Technical Manual
ISSUE 7 28/9/99
Contents
CONTENTS................................................................................................................................................................... 2
1. INTRODUCTION ..................................................................................................................................................... 1
2. SUMMARY OF FEATURES .............................................................................................................. 2
2.1.
C
ONTROL
F
UNCTIONS
............................................................................................................................................... 2
2.2.
P
ROTECTIVE
F
UNCTIONS
........................................................................................................................................... 2
2.3.
D
ISPLAYED
D
ATA
...................................................................................................................................................... 2
2.4.
F
EATURES
................................................................................................................................................................. 3
3. TECHNICAL SPECIFICATION ............................................................................................................................ 3
3.1.
A
UXILIARY
P
OWER
S
UPPLY
....................................................................................................................................... 3
3.2
P
HASE
C
URRENT
I
NPUTS
............................................................................................................................................ 3
3.3.
E
ARTH
F
AULT
C
URRENT
I
NPUTS
............................................................................................................................... 4
3.4.
L
INE
V
OLTAGE
I
NPUTS
.............................................................................................................................................. 4
3.5.
T
HERMISTOR
/RTD
I
NPUTS
........................................................................................................................................ 4
3.6.
O
VERLOAD
A
LARM AND
T
RIP
C
URVES
..................................................................................................................... 4
3.7.
C
URRENT
U
NBALANCE
A
LARM AND
T
RIP
................................................................................................................. 4
3.8.
F
AULT
T
IME
D
ELAYS
................................................................................................................................................ 5
3.9.
R
ELAY
C
ONTACTS
..................................................................................................................................................... 5
3.10.
D
IELECTRIC
S
TRENGTH
........................................................................................................................................... 5
3.11.
A
UTO
R
ESTART
C
IRCUITRY
..................................................................................................................................... 5
4. SCHEMATIC DIAGRAMS................................................................................................................. 5
5. MEASURED INPUTS .......................................................................................................................... 7
5.1.
P
OWER
S
UPPLY
(L
IVE
-4,
N
EUTRAL
-5,
E
ARTH
-7) ...................................................................................................... 7
5.2.
VT
I
NPUTS
(L1-16,
L2-18,
L3-20,
N-17,19,21-
IF USED
) ........................................................................................... 7
5.3.
C
URRENT
S
ENSOR
I
NPUTS
(10,11,12,13,14,15) ........................................................................................................ 7
5.4.
E
ARTH
F
AULT
CT
I
NPUTS
(8,9) ................................................................................................................................. 7
5.5.
T
EMPERATURE
I
NPUTS
(23,24,25;26,27,28;29,30,31) .............................................................................................. 7
5.6.
P
OWER
. ..................................................................................................................................................................... 7
6. CONTROL INPUTS/OUTPUTS ......................................................................................................... 8
6.1.
O
UTPUT
R
ELAYS
....................................................................................................................................................... 8
6.2.
C
ONTROL
I
NPUTS
...................................................................................................................................................... 8
6.2.1. Key Switch ......................................................................................................................................................... 8
6.2.2. Emergency Stop................................................................................................................................................. 8
6.2.3. ESD 3 Relay ...................................................................................................................................................... 8
6.2.4. Start A and Start B Input Terminals (78,76) ..................................................................................................... 8
6.2.5. Aux. Live (55,58,61,65,68,71,74,77) ................................................................................................................. 8
6.2.6. Stop Input (79) .................................................................................................................................................. 8
6.2.7. Plant Interlock (75) ........................................................................................................................................... 9
6.2.8. Local/Remote (73) ............................................................................................................................................. 9
6.2.9. PLC/Serial Port (72) ......................................................................................................................................... 9
6.2.10. Authorise Key (70) .......................................................................................................................................... 9
6.2.11. PLC Reset (69) ................................................................................................................................................ 9
6.2.12. PLC Control A (67) ......................................................................................................................................... 9
6.2.13. PLC Control B (66) ......................................................................................................................................... 9
6.2.14. Serial Port (+ve = 3, -ve = 1, Shield = 2) ...................................................................................................... 9
6.2.15. Speed Switch (64)............................................................................................................................................ 9
6.2.16. Contactor A and B Status (62,63,59,60) ......................................................................................................... 9
6.2.17. Isolator (56,57) ............................................................................................................................................. 10
6.2.18. External Fault 2 (52)..................................................................................................................................... 10
6.2.19. External Test Position (53)............................................................................................................................ 10
6.2.20. External Fault 3 (53)..................................................................................................................................... 10
Summary of Contents for MPC2000+
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