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SKF Copperhead Transmitter Unit (CMPT CTU)

for Machinery Fault Detection

Copyright © 2011 by SKF Reliability Systems
All rights reserved.
Aurorum 30, 977 75 Luleå
Sweden
Telephone: +46 (0) 920 758 00, Fax: +46 (0) 920 134 40

Part No. 32163100

Revision D

Instruction Manual

Содержание CMPT CTU

Страница 1: ...nit CMPT CTU for Machinery Fault Detection Copyright 2011 by SKF Reliability Systems All rights reserved Aurorum 30 977 75 Lule Sweden Telephone 46 0 920 758 00 Fax 46 0 920 134 40 Part No 32163100 Re...

Страница 2: ...0 977 75 Lule Sweden Telephone 46 0 920 758 00 FAX 46 0 920 134 40 For technical support contact TSG EMEA skf com or TSG Americas skf com for customers in North and South America Visit us at our web s...

Страница 3: ...sic Instructions and Wiring Connections 7 17 7 17 General Instructions 7 18 Normal Wiring as Vibration and Temperature optional Transmitter 7 20 Normal Wiring as Vibration and Temperature optional Tra...

Страница 4: ...Enveloping gE Acceleration g or Velocity mm s or inch s The type of vibration analysis is user configurable The CTU has analog output signals proportional to processed vibration analysis and temperatu...

Страница 5: ...ter The software to process the vibration and temperature signals is embedded into the digital signal processing DSP card in the CTU Calibration of the CTU is a part of the embedded software The CTU u...

Страница 6: ...e CMPT DCL is a single channel display alarm module It displays the live value from CTU on the front panel which is programmable IT also has relay contacts for independent monitoring of the processed...

Страница 7: ...C to 85 C 40 F to 185 F Humidity 95 maximum IP rating IP20 Vibration IEC68 2 6 Shock IEC68 2 27 Bump IEC68 2 29 Mechanical Weight 0 225 kg 0 102 lbs Enclosure Thermoplastic ABS Color Gray Connectors...

Страница 8: ...sitivity of the accelerometer and the user defined signal processing method Acceleration Enveloping Acceleration or Velocity and RANGE See Section 3 Temperature 4 to 20 mA 0 to 10 V DC Proportional to...

Страница 9: ...put ON Output averaging OFF 2 Range 2 Accelerometer sensor input ON Output averaging OFF 3 Range 3 Accelerometer sensor input ON Output averaging OFF 4 Range 0 Accelerometer sensor input ON Output ave...

Страница 10: ...ing CTU is settling output because of change in rotary switch setting Red Fault with sensors or vibration exceeds set RANGE Red flashing Vibration or temperature input signal exceeds full Scale Red Gr...

Страница 11: ...or optional 5 CAN bus HIGH See CTU CAN bus 6 CAN bus LOW See CTU CAN bus 7 POWER 24 V DC Power supply for CTU 8 POWER SUPPLY GND Power supply ground 9 BUFFERED VIB OUT Buffered not processed vibration...

Страница 12: ...CMPT CTU is powered by 24 V DE Do not apply higher voltage Higher voltage 110 240 V AC power may exist in the same proximity as the CMPT CTU Use caution to avoid contact with any voltage source Make...

Страница 13: ...ending on the type of vibration analysis mode sensor sensitivity and selected CTU RANGE Examples for the setting of the FUNCTION and RANGE Example 1 Sensor 100 mV g CTU settings FUNCTION switch C Acce...

Страница 14: ...0 mm s V 0 to 50 mm s 16 7 mm s V 0 to 167 mm s 10 mV g Metric RMS Gain Scale 1 5 mm s V 0 to 15 mm s 5 0 mm s V 0 to 50 mm s 15 mm s V 0 to 150 mm s 50 mm s V 0 to 500 mm s Sensor Peak RANGE 0 RANGE...

Страница 15: ...E 10 0 gE V 0 to 100 gE 30 0 gE V 0 to 300 gE 100 0 gE V 0 to 1 000 gE Table 6 2 Acceleration g and Acceleration Enveloping gE Values of vibration V in the machinery being monitored can be calculated...

Страница 16: ...C 4 16 T Where as T temperature level in machine C C measured current output from CTU mA between 4 and 20 mA Or 216 C 4 16 32 T Where as T temperature level in machine F V measured current output fro...

Страница 17: ...r or a buffered signal input from another CTU The CTU can be mounted horizontally or vertically on a DIN rail It is advisable to use DIN spacers between the CTU modules The CTU must be installed in an...

Страница 18: ...eter sensor is connected to the CMPT CTU according to the wiring diagram in Figure 7 4 The CTU can directly interface with a plant automation system via a Programmable Logic Controller PLC Distributed...

Страница 19: ...sic CMPT CTU with wiring Accelerometer CTU terminal ACC Signal Power White 1 ACC TEMP signal Ground Black 2 TEMP signal High Red 3 Power 24 V DC 7 Power Ground 8 Analog output current Vibration 4 to 2...

Страница 20: ...nd refer to the CMPT DCL Instruction Manual for wiring and setting details This applies to SKF CMPT sensors 2310 2310T 2323 and 2323T The sensor ground wire is connected to the inner shield of the sen...

Страница 21: ...dary CTU is set to the appropriate buffered signal input ON selection See the wiring diagram below The CTU s analog output signals can be connected to a PLC DCS or CMPT DCL module for monitoring Figur...

Страница 22: ...ry operator When high vibration or temperature levels are detected it is advisable for the plant operator or maintenance personnel to inspect the machine Very often these personnel can detect faults b...

Страница 23: ...e danger Unsatisfactory alert 11 2 0 62 Unacceptable danger Unsatisfactory alert 18 1 00 Unacceptable danger 28 1 56 Unacceptable danger 45 2 51 Table 8 6 ISO 10816 1 Velocity Range Limits Enveloping...

Страница 24: ...atalogger to safely and easily connect to the sensor without interference The BNC connector can be switched to TEMP to enable measurement of the sensor temperature signal optional The CTU also has scr...

Страница 25: ...andard and is used in many plant automation applications As many as 64 CTU can simultaneously cooperate on the bus Characteristics Frame format CAN 2 0B CAN massage ID hex Uses 12000000 to 13FFFFFF Co...

Страница 26: ...perturbation may appear on the bus and alter the data 120 Ohm 120 Ohm CANBUS High CANBUS Low Power 24 VDC Power GND GND GND Figure 10 8 Two CTU transmitters wired for CAN bus connectivity Network prob...

Страница 27: ...format messages IDE 1 bit 0 standard frame format 11 bit ID 1 extended frame format 29 bit ID DLC 4 bits Data Length Code length of the Data field in bytes min 0 max 8 Data byte 8 array Message data b...

Страница 28: ...needed Identification can be done with Identify message When host application starts the default address 0xEFshould be sent with the broadcast address as the destination see Request below For just CTU...

Страница 29: ...epresentation 32 bit of message and response is as the following 1 Yellow Extra bits not used 2 Green FNC always 0x09 3 Turquoise Command 0xE0 4 Pink RR 5 Blue Source 1 sender address 6 Red Destinatio...

Страница 30: ...e ID Dest ID 0 5 Serial 6 7 Node ID Serial number The new node ID Table 10 13 Unit address request Response Command RR Source Dest Data Remarks 0xEF 1 Dest ID Source ID 0 1 Result Result 0 OK Result 0...

Страница 31: ...used 2 Green FNC always 0x09 3 Turquoise Command 0xEF 4 Pink RR 5 Blue Source 1 sender address 6 Red Destination Broadcast to all CTU s 0xF1 The message in bitwise 32 bit 1 2 3 4 5 6 0001001111011110...

Страница 32: ...re and different vibration values Current measured temperature C 204 0x00 0xCC Acceleration RMS output 266 0x01 0x0A Acceleration PH output 267 0x01 0x0B Velocity RMS output 268 0x01 0x 0C Enveloper P...

Страница 33: ...element index Figure 10 18 Example of New transmit message The bit representation 32 bit of message and response is as the following 1 Yellow Extra bits not used 2 Green FNC always 0x09 3 Turquoise C...

Страница 34: ...34 Instruction Manual Equation 1 s 1 Significand 2 E 127 0 Significand bit i 1 2 23 i i 22 So in this case the equation could look like following 1 0 1 1 8 1 16 1 64 1 256 1 512 1 1024 1 2048 1 8192...

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