SKF IMx-16Plus User Manual
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SKF IMx-16Plus User Manual

Multilog on-line system
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SKF Multilog On-line
System IMx-16Plus
User Manual
Part Number 15V-090-00081-100 Revision Letter A
Read this manual carefully before using the product. Failure
to follow the instructions and safety precautions in this manual can
result in serious injury, damage to the product or incorrect
readings. Keep this manual in a safe location for future reference.
Copyright © 2018 by SKF Group
Notice of Confidentiality
All rights reserved.
SKF Sverige AB
Aurorum 30, 977 75 Luleå, Sweden
Telephone: +46 (0) 31 337 10 00, Fax: +46 (0) 920 134 40

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Summary of Contents for SKF IMx-16Plus

  • Page 1 Keep this manual in a safe location for future reference. Copyright © 2018 by SKF Group Notice of Confidentiality All rights reserved.
  • Page 3 SKF reserves the right to alter any part of this publication without prior notice. Pate ts: U“ , •...
  • Page 4 Technical Support - SKF's Technical Support Group (TSG) can be reached during normal business hours via phone, e-mail and live chat. Always check the self-service web portal before contacting your nearest Technical Support Group to see if the answer is already published. You may search the vast knowledgebase within the self-service web portal for answers to commonly-asked questions (FAQ), how-to articles, technical specs, installation and user manuals, best practices and more.

  • Page 5: Table Of Contents

    External antenna for LTE/GSM/Wi-fi (optional) ..........13 GPS module (optional) ................. 13 Installation and operating instructions ........15 Introduction ....................15 Mounting the SKF Multilog On-line System IMx-16Plus ......16 Power requirements ..................18 Site cabling considerations ................20 2.4.1 Sensor cabling ................
  • Page 6 2.9.5 RS485 Modbus RTU communications........... 46 2.9.6 Connections to Monitor ..............47 Product specifications ..............49 Product labelling ................... 49 SKF Multilog On-line System IMx-16Plus ............ 50 3.2.1 Environmental ................50 3.2.2 Power ..................... 50 3.2.3 Analogue inputs ................50 3.2.4...
  • Page 7 GPS module (optional) ................. 59 Electrical waste ................61 Appendix A Limited Warranty ............63 SKF Multilog On-line System IMx-16Plus 7 (66) User Manual Revision Letter A...

  • Page 9: Product Description

    1 Product description 1.1 SKF Multilog On-line System IMx-16Plus The IMx-16Plus is a latest generation ‘IMx’ and though the same physical size as an IMx-8, has extended channel count and interfacing capabilities. For example, it can support 16 analogue inputs (eight constant current accelerometers or voltage inputs and a further eight that in addition have, PT1000 compatibility for temperature monitoring).

  • Page 10: System Communications

    PRODUCT DESCRIPTION System communications 1.2 System communications The communications setup or mode, determines how the IMx-16Plus will communicate with the wider system. There are 3 alternative arrangements that can be used: • Server initiated (@Observer initiated communication) • • Client-Server (the IMx-16Plus is the initiator of the communication)

  • Page 11: Bluetooth

    As supplied, a Bluetooth dongle specifically configured by SKF is already mounted in the IMx-16Plus USB Type-A port. Bluetooth is used for communication between the IMx-16Plus and the SKF Multilog IMx Manager app. This is particularly useful when the IMx-16Plus is in stand-alone and SAT mode (but works in all modes).

  • Page 12: Outer Cabinet (Optional)

    PRODUCT DESCRIPTION Outer cabinet (optional) disallowed as in the IMx-16Plus the 32 Modbus external channels are allocated to the single master. The number of slaves supported is reduced by the number of other Modbus connections, enabled, see earlier note. When configured specifically as an RTU master to the optional GPS module slave (1.5), (External Communication type ‘GPS50M’, rather than ‘Modbus’), @Observer...

  • Page 13: External Antenna For Lte/Gsm/Wi-Fi (Optional)

    An optional GPS module is available, see section 3.6. This has an integral antenna, but the module itself must be fitted external to any IMx cabinet. The IMx-16Plus can use position data to collate and associate with the condition monitoring measurements. The GPS data is requested by the IMx-16Plus, acting as a Modbus RTU master on the RS485, two wire serial interface.
  • Page 14 PRODUCT DESCRIPTION GPS module Connections for the GPS module are available on the ‘top’ end cap of the IMx- 16Plus, refer section 2.8. 14 (66) SKF Multilog On-line System IMx-16Plus User Manual Revision Letter A...

  • Page 15: Installation And Operating Instructions

    Observe all site safety requirements including any that may be specific to the machines or areas where the installation work is being carried out. Make sure that the power is disconnected before the installation begins. SKF Multilog On-line System IMx-16Plus 15 (66) User Manual...

  • Page 16: Mounting The Skf Multilog On-Line System Imx-16Plus

    • That will accommodate all the required fixing points. Like the IMx-8, the IMx-16Plus has a blue, painted aluminium enclosure that is IP30 classified. To provide higher environmental protection, the IMx-16Plus should be mounted inside a cabinet (an IP65 classified cabinet can be provided by SKF). When using any outer cabinet, always use all the recommended fixings to mount and secure it.
  • Page 17 INSTALLATION AND OPERATING INSTRUCTIONS Mounting the SKF Multilog On-line System IMx-16Plus Figure 2 IMx-8 / IMx-16Plus DIN rail mounted in IP65 cabinet The IMx-16Plus is mounted using the DIN rail bracket attached to the rear face of the device, Figure 3 below.

  • Page 18: Power Requirements

    Power requirements To dismount (remove any connectors/wiring), then snap the lower part of the bracket from the DIN rail and lift it up a little. The IMx-16Plus is now free to be lifted away from the DIN rail. 2.3 Power requirements The SKF Multilog IMx-16Plus is designed to be powered from a 24 to 48 V DC supply, typical power consumption 10 W.
  • Page 19 INSTALLATION AND OPERATING INSTRUCTIONS Power requirements Important safety warnings: To connect the IMx-16Plus to the DC power supply, use cable of the following standard or better: FKLK 3 x 1,5 mm (16 AWG) or EKLK 3 x 1,5 mm (16 AWG) or corresponding, with minimum voltage requirement 300 V and temperature range of −40 to...

  • Page 20: Site Cabling Considerations

    Keep clear of high voltage equipment, their cables or strong magnetic fields • Avoid exposure to or protect against radiant heat Choose a cable routing, that doesn’t obstruct access to the IMx-16Plus • Avoid cable and sensor locations that interfere with routine maintenance For cable/wire ends, bootlace ferrules or cord end terminals are recommended.

  • Page 21: Ethernet Cabling

    LAN (Wi-Fi or hard-wired) and user network infrastructure or a mobile data connection. All relevant parameters such as IP address/mode, IMx identification number, etc. are stored in a configuration file, then transferred to the IMx-16Plus device local memory through the Online Device Configurator or the SKF Multilog IMx Manager mobile application.

  • Page 22: Ethernet Connection

    INSTALLATION AND OPERATING INSTRUCTIONS SKF Multilog On-line System IMx-16Plus ‘Out of the box’, the IMx-16Plus is configured as a DHCP-client to obtain its IP address automatically, if there is a DHCP-server available on the network to which it connects. For detailed information, refer to the @ptitude Observer On-line Device Configurator User Manual.

  • Page 23: Rs485 Modbus Connections

    The IMx-16Plus device’s G (Ground) connector can be used in cases where the connected equipment bus is floating. If an IMx-16Plus device is placed first or last in the bus chain, then an external bus termination resistor must be connected to it. (Note: there is no built-in termination that can be activated by configuration).

  • Page 24: Led Indicators

    SYS LED is fast flashing (approximately four times per second). When the system configuration is complete, the SYS LED will be off, if it remains solid on, this indicates that the IMx-16Plus is in an error state. In the latter case, contact TSG for advice and further information.

  • Page 25: Connecting Accelerometers (A1 To A16)

    The standard accelerometer power can be enabled/disabled by software configuration. Refer to the @ptitude Observer User Manual for further information. Connect each accelerometer to the relevant input terminals on the appropriate analogue connector located on the bottom end cap of the IMx-16Plus (refer 3.3.2.). For example, Figure 10, if using analogue channel A1, connect sensor output 1 (signal) to input A1 and sensor output 2 (common/return) to input G1.

  • Page 26: Connecting Pt1000 Sensors (A9 To A16)

    Example connection of a PT1000 sensor to analogue input 9 Note, that the PT1000 sensor lead wires (red and white) are not polarity sensitive and can have reversed connections to the IMx-16Plus, without any impact on the measurement function. Also, note that the IMx-16Plus provides the required sense current for the measurement and that this is enabled by @ptitude Observer software, automatically when sensor type PT1000 (C or F) is selected.

  • Page 27: Connecting Tacho/Speed Signals (D1 To D4)

    IMx input comfortably crosses the trigger threshold and aim for pulse heights of 12 to 24 V, where possible. The digital input connectors are located on the top end cap of the IMx-16Plus (refer 3.3.1).
  • Page 28 INSTALLATION AND OPERATING INSTRUCTIONS SKF Multilog On-line System IMx-16Plus The sensor can be connected to the relevant digital input terminals as illustrated in the following diagrams, Figure 13 Figure 15. Connect appropriately to the type of sensor being used. Note that the different sensor types illustrated in these figures, are supported by all digital input channels;...
  • Page 29 TTL (no standard) External power Note: Where it is required to cascade a single sensor signal to multiple digital inputs on the IMx-16Plus, connect the appropriate D terminals, together. SKF Multilog On-line System IMx-16Plus 29 (66) User Manual Revision Letter A...

  • Page 30: Connecting Relays

    SKF Multilog On-line System IMx-16Plus 2.5.12 Connecting relays The IMx-16Plus has three relay driver outputs that can be used for remote indication of System status, Warning (Alert) and Alarm (Danger), conditions. The output terminals for these are situated on the bottom end cap of the IMx-16Plus, refer section 3.3.2.

  • Page 31: System Commissioning And Security

    2.5.13 System commissioning and security System commissioning and troubleshooting is supported by the SKF Multilog IMx Manager, software. This is an SKF app for both Android and iOS devices and is available from the relevant app store. The app provides features to manage and configure the IMx system and to visualise measurement data: •...

  • Page 32: Imx-16Plus Stand-Alone Mode

    Example of registration process on first use of the app. 2.5.14 IMx-16Plus Stand-alone mode The IMx-16Plus can be configured to be used in stand-alone mode. In this scenario, a connection to the @ptitude Observer Monitor Service is not required as data is not transferred for trending and analysis by the @ptitude Observer Client.

  • Page 33: Network Data Transfer

    The amount of the data transferred across the network is normally small but is dependent on the IMx-16Plus configuration. In case of temporary loss of the network connection, data is still measured and stored locally so that when the connection is re-established, collected data is transferred to the database.

  • Page 34: Storage Capacity

    2.5.17 Storage capacity As noted in the specifications, each IMx-16Plus device has 4 GB effective flash (non- volatile) storage used for the following: •...

  • Page 35: Run Cycle Mode

    It has a circular footprint and the integral cable is pre-terminated in appropriate connectors for the LTE 1, LTE 2 and Wi-Fi connections on the IMx-16Plus, top end cap*, refer section 3.3.1. Further technical details of this antenna can be found in 3.5.

  • Page 36: Gps Module (Optional)

    An external GPS module is available as an option. When fitted, GPS data can be requested by the IMx-16Plus, via Modbus RTU, over the RS485 2-wire connection. On this interface the IMx-16Plus is the master device and the GPS module, the slave device.

  • Page 37: Troubleshooting

    Troubleshooting 2.9 Troubleshooting 2.9.1 Introduction This section is intended as an aid to fault finding, on an IMx-16Plus system. It is designed for instrumentation engineers and others with sufficient knowledge of electrical troubleshooting including safe working procedures, in electronic systems powered by 24 to 48 V DC*.

  • Page 38: Sensor Circuits

    After the IMx-16Plus has rebooted into maintenance mode, it will listen for an incoming connection on port 1000 using the existing IMx network settings. Whilst in this mode the IMx-16Plus will neither initiate a connection to or get a connection from, the @ptitude Observer monitor, server.
  • Page 39 NO: Skip to step 3. YES: The cabling to the sensor is probably OK and the sensor interface to the IMx-16Plus is normal. If the sensor output signal is still perceived as incorrect, then check the transducer mounting and try substituting the sensor.
  • Page 40 First, recheck that the DCV measurement was correctly carried out, then contact TSG for advice. Remaining faults can be due to a damaged sensor or a damaged IMx-16Plus input circuit. First, disconnect one pole of the sensor cable and measure the open circuit voltage to verify whether the open circuit voltage is normal (about 24 V DC).
  • Page 41 (typically 21 mA) to signal a sensor/circuit failure. In such circumstances the output current will be different to the source, measurement value. Channels where the input signal is 4-20 mA, should have an SKF provided, 250-ohm load resistor fitted, refer section 2.5.9.
  • Page 42 1. Identify the input terminals where the channel in question is connected to the IMx-16Plus and verify that this a channel in the range 9 to 16. Confirm sensor type in the configuration is set at PT1000 (C) or PT1000 (F). If all appears OK, measure the DC voltage (V) across the channel input using a digital voltmeter.
  • Page 43 1. Identify the input terminals where the channel in question is connected to the IMx-16Plus and verify that the connections are correct. If all appears OK, measure the DC voltage (V) across the channel input using a digital voltmeter.
  • Page 44 Effective troubleshooting for tacho signals will likely require a handheld/portable oscilloscope or DMM with oscilloscope capabilities (a battery powered unit is preferred). It will be hindered if the IMx-16Plus cannot be accessed when the speed signal is active. 1. Check the sensor installation, the security of the mounting, the gap to the target and the differential gap between target and no target, conditions.

  • Page 45: Relay Driver Outputs

    (number of pulses per rev) have been configured, in the software. 2.9.4 Relay driver outputs 1. Identify which relay driver output of which IMx-16Plus, is being used for the alarm under investigation, the expected alarm state and consequently whether it is expected that the relay coil is being energised or not.

  • Page 46: Rs485 Modbus Rtu Communications

    Troubleshooting NO: A relay fault is indicated. YES: The IMx-16Plus and relay sub-system seems as expected. Check the downstream system components (that the correct relay output contacts are being used, the power supply on the relay contact side, the ‘detecting’ device etc.).

  • Page 47: Connections To Monitor

    Any recent IT changes that may have impacted the system (firewall, security etc.) In a multi-IMx system indications of where the fault may lie can be inferred from knowing how many and which IMx have problems connecting. SKF Multilog On-line System IMx-16Plus 47 (66) User Manual Revision Letter A...

  • Page 49: Product Specifications

    Note the same MAC address applies to whichever of the local network interfaces is enabled (RJ45 or Wi-Fi). Figure 18 Manufacturing data label Refer to 3.2.12 (detailed product specifications) for a complete listing of compliances and certifications. SKF Multilog On-line System IMx-16Plus 49 (66) User Manual Revision Letter A...

  • Page 50: Skf Multilog On-Line System Imx-16Plus

    *PoE is not available when three relay outputs and LTE/GSM functions are all enabled • Optional CMON 4137: DIN rail mounted power supply for IMx-8/IMx-16Plus Universal AC input: 100 to 240 VAC (nominal) DC input range: 120 to 370 V DC Dimensions: 74 x 54 mm (2.91 x 2.13 in.) across/along the rail...

  • Page 51: Digital Inputs

    Four digital inputs, non-isolated, referenced to chassis/enclosure ground Accepts positive voltages: up to 24V ▪ Contact SKF for advice if the digital signal may exceed +27 V Trigger level: 2,9 V, Hysteresis 0,1 V, Impedance 1,6 kΩ • Can interface to: Common 2- or 3-wire speed sensors •...

  • Page 52: Digital Measurement

    Run cycle mode (repeated or cyclic captures) • Time waveform • Vector analysis with circular alarms • SKF enveloping filters I, II, III, IV FFT: 100 to 6 400 lines Integration/Differentiation in the frequency domain • Window function: Hanning •...

  • Page 53: Storage Capacity

    FCC Part 22H 917/RSS-132 sect. 5.5, FCC Part 24E 328/RSS-133, • FCC Part 25.53(h)/RSS-139 DNV GL Renewables certificate – valid only when the IMx-16Plus DIN rail version is mounted in an IP65 cabinet in a wind turbine that is built according •...

  • Page 54: Connector Details

    PRODUCT SPECIFICATIONS Connector details 3.3 Connector details 3.3.1 IMx-16Plus top end cap Table 5 IMx-16Plus top end cap connections Terminal Description ± for 24-48 V DC supply (connect to lower pair, see 2.3). Micro-SIM card slot (refer 2.5.4 for SIM card orientation)

  • Page 55: Imx-16Plus Bottom End Cap

    PRODUCT SPECIFICATIONS Connector details 3.3.2 IMx-16Plus bottom end cap Table 6 IMx-16Plus bottom end cap connections Terminal Description A1-A8 Analogue inputs 1 to 8 (Analogue, Ground terminals for each) Connect signal to A A9-A16* Analogue inputs 9 to 16 (Analogue, Ground terminals for each)

  • Page 56: Enclosure And Cabinet Mechanical Drawings

    3.2.1, for overall dimensions and further notes. 3.4.2 IMx-16Plus IP65 cabinets (optional) The SKF Multilog IMx-16Plus is usually housed within an IP65 cabinet. Two versions of these optional cabinets are available from SKF: CMON 4150: with a pre-drilled gland area...
  • Page 57 Important safety warning for IP rated cabinets: Always utilise all provided fixing points to secure the cabinet to the mounting surface. Figure 20 CMON 4150 cabinet with pre-drilled gland area SKF Multilog On-line System IMx-16Plus 57 (66) User Manual Revision Letter A...

  • Page 58: Mobile Data / Wi-Fi Antenna (Optional)

    An optional antenna is available under SKF part number CMON 4142. This is the same type of mobile data / Wi-Fi antenna used in the SKF Multilog IMx-Rail and the images shown in the figure below, show its usage there.
  • Page 59 (typically North American LTE). 3.6 GPS module (optional) The GPS module, CMON 4139, is connected to the IMx-16Plus via a 5-metre integral cable and should be fitted externally to the cabinet in a location that allows satellite tracking. An M12 cable gland is included. The overall dimensions and fixing centres are shown in the figure below.
  • Page 61 Electrical waste and electrical equipment should be recycled as specified by the WEEE-directive and not be placed in the general refuse. Product should be sent to an approved recycling centre for safe recycling, recovery, reuse or sent to SKF Sverige AB for proper recycling. SKF Sverige AB Aurorum 30 97775 Luleå...
  • Page 63 (WMCD), all Multilog Condition Monitoring of, or related to, any alleged deficiency in Units (CMU, TMU), Multilog Local any Product sold by SKF, even if such claim is Monitoring Units (LMU), all Multilog based on tort (including negligence or strict...
  • Page 64 Products warranted for five (5) years by SKF (30) months from the date the On-line are as follows: special seismic sensors. System is shipped by SKF to Buyer, two (2) years from the date the On-line System is LIMITED LIFETIME WARRANTY...
  • Page 65 Product furnished to Buyer by IN NO EVENT SHALL SKF BE LIABLE OR SKF, if the Product that was replaced is later OBLIGATED TO THE BUYER OR ANY determined by SKF to conform to this limited OTHER PERSON FOR SPECIAL, warranty.
  • Page 66 INDIRECT, GENERAL OR have failed of their essential purpose so long CONSEQUENTIAL DAMAGES as SKF is willing and able to perform to the (INCLUDING, BY WAY OF EXAMPLE extent and in the manner prescribed in this ONLY, LOST PROFITS OR SAVINGS, limited warranty.

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