Manual VIPA CPU 21x
Chapter 2 Hardware description
HB103E - Rev. 05/45
2-17
In addition to the components described in the section on the CPU 21x the
CPU 21xDPM module is provided with 4 more LEDs and a Profibus
interface.
The LEDs are located in the left half of the front panel and they are used
for diagnostic purposes. The following table shows the color and the
significance of these LEDs.
Name
Color
Description
RN green
DP-Master-RUN
On: Master status is RUN. The slaves are being
accessed and the outputs are 0 ("clear" state).
On with DE: Master status is "operate". and is
communicating with the slaves.
IF red
Initialization
error
On: Error in Profibus configuration
DE
yellow
DE (Data exchange)
On: Indicates Profibus communication activity.
ER red
Error
On: Slave has failed
The CPU 21xDPM is connected to the Profibus system by means of a 9pin
jack. The pin assignment of this interface is as shown:
9pin Profibus D-type jack:
Pin
Assignment
1 Shield
2 n.c.
3
RxD/TxD-P (Line B)
4 RTS
5 M5V
6 P5V
7 n.c.
8
RxD/TxD-N (Line A)
9 n.c.
Note!
Refer to the chapter "Deployment of the CPU 21xDPM" for details on the
Profibus master.
CPU 21xDPM
LEDs
Profibus interface
5
4
3
2
1
9
8
7
6
Summary of Contents for CPU 21 Series
Page 1: ...Manual VIPA CPU 21x Order No VIPA HB103E Rev 05 45 ...
Page 2: ...Lerrzeichen ...
Page 6: ...About this Manual Manual VIPA CPU 21x Subject to change to cater for technical progress ...
Page 10: ...Contents Manual VIPA CPU 21x iv HB103E Rev 05 45 ...
Page 30: ...Chapter 1 Principles Manual VIPA CPU 21x 1 18 HB103E Rev 05 45 ...
Page 58: ...Chapter 2 Hardware description Manual VIPA CPU 21x 2 28 HB103E Rev 05 45 ...
Page 80: ...Chapter 3 Deployment CPU 21x Manual VIPA CPU 21x 3 22 HB103E Rev 05 45 ...
Page 178: ...Chapter 5 Deployment CPU 21x 2BT02 with H1 TCP IP Manual VIPA CPU 21x 5 48 HB103E Rev 05 45 ...
