Siemens SIMATIC PG 720 PII Manual page 17

Table 3-1
The LEDs and
What They Mean
Akku
Power
MPI/DP
Table 3-2
The Mode LEDs
Power
of the PG 720
blk
blk
blk
grn
grn
grn
grn
grn
rd
or
blk
Note
Recharging stops when the battery is fully charged or if, for example,
the temperature overshoots the maximum permissible limit for
recharging. You can check the battery charge level in Windows 98.
PG 720 PII Programming Device
C79000-G7076-C756-02
The LEDs and What They Mean
Label LED
grn Device is in mains supply mode; external power
unit is supplying power
or Device is in mains supply mode; battery is re-
charging
rd Device is in battery mode; battery charge level
low
blk Device is in battery mode; battery has shut down
or no battery installed
grn Device is on, battery mode is selected and bat-
tery is not down
grn
flashing Device status is "save to DRAM"
blk Device is off or battery has shut down in battery
mode (battery down)
grn Accessing external storage medium (hard disk,
CD-ROM, floppy disk)
grn Submodule programming is in progress
grn MPI port is active
The Mode LEDs
Akku
grn a.c. mains supply, battery charged or not installed
or a.c. mains supply, battery is recharging
blk Device is off or battery is down in battery mode
blk Device is on, battery mode
grn Device is on, a.c. mains supply
or Device is on, a.c. mains supply and battery is recharging
rd Device is on, battery charge level is low and battery mode
is selected
= green
= red
= orange
= black, dark
Getting to Know the PG 720
Meaning
3-3