Technical Explanation
SKiiP
®
4 F-Option Board
© by SEMIKRON
2017-08-30 - Rev02
16 / 21
Please note: D-Sub connector signals are available only for SKiiP
®
4 F-Option Board Variants 1 and 2.
Please note: maximal number of devices for paralleling of HALT signal is 6 items.
11 D-Sub Connector signals
11.1
HALT Signal
Figure 11.1 depicts:
on the left hand side the Input/Output stage of the CMN_HALT signal
on the right hand side an example of the input stage on the user controller board for each CMN_HALT
output of several SKiiP
®
4 with F-Option Boards.
Figure 11.1: Application example of the HALT signal
1k
20k
Driver Board including F-Option Board 1
to µC
from
µC
V
S
V
cc µC
Transmitter
Receiver
10k
12.1k
20k
51k
24.3k
1k
User Controller Board
to µC
from
µC
V
cc µC
Transmitter
Receiver
PWR_V
S
V
S
to stopp all devices
to send HALT signal
to receive HALT
signal
to receive HALT
signal
External
Power Supply
CMN_HALT
CMN_GND
30V
10n
1k
909
Ω
(Pin 5)
1k
to µC
from
µC
V
S
V
cc µC
Transmitter
Receiver
10k
12.1k
20k
51k
24.3k
1k
to µC
from
µC
V
cc µC
Transmitter
Receiver
PWR_V
S
V
S
to stopp all devices
to send HALT signal
to receive HALT
signal
to receive HALT
signal
CMN_HALT
CMN_GND
30V
10n
1k
909
Ω
(Pin 5)
6.19k
30V
30V
20n
20n
6.19k
20k
c
The HALT signals of all SKiiPs in the application and from other hardware components can also be connected
together. That means that the HALT signal is set to LOW state when one of the connected SKiiPs is not ready
to operate. In this case only one receiver circuit on the user controller board is necessary. In case of failure the
switch off time for all such connected susystems will be shorter, than for SKiiPs with separately processed
HALT-signals.