settings of the controller are stored
in two types of hardware memory, short-term use
RAM and long-term and secure EEPROM.
Very rarely, it is necessary for an application to write
new settings by serial communications so often to the
controller that it risks reaching the maximum number
or read/write operations of EEPROM hardware.
To prevent this, when the EEPROM Lock is ON, all
data written by serial communications will be stored in
RAM only and will not be stored in EEPROM. Only
the Parameter Lock (LOCK) and the EEPROM Lock
(E2P.L) will be stored in EEPROM.
As a result of turning on the EEPROM Lock, when a
power cycle occurs on the controller, all settings and
data received by serial communications will be lost.
System Data (SYS.D)
This parameter displays system data useful to the
factory for troubleshooting.
Option Data (OPT.D)
This parameter displays build option data useful to the
factory for troubleshooting.
Firmware Version (F.VER)
This parameter displays the firmware version installed
on the controller.
G.SET Parameter Details
Parameter
Setting Range
Unit
Default
Value
Parameter Display Condition
DI.MD
OFF, ON
-
OFF
Models with digital inputs only
PO.OM
STOP, RUN
-
STOP
P.INT
OFF, ON
-
OFF
Y/N
NO, YES
-
NO
Only for parameter initialization
LOCK
0, 1, 2
-
0
E2P.L
OFF, ON
-
OFF