'(& )( )'& &) ( &!& ")& &$(( $# Ć %&( $# #)" &&#$
4 - 2
Siemens AG ⋅ May 1998
1 2 ... 8
master unit
48
PC operation
DIGSI
processor for check zone
protection processor 1
protection processor 2
system bus
input/output module
16 marshallable alarm relays
7 binary inputs
BSZ: processing protection
DPR: dual-port-RAM
EAZ: input/output master unit
SBK: control, operation, coupling (master)
SK: serial interface
SV: power supply
ZPS: central processor protection
ZPS
(BSZ1)
ZPS
(BSZ2)
ZPS
(BSZ3)
EAZ1 EAZ2 SV
DPR DPR DPR
ZPS
(SBK)
ZPS
(SK1)
ZPS
(SK2)
ZPS
(SK3)
DPR DPR DPR
DPR DPR DPR
ZPS
(SK4)
ZPS
(SK5)
ZPS
(SK6)
bay unit
A/D C
bay unit
A/D C
bay unit
A/D C
...
bay 1 bay 2 bay 48
20 binary inputs (marshallable)
7 binary outputs
(5 command relays, 1 alarm relay; marshalable and 1
alarm relay "device failure")
currents
L1
,
L2
,
L3
,
E