Emerson iPro SERIES Informações Técnicas

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Technical Information
Date of last update: Oct-11
Ref: D7.8.4/1011/E
Application Engineering Europe
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CoreSense Diagnostics for Stream Refrigeration Compressors ............................................................................... 1
1 Introduction .......................................................................................................................................................... 3
2 Specifications ........................................................................................................................................................ 3
3 Emerson CoreSense Diagnostics Features ..................................................................................................... 3
3.1 “Jog” feature ................................................................................................................................................. 4
3.2 Crankcase heater (CCH) control.................................................................................................................... 4
3.3 Insufficient oil pressure protection .............................................................................................................. 5
3.4 Motor overheat protection .......................................................................................................................... 5
3.5 High discharge temperature protection ....................................................................................................... 5
3.6 Locked rotor protection ................................................................................................................................ 5
3.7 Missing phase protection ............................................................................................................................. 5
3.8 Low voltage protection ................................................................................................................................. 5
3.9 Voltage imbalance protection ...................................................................................................................... 6
3.10 Flash memory information ........................................................................................................................... 6
3.10.1 The following asset information will be saved in the flash memory (EEPROM); ................................. 6
3.10.2 Compressor running status information will be saved in the flash memory (EEPROM): ..................... 6
3.10.3 Compressor Operating Parameters ...................................................................................................... 6
3.11 Modbus
®
communication ............................................................................................................................. 6
3.12 Local and remote reset ................................................................................................................................. 6
3.13 Alarm history and running conditions .......................................................................................................... 7
3.14 Compressor status codes .............................................................................................................................. 7
3.15 LEDs on the module to display the failure alarms ........................................................................................ 7
4 Electrical connections ........................................................................................................................................... 9
4.1 System wiring diagram ................................................................................................................................. 9
4.2 Terminal box and current sensing transformer connections ..................................................................... 10
4.2.1 Installation of current sensing module ............................................................................................... 10
4.2.2 CoreSenseDiagnostics with Υ/Δ motors ........................................................................................ 11
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Página 1 - Technical Information

1/17 Technical Information Date of last update: Oct-11 Ref: D7.8.4/1011/E Application Engineering Europe CCOORREESSEENNSSEE™™ DDIIAAGGNNOOSSTTIIC

Página 2

Technical Information D7.21.2/1011/E 10/17 Figure 7: CoreSense™ module with current sensor 4.2 Terminal box and current sensing transformer conn

Página 3

Technical Information D7.21.2/1011/E 11/17 4.2.2 CoreSense™ Diagnostics with Υ/Δ motors Terminal box and the current sensing “toroid” con

Página 4

Technical Information D7.21.2/1011/E 12/17 Figure 11: Wiring part winding Figure 12: Wiring Sensor module and leads routed through the current s

Página 5

Technical Information D7.21.2/1011/E 13/17 5 CoreSense™ Diagnostics jumper settings The last compressor in the daisy-chain must be “terminated” by

Página 6

Technical Information D7.21.2/1011/E 14/17 Assign a unique node address to each CoreSense™ diagnostics module using switches 1 through 5. a. Set th

Página 7

Technical Information D7.21.2/1011/E 15/17 7 Troubleshooting Flash code Alarm conditions Possible failure reasons Troubleshooting measures 1 In

Página 8

Technical Information D7.21.2/1011/E 16/17 Flash code Alarm conditions Possible failure reasons Troubleshooting measures 4 Connection lost CT t

Página 9

Technical Information D7.21.2/1011/E 17/17 Flash code Alarm conditions Possible failure reasons Troubleshooting measures 8 Low voltage Trip: Ap

Página 10 - Technical Information

Technical Information D7.21.2/1011/E 2/17 4.2.3 CoreSense™ Diagnostics with part winding ...

Página 11

Technical Information D7.21.2/1011/E 3/17 1 Introduction CoreSense™ is an ingredient brand name for compressor electronics associated with Emerson‟

Página 12

Technical Information D7.21.2/1011/E 4/17 Figure 2 3.1 “Jog” feature The reset button below the control module may be used as an emergency shutd

Página 13

Technical Information D7.21.2/1011/E 5/17 3.3 Insufficient oil pressure protection The CoreSense™ Diagnostics module replaces the mechanical oil pr

Página 14

Technical Information D7.21.2/1011/E 6/17 Alarm condition: Motor compressor voltage < low voltage setting at compressor running state. The defaul

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Technical Information D7.21.2/1011/E 7/17 3.13 Alarm history and running conditions Operating information Alarm history Number of compressor runnin

Página 16

Technical Information D7.21.2/1011/E 8/17 LED flashes count Status LED description Auto reset time Lockout condition Status LED troubleshooting info

Página 17

Technical Information D7.21.2/1011/E 9/17 4 Electrical connections 4.1 System wiring diagram Fuses and wire cable sizing must be done in accordanc

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