5-10 1000 Series / Guide to Installation, Troubleshooting, and Maintenance
Figure 5-8—1120 Block Diagram
ISOL
PWR
SUPPL
Y
& OPTICAL
ISOL
TRANSDUCER
INTERF
A
CE
MV
IVF
IUF
POK
&
WDT
CIRCUITS
T
O / FR
OM
TRANSDUCER
DRIVE CONTR
OL MODULE
+5
+15
-15
DIGIT
AL
SIGNAL
PR
OCESSOR
(DSP
)
KEYBO
ARD & DISPLA
Y
B
UFFER &
CONTR
OL
REAL
TIME
CLOCK
TIMER
SETUP D
A
TA
BA
TTER
Y
BA
CKUP
ST
A
TIC RAM
MEMOR
Y
OPERA
TING D
A
TA
RAM MEMOR
Y
OPERA
TING PR
OGRAM
INSTR
UCTIONS
FLASH
EEPR
OM
MEMOR
Y
CONTR
OL DECODER,
B
UFFER & CONTR
OL
OPTICAL
ISOLA
T
ORS
SAMPLE
& HOLD
ANALOG
T
O DIGIT
AL
CONVER
TER
&
DIGIT
AL
T
O
ANALOG
CONVER
TER
FR
OM
DSP
T
O
DSP
T
O & FR
OM
ASYNC
SERIAL
NETW
ORK
T
O & FR
OM
SYNCH
SERIAL
NETW
ORK
FR
OM ANALOG
COMMAND
DEVICE
INTERNAL D
A
TA & CONTR
OL B
US
CR
B
US
V
OL
TA
GE
VU
VV
VW
VB
+
VB
-
U + E
V + E
W + E
B +
W
- E
U +
V +
W +
U +
U -
IUF
IVF
IWF
O
VER
CURRENT
DETECT
OR
POC
+5
+8
+8
ISO
+15
-15
+24
DC B
US
CR
U +
U -
V +
V -
W +
W -
V
OL
TA
GE
DIVIDERS
GA
TE DRIVE
& F
A
UL
T
V +
V -
W +
W -
IOC
DIGIT
AL
CURRENT
REGULA
T
OR
GA
TE DRIVER PO
WER MODULE
GA
TE DRIVE
& F
A
UL
T
GA
TE DRIVE
& F
A
UL
T
GA
TE DRIVE
& F
A
UL
T
GA
TE DRIVE
& F
A
UL
T
GA
TE DRIVE
& F
A
UL
T
CAP
A
CIT
OR B
US
VUF
VVF
FEEDBA
CK
CONDITIONING
IUC
IV
C
T
O ANALOG
DEVICE
T
O & FR
OM
SYNCH
SERIAL
NETW
ORK
FR
OM
DSP
FR
OM
DSP
T
O
DSP
LC
1
2
3
4
5
6
7
8
9
10
sc
+24
VDC
LOCAL
ANALOG
CMD
0
to
+/-10
VDC
USER
ANALOG
CMD
0
to
+10
VDC
REMO
TE ANALOG
CMD
0 to 20 mA
+ 10
VDC
REF
-
10
VDC
REF
LOCAL ANALOG OUT
USER ANALOG OUT
1
2
3
4
DB
DB
DB
GA
TE DRIVE
& F
A
UL
T
U -
V -
W -
B
US
V
OL
TA
GE
MONIT
OR
LO
W
V
OL
TA
GE
SWITCH MODE
PO
WER SUPPL
Y
MS0-5
6
B
US CHARGE
+ 8
ISO
P
ARALLEL INPUT & OUTPUT
CIRCUITS
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
JUMPERS FOR
V
OL
TA
GE &
HORSEPO
WER
IDENTIFICA
TION
U LEM
SCALE RESIST
ORS
V
LEM
SCALE RESIST
ORS
DB
L
B+
DB
B–
INVER
TER B
US
U +
U -
V +
V -
W +
W -
U
V
W
AC
MO
T
OR
TRANSDUCER
PROCESSOR BUS
T
O / FR
OM
ASYNC SERIAL
NETW
ORK
RECV
XMIT
XMIT
RECV
Summary of Contents for 11100
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