4-8
Box PC 820 / PC FI45 V2, Manual
A5E00051531-03
DP Port (9 -Pin Sub D Socket Connector)
The port pinout conforms to PROFIBUS requirements
1
5
6
9
Figure 4-1
DP Port
Pin no.
Signal
designation
Description
Input/
Output
Pin 1
n.c.
not assigned
–
Pin 2
n.c.
not assigned
–
Pin 3
LTG_B
Signal line B of direct key module
Input/output
Pin 4
RTS
TTL output signal of direct key module. Signal ‘1’
is active when direct access key module transfers
data.
Output
Pin 5
M5EXT
M5EXT ground of 5V isolated power supply
The current load of an external consumer connec-
ted between P5EXT and M5EXT must not exceed
a max. of 90mA.
Output
Pin 6
P5EXT
P5EXT supply (+5V) of isolated 5V power supply.
The current load of an external consumer connec-
ted between P5EXT and M5EXT must not exceed
a max. of 90mA.
Output
Pin 7
n.c.
not assigned
–
Pin 8
LTG_A
Signal line A of direct module
Input/output
Pin 9
n.c.
not assigned
Direct Key Module (Optional with FI45)
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Summary of Contents for SIMATIC Box PC 820
Page 166: ...9 4 Box PC 820 PC FI45 V2 Manual A5E00051531 03 CD ROM Drive S t o c k C h e c k c o m ...
Page 174: ...11 6 Box PC 820 PC FI45 V2 Manual A5E00051531 03 Connecting Cables S t o c k C h e c k c o m ...
Page 192: ...Glossary 14 Box PC 820 PC FI45 V2 Manual A5E00051531 03 Glossaryx S t o c k C h e c k c o m ...
Page 196: ...Index 4 Box PC 820 PC FI45 V2 Manual A5E00051531 03 Index S t o c k C h e c k c o m ...