Foldback - Emerson Copeland EV2 Series Application Engineering Bulletin

Three phase series variable speed drives 517-625v, 8.0 kw
Table of Contents

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36
38
Sensor 2 (Thermistor, DLT)
48
Torque Fold Back Status
49
Power Module & IGBT Temp
50
AC Input Current Fold Back
53
54
55
56
Drive
Status/Readings
(Read)
57
DC Bridge Voltage for 575V
58
Sensor 1 (HP transducer
59
60
Compressor running speed
61
62
64
65
66
67
68
Compressor Phase Current
70
Sensor 2 (Thermistor, DLT)
77
Compressor Phase Over
IGBT Temp High
High Temp Limit
Fold Back Status
Status
Compressor Phase_U
Current
Compressor Phase_V
Current
Compressor Phase_W
Current
Buck IGBT Current
drive
only) Reading
Power-Up Status
Torque
Torque Limit
DC Bus Voltage
AC Input Voltage
AC Input Current
AC Input Power
Power Module Temp
Reading
Current
N/A
Celsius
N/A
Celsius
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Amps (RMS) 2 Bytes 8.8
N/A
Amps (RMS) 2 Bytes 8.8
N/A
Amps (RMS) 2 Bytes 8.8
N/A
Amps (Avg)
N/A
Volts (DC)
N/A
N/A
N/A
N/A
N/A
RPM
N/A
Nm
N/A
Nm
N/A
Volts (DC)
N/A
Volts (RMS) 2 Bytes 12.4
N/A
Amps (RMS) 2 Bytes 8.8
N/A
Watts
N/A
Amps (RMS) 2 Bytes 8.8
N/A
Celsius
N/A
Celsius
Immediate
N/A
Shutdown
Ex. If Value = 512, then Conversion =
512/(2^5)
2 Bytes 11.5
Ex. If Value = 512, then Conversion =
512/(2^5)
2 Bytes 11.5
Ex. If Value = 512, then Conversion =
512/(2^5)
2 Bytes 0 = No ; 1 = Yes
2 Bytes 0 = No ; 1 = Yes
2 Bytes 0 = No ; 1 = Yes
Ex. If Value = 512, then Conversion =
512/(2^8)
Ex. If Value = 512, then Conversion =
512/(2^8)
Ex. If Value = 512, then Conversion =
512/(2^8)
2 Bytes 8.8
Ex. If Value = 512, then Conversion =
512/(2^8)
2 Bytes 12.4
Ex. If Value = 512, then Conversion =
512/(2^4)
2 Bytes 11.5
Ex. If Value = 512, then Conversion =
512/(2^5)
2 Bytes 0 = Not Ready
1 = Power-Up Complete
2 Bytes 15.1
Ex. If Value = 512, then Conversion =
512/(2^1)
2 Bytes 7.9
Ex. If Value = 512, then Conversion =
512/(2^9)
2 Bytes 7.9
Ex. If Value = 512, then Conversion =
512/(2^9)
2 Bytes 12.4
Ex. If Value = 512, then Conversion =
512/(2^4)
Ex. If Value = 512, then Conversion =
512/(2^4)
Ex. If Value = 512, then Conversion =
512/(2^8)
2 Bytes 16.0
Ex. If Value = 512, then Conversion =
512/(2^0)
Ex. If Value = 512, then Conversion =
512/(2^8)
2 Bytes 11.5
Ex. If Value = 512, then Conversion =
512/(2^5)
2 Bytes 11.5
Ex. If Value = 512, then Conversion =
512/(2^5)
Bit 0
0 = No ; 1 = Yes
Lockout (After 10 fault occurrences*)

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