Siemens IM 328–N Description page 58

Description
3.3 Description of the L2-DP slave up to V3.x
Bit 7 6
n 16 n 16
+7 +6
3
.
.
.
KV 126,0
T PW 252
L PW 252
T MW 252
U M 252,5
SPB FB xx
.
.
.
Example:
PLC STOP in the
slave station
3-30
Diagnostics word from diagnostics OVERVIEW
Diagnostics address
5 4 3 2
Station
n 16 n 16 n 16 n 16
+5 +4 +3 +2
has sent a diagnostics message
You can program the following to check station 5 with diagnostics
OVERVIEW:
Call diagnostics OBERVIEW with station group 0 (stations 0 to 15) and
transfer into a flagword.
If station 5 has sent
a diagnostics message,
then evaluate error
in FB xx.
Note
For detailed information on the diagnostics possibilities in the STEP 5 pro-
gram of the master control, please refer to:
Reference:
If diagnostics shows that the station to be checked has an error and can be
addressed, the MODULE DIAGNOSTICS can be used to detect cyclic opera-
tion of the slave control as follows:
Diagnostics address + 1
1 0 Bit 7 6 5
n 16 n 16 n 16 n 16 n 16
+1 +15 +14 +13
has sent a diagnostics message
/1/, SIMATIC S5 Distributed I/O System ET 200
6ZB5 430–0BH02–1AA0
4 3 2 1
Station
n 16 n 16 n 16 n 16
+12 +11 +10 +9
Siemens AG 1996 All Rights Reserved
SINUMERIK 805SM / 840C (BS)
07.96
0
n 16
+8