Switch Setting / Jumper - Siemens SIMATIC PG 720 P Manual

PG 720 Expansions
5.3

Switch Setting / Jumper

Clock Setting
(Switch S1)
TTY Jumpers
(x30)
Jumper Setting
!
5-6
CPU-Cuore CPU Bus
Frequency Frequency
(CPU-Internal)
233 MHz 66 MHz *
200 MHz 66 MHz
166 MHz 66 MHz
150 MHz 60 MHz
133 MHZ 66 MHz
120 MHz 60 MHz
100 MHz 60 MHz
100 MHz 50 MHz
90 MHz 60 MHz
75 MHz 50 MHz
* Default setting
The PCI bus frequency is generated asynchronously and is fixed at 33 MHz.
The ISA bus frequency is derived from the PCI frequency and is always
8.25 MHz.
X30
2-3 4-5 Active TTY port (standard setting)
x off TTY send loop separate from power source (passive
setting)
off x TTY receive loop separate from power source (passive
setting)
3 2 1
Figure 5-4 Transformer for CPU with Jumpers
Caution
Only special processors are suitable for use in the PG 720. The CPU requires
a special supply voltage. The appropriate transformer must be used with the
correct jumper setting.
Before upgrading, you are strongly advised to contact the Customer Support
team.
S1/1 S1/2 S1/3
ON * OFF * OFF *
ON OFF OFF
ON OFF ON
OFF OFF ON
ON OFF ON
OFF OFF ON
OFF ON ON
ON OFF OFF
OFF OFF OFF
OFF ON OFF
Function
Jumper
Transformer Transformer
Type 1 Type 2
1–2 2.9V 2.1V
2–3 3.1V 2.2V
* Default setting
(depending on processor type
and transformer type)
PG 720 P Programming Device
C79000-G7076-C721-02
S1/4
OFF *
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF