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User Guide: Multilog2 Installation and Setup This manual contains important safety and operating information. Please read, understand, and follow the instructions in the manual and also any documents shipped with the device.
1. I NTRODUCTION The “Multilog2” is a multi-purpose data logger device. Several models are available. Please contact your sales representative for help with selection of an appropriate model for your application. HWM also provides a software tool, known as “IDT” (“Installation and Diagnostic Tool”) for logger setup and test.
1.2. S AFETY ONSIDERATIONS Before continuing, carefully read and follow the information in the “Safety Warnings and Approvals Information” document supplied with the product. This provides general safety information. Retain all documents for future reference. Before using this product, make a risk assessment of the installation site and expected work activity.
It is recommended to install and use the IDT app version whenever possible; it covers most types of HWM loggers. There are, however, a small number of situations where loggers or logger/sensor combinations that (at the time of writing) require the use of the IDT (PC) tool.
HYSICAL EATURES ONNECTOR DENTIFICATION The Multilog2 logger family is flexible in design and can be built to suit a variety of uses. It has a metal enclosure and is of a waterproof construction, using a seal to keep out water.
2.2. E XTERNAL ATTERY OPTION Most Multilog2 models have a connector that allows an External Battery to be connected. These provide the logger with additional power capacity. An example is shown in Figure 2. Various battery capacities are available. Always use HWM supplied batteries to ensure compatibility and safety.
Section 2.3 gave a description of logger operation that is available as standard on most Multilog2 logger models; The logger normally samples data at the set sample period, and records datapoints at the set log period. However, certain models offer options for making additional recordings (of logged data) at higher-than-normal sampling rates.
The recording will be made at a sampling rate of 1Hz or one of a selection of • higher frequencies, up to 25Hz. On Multilog2, up to two channels can be used. Each of these must be for a • pressure sensor. The sensors must be allocated to channel 1, or channels 1 & 2.
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A website with a generic data viewer can show data graphically, but only for one logger at a time, installed on one site. A website which can show a fleet of loggers, each having the same type of sensor, can often present data in a more meaningful way to the user, along with useful supplementary information (e.g., a map showing the logger locations).
A typical connector used for communications and its matching communications cable is shown in Figure 3. Figure 3. A typical Multilog2 COMMS connector and an example COMMS cable (with USB-A) The connector of the communications cable will only include the pins required for communications purposes.
2.8. C OMPLETING THE COMMUNICATIONS PATH For IDT to communicate with the logger, first select the appropriate cable and connect it to the COMMS connector of the logger, as described in section 2.7. The USB-A end of the programming cable should be used to connect to the IDT host by using one of the following methods: 2.8.1.
3. A CTIVATING THE OGGER AND OMMUNICATIONS The communications interface is always monitored for activity and the logger will usually respond, unless it is busy communicating to the cellular network. 3.1. L OGGER CTIVATION ROCESS FOR FIRST TIME USE When shipped from the factory, the unit is in ‘shipping mode’ (deactivated; not logging or calling in).
4. I NTERFACES AND ENSOR YPES UMMARY Note: Support for specific interfaces or functions vary and are dependent upon the model supplied. Sensors provide information for various physical parameters, and this information is transferred to the logger via an appropriate electrical interface. Each interface has associated logger settings for initiating the measurement and also to correctly interpret the numeric data obtained.
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The Multilog2 supports a variety of sensors and parameter measurements. Examples are given below: (Dependant on model number ordered). • Pressure. Examples: - Direct connection to an internal transducer (referred to as an ‘internal’ pressure sensor). - Electrical connector for a wired transducer (referred to as an ‘external’...
5. I NSTALLATION 5.1. S UMMARY OF NSTALLATION TEPS Check that an assessment of the work has been done and that any safety • measures are in place. (E.g., Safety precautions, protective clothing and/or equipment being used). Check the logger is suitable for use at the installation site. •...
For pressure sensors, electrically attach them but expose the sensor to the local • atmospheric pressure and re-zero them before commencing making a connection to the measurement point. Install (position and connect) the sensors at their measurement point. • Bleed any connections to water. •...
5.2.1. MOUNTING The Multilog2 can be secured to a wall using a suitable bracket, an example of which is shown in Figure 10. Ensure the wall and fixings used are able to bear the weight of the logger and cables attached.
A pressure input may be presented as an electrical interface, using a 4-pin or 6-pin MIL-Spec connector (see Figure 8 on page 12). Cabled pressure sensors for the Multilog2 are available from HWM. For most situations, sealed type pressure (or depth) sensors are used, and the sensor will be wired directly to the connector, as shown in Figure 12.
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Figure 12. Cabled pressure and depth sensors. The logger temporarily applies power to the sensor just before (and during) making a measurement. The logger interface will be labelled “Pressure (20 bar)” (or similar). The pinout of the connectors is shown below. Logger bulkhead connector pinout : 4-pin External Pressure V (+) ;...
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(see Figure 14). Use IDT to add the details from the calibration label on the cable into the logger using the guidance within the IDT user-guide. External Pressure input on logger. (Logger shown is not Multilog2) HWM pressure transducer will include a calibration details label.
The Multilog2 Flow inputs sometimes require two input signals in order to work with the meter-pulse signalling of certain meters. A pair of inputs can therefore sometimes be configured to operate as a single channel.
OGGER ULKHEAD ONNECTOR Multilog2 Flow signal inputs are presented on a 4-pin connector (see Figure 8 on page 12). Each connector has a pair of Flow signal inputs. The pinout of this connector is shown below: Logger bulkhead connector pinout : 4-pin Flow Inputs...
IGITAL SWITCH OPEN CLOSED Multilog2 Outputs are presented on a 3-pin connector (similar to Figure 7 on page 12). Up to four outputs can be supported. Each connector has a pair of outputs. The interface will be labelled as ‘Dual Output’.
The pinout of this connector is shown below: Logger bulkhead connector pinout : 3-pin Outputs Signal Output 1 Output 2 The logger does not supply any power to the output. The output takes the form of an electronic switch (transistor), which can either be open or closed. When closed, the current path or is between the output pin and ground.
In order to use the temperature sensor, calibration of the input is required. When ordered with a temperature sensor from HWM, the sensor will have the correct connector fitted for the Multilog2 logger. The logger input will also be factory calibrated for use with the supplied sensor.
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Installation of the magnetic type LNS sensor: The logger uses the sensor to listen to sounds produced from the pipe network. It then uses special algorithms to judge whether a leak is likely to be present nearby. The audio sensor within the LNS unit is attached to the outside of the pipe network for use, usually using a magnet to attach it to a metal pipe asset (hydrant or valve) within...
The logger may be constructed with a 4-pin connector (see Figure 7, on page 12) for connection of a sensor which employs an output voltage level as a method of signalling. Both a 0-1V and a 0-10V input interfaces are available on Multilog2 but must be specified at the time of ordering.
A wide variety of sensors are available with this interface. When ordered from HWM, the sensor will have the correct connector fitted for the Multilog2 logger. The installer will have to use IDT to confirm or adjust the settings of the logger to correctly scale and interpret the physical parameters the sensor is used to detect.
When ordered from HWM, the sensor will have the correct connector fitted for the Multilog2 logger. The installer will have to use IDT to confirm or adjust the settings of the logger to correctly scale and interpret the physical parameters the sensor is used to detect.
When ordered from HWM, the sensor will have the correct connector fitted for the Multilog2 logger. In addition, the sensor type will have been tested with the logger to confirm compatibilty for use to obtain certain measurements. However, this may require selecting a specific driver for the sensor within IDT.
When ordered from HWM, the sensor will have the correct connector fitted for the Multilog2 logger. In addition, the sensor type will have been tested with the logger to confirm compatibilty for use to obtain certain measurements. However, this may require selecting a specific driver for the sensor wihin IDT.
When ordered from HWM, the sensor will have the correct connector fitted for the Multilog2 logger. In addition, the sensor type will have been tested with the logger to confirm compatibilty for use to obtain certain measurements. However, this may require selecting a specific driver for the sensor wihin IDT.
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Surface mounted to a cabinet or post, pointing upwards. • Embedded into the upper face of a suitably machined chamber lid, again pointing • upwards. When fitting the antenna to a chamber lid, the lid is required to have a recess drilled out to accommodate the body of the antenna.
5.18. A NTENNA ELLULAR COMMUNICATIONS An antenna should be selected to suit the available space in the chamber, allowing some space for it to be re-positioned (if required). Only use HWM-provided antenna with your logger, to ensure the radio interface meets approvals requirements (safety, etc).
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Try to avoid placing the antenna in a location where it can be flooded. If this is unavoidable, then place it where the risk is at its minimum. For equipment that is installed in a chamber below ground level, the antenna should be placed above ground level if possible.
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Troubleshooting a Call Test failure There are a number of reasons why a Call test may fail. The following points should be checked before calling HWM support for assistance: Possible Problem Solution Network Busy due to excessive traffic. Commonly Retry the test after a few minutes. occurs around schools and at peak travel times.
6. T ROUBLESHOOTING Any issues should consider all parts of the system (IDT, the user, the logger, sensors, the cellular network, and the server). General checks: Initial checks to be made during a site visit include: Check if the version of IDT you are using (IDT app for mobile devices / IDT for •...
7. M AINTENANCE ERVICE AND EPAIR Unauthorised servicing will void the warranty and any potential liability for HWM-Water Ltd. 7.1. C LEANING Note the safety warnings that are applicable to cleaning. The unit may be cleaned using a mild cleaning solution and a damp soft cloth. Always keep connectors free of dirt and moisture.
Historically, setup of Multilog2 loggers was undertaken using the IDT (PC/Windows) tool. Setup of most Multilog2 logger functions for Pressure and Flow channels and the most commonly used alarm types has recently been introduced to the IDT (mobile app) tool.
9. A 2: C PPENDIX OMMUNICATING TO LOGGER VIA Note: This facility was used mainly with loggers using the 2G and 3G network. Loggers using 4G modems do not use this feature. Some networks or service providers or SIM cards do not have SMS messaging available.
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There can be delays in the SMS network, so the response to your message may not be immediate. If you have had no response in 10 minutes, re-open the chamber and using the modem diagnostic send yourself a test SMS. If this gets through, then improve the location of the antenna and try again.