Operation Without Backup Battery Enabled - Panasonic FP-M Hardware Manual

5-6. RAM and ROM Operations

2. Operation Without Backup Battery Enabled

• When the voltage of the backup battery is low or the backup battery is disconnected, system register 4 specifies the
operation of FP-M.
• This battery error disregarding function is available for NPST-GR Software Ver. 3 or later.
Procedure
• Using NPST-GR Software Ver. 3.1
1. In the ONLINE mode, press
2. Select the PLC CONFIGURATION option from the NPST menu.
3. Select the 1. SYSTEM REGISTER option from the [PLC CONFIGURATION] menu.
4. Press the key on the [SYSTEM REGISTER] screen.
F8
The ACT ON ERROR window will open.
5. Select system register 4. BATTERY ERROR INDICATION in the ACT ON ERROR window.
6. Select "YES" or "NO" for system register 4. BATTERY ERROR INDICATION.
YES: The conditions (voltage of backup battery low or backup battery disconnected) are regarded as errors.
NO: The conditions (voltage of backup battery low or backup battery disconnected) are not regarded as
errors.
7. Press to save the setting contents and press
F1
• Using FP Programmer II
1. Press the keys shown on the right.
2. To read the contents of system register 4,
press the keys shown on the right.
3. Press the "K, 0" or "K, 1" keys for system register 4 (operation without backup battery).
K0: The conditions (voltage of backup battery low or backup battery disconnected) are regarded as errors.
K1: The conditions (voltage of backup battery low or backup battery disconnected) are not regarded as
errors.
4. Press the "ACLR" key to end OP50 operation.
The FP Programmer II will return to its initial state.
104
to display the [NPST MENU] window.
Esc
to return to the previous window.
Esc
(–)
ACLR
OP
READ
4
5 0 ENT