4
4-2
User manual IC220SDL953 - September 2011
GFK-2731
4.1.3
Setting the DIP switches
The module has a 2-pos. and a 10-pos. DIP switch.
The DIP switches are located on the left-hand side of the safety module.
Figure 4-1
DIP switches
2-pos. DIP switch:
The transmission speed and the mode are set via the 2-pos. DIP switch.
Left switch:
Transmission speed
Set the transmission speed:
– 500 kbaud or
– 2 Mbaud
The transmission speed has been preset to 2 Mbaud.
Right switch:
Mode
Select VersaSafe: mode
Set the DIP switches accordingly for your application
before
assembling the module in
a VersaPoint station. The switches cannot be accessed when the safety terminal is in-
stalled in the VersaPoint station.
A
Switch for setting the transmission speed and the mode
B
Switch for setting the operating mode and the address
500KBD
2MBD Mode1
Mode2
A
A
9 8 7 6 5 4 3 2
1 0
B
B
9 8 7 6 5 4 3 2
1 0
500KBD
2MBD Mode1
Mode2
79690009
off
on
off
on
Only use devices with a uniform transmission speed within a VersaPoint station (a local
bus). It is not possible to operate a mixture of devices with different transmission speeds.
Table 4-1
VersaSafe operating mode
Mode
Operating mode
1
VersaSafe 16 words
2
VersaSafe 24 words
As soon as more than three satellites are connected to one IC220SDL953, a data width
of 24 words is required. In this case, set Mode 2.
The Mode switch is not relevant in VersaSafe multiplexer mode.