Delta MM300 Instruction Manual Page 14

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1–8 MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: INTRODUCTION
1.2.2 User interface specifications
GRAPHICAL CONTROL PANEL
Size: ........................................................................... height 102mm, width 153mm, depth 35mm
LCD:...........................................................................89 mm (3.5-inch) colour, 320 by 240 pixels
LED indicators:.....................................................10 LEDs
Pushbuttons:.........................................................Start A, Start B, Stop, plus 11 LCD screen display control
keys
Ports:.........................................................................USB 2.0 port for laptop computer connection
1.2.3 Metering and monitoring specifications
EVENT RECORDER
Capacity:................................................................. 256 events
Data storage:........................................................ non-volatile memory
FREQUENCY METERING
Range:......................................................................40.00 to 70.00 Hz in steps of 0.01
Accuracy:................................................................±0.05 Hz
POWER METERING
Real power range:..............................................–2000.0 to 2000.0 kW in steps of 0.1
Apparent power range:....................................0.0 to 2500.0 kVA in steps of 0.1
Accuracy:................................................................±1% of full scale
POWER FACTOR METERING
Range:......................................................................–0.99 to +0.99 in steps of 0.01
Accuracy:................................................................±0.05
1.2.4 Control specifications
UNDERVOLTAGE RESTART
Dropout/Pickup Level: ......................................60 to 100% NCV in steps of 1%
Short Dip Time: ....................................................100 to 500 ms or OFF in steps of 10 ms
Medium Dip Time: .............................................. 0.1 to 10.0 s in steps of 0.1 s
Medium Dip Delay:.............................................0.2 to 60 s in steps of 0.2 s
Long Dip Time:.....................................................0.5 to 60.0 min or OFF in steps of 0.5 min
Long Dip Delay:....................................................1.0 to 1200.0 s in steps of 1.0 s
Time Accuracy:....................................................±1 s or ±5% of total time
1.2.5 Inputs specifications
CONTROL VOLTAGE INPUT (UNDERVOLTAGE RESTART SOURCE)
External VT primary:..........................................110 to 690 V AC in steps of 10 (if used)
Input range:...........................................................60 to 300 V AC
Nominal frequency:...........................................50 or 60 Hz
Accuracy:................................................................±5% of reading
DIGITAL INPUTS
Fixed pickup:.........................................................65 V AC
Recognition time:................................................2 cycles
Current draw at rated voltage: ....................60 mA @ 120 V; 75 mA @ 240 V
Momentarily sampled every cycle
Input impedence:................................................1.7 k
Type: .........................................................................opto-isolated inputs
External switch: ...................................................wet contact
Maximum input voltage: .................................300 V AC
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