Communication System Manual
3WN1, 3WS1 Circuit-Breakers
112
Copyright Siemens AG 1998. All rights reserved.
Version 1.0 (08/98)
The interface module sends the following data to the master module:
Table 20: Data message
SD
LE
LEr
SD
DA
SA
FC
DSAP
SSAP
DU
FCS
ED
68H
x
x
x
x
x
x
x
x
x ..
x
16H
Octet
Bit no.
Description
7 6 5
4 3 2
1 0
1
0 0 Maximum phase current in phase L1
1 input byte
0 1 Maximum phase current in phase L2
1 0 Maximum phase current in phase L3
2
0 0
0 0 Rated circuit-breaker current
Test
1 input byte
0 0
0 1 Rated circuit-breaker current
315 A
0 0
1 0 Rated circuit-breaker current
400 A
0 0
1 1 Rated circuit-breaker current
500 A
0 1
0 0 Rated circuit-breaker current
630 A
0 1
0 1 Rated circuit-breaker current
800 A
0 1
1 0 Rated circuit-breaker current
1000 A
0 1
1 1 Rated circuit-breaker current
1250 A
1 0
0 0 Rated circuit-breaker current
1600 A
1 0
0 1 Rated circuit-breaker current
2000 A
1 0
1 0 Rated circuit-breaker current
2500 A
1 0
1 1 Rated circuit-breaker current
3150 A
1 1
0 0 Rated circuit-breaker current
4000 A
1 1
0 1 Rated circuit-breaker current
5000 A
1 1
1 0 Rated circuit-breaker current
6000 A
1 1
1 1 Rated circuit-breaker current
6300 A
0
0
Actually displayed phase L1
0
1
Actually displayed phase L2
1
0
Actually displayed phase L3
1
1
Actually displayed phase Lmax
3
1 Button pressed on display
1 input byte
1
"a" release
1
"n/z" release
1
"g" release
1
Phase imbalance
1
Watchdog (microprocessor fault)
1
Overload
1
Temperature alarm
4
Phase 1 current: high-order byte
1 input word
5
low-order byte
6
Phase 2 current: high-order byte
1 input word
7
low-order byte
8
Phase 3 current: high-order byte
1 input word
9
low-order byte