CHAPTER 1: INTRODUCTION
SPECIFICATIONS
MM200 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
1–7
Specifications
NOTE
NOTE:
Specifications are subject to change without notice.
Protection specifications
ACCELERATION TIMER
Pickup:......................................................................
I
av
>
I
cutoff
Dropout: ..................................................................
I
av
<
I
pu
or timer expired
Time delay: ............................................................ 0.5 to 250.0 seconds in steps of 0.1
Timing accuracy:................................................ ±500 ms or 1.5% of total time
Elements: ................................................................ trip and alarm
CURRENT UNBALANCE
Range: ...................................................................... 4 to 40% in steps of 1%
Accuracy:................................................................ ±2%
Time delay: ............................................................ 1 to 60 seconds in steps of 1 s
Timing accuracy:................................................ ±500 ms
Elements: ................................................................ trip and alarm
GROUND FAULT (CBCT)
Pickup level:........................................................... 0.5 to 15.0 A in steps of 0.1 A
Trip time delay on start:................................... 0 to 10 s in steps of 0.1 s
Trip time delay on run: ..................................... 0 to 5 s in steps of 0.1 s
Alarm time delay on start/run:..................... 0 to 60 s in steps of 1 s
Timing accuracy:................................................ ±100 ms or ±0.5% of total time
Elements: ................................................................ trip and alarm
LOAD INCREASE
Pickup level:........................................................... 50 to 150% of FLA in steps of 1%
Timing accuracy:................................................ ±500 ms
Elements: ................................................................ Alarm
MECHANICAL JAM
Pickup level:........................................................... 1.01 to 4.50 × FLA in steps of 0.01
Time delay: ............................................................ 0.1 to 30.0 seconds in steps of 0.1
Timing accuracy:................................................ ±500 ms
Elements: ................................................................ trip
CALCULATION METHOD
If I
AV
≥
I
FLA
: ( [I
M
- I
AV
] /I
AV
) x 100%
If I
AV
≤
I
FLA
: ( [I
M
- I
AV
] /I
FLA
) x 100%
Where
:
I
AV
= average phase current
I
M
= current in a phase with maximum deviation from I
AV
I
FLA
= MOTOR FULL LOAD AMPS setpoint
Содержание MM200
Страница 6: ...TOC IV MM200 MOTOR MANAGEMENT SYSTEM INSTRUCTION MANUAL ...
Страница 104: ...5 4 MM200 MOTOR MANAGEMENT SYSTEM INSTRUCTION MANUAL COMMANDS CHAPTER 5 DIAGNOSTICS ...
Страница 106: ...6 2 MM200 MOTOR MANAGEMENT SYSTEM INSTRUCTION MANUAL COMMUNICATIONS INTERFACES CHAPTER 6 COMMUNICATIONS ...
Страница 110: ...A 4 MM200 MOTOR MANAGEMENT SYSTEM INSTRUCTION MANUAL REPAIRS CHAPTER A APPENDIX A ...