OLIVER Table of Contents Specification CE Declaration Overall Dimensions Who Should Use This Manual Interface Wiring Gas detection systems form part of an overall site safety scheme. As Highway Hub Overview such they must be installed Relay Card Overview commissioned and maintained by competent persons, failure to do so Relay Card Setup may compromise the overall safety...
OLIVER This product must be earthed in accordance with local safety regulations. The Control Panel leaves the factory configured for the supply voltage stated on the customers order. Standard options are indicated below. Should the control panel be used in conjunction with portable generating equipment, care should be taken to ensure that the electrical supply is within the tolerance band described above.
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The equipment listed above conforms to the requirements of the EMC directive. Standards Applied BS EN 61000-6-4 2001 BS EN 61000-6-2 1999 EN61010-1: 2001 Oliver IGD Limited operate an ISO9000 Quality System which incorporates the requirements of the directive. Signed Andrew Collier. Director...
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240.0 RESET System Reset S CO RS485 to HUB Connection to First System Hub 0518 RS485 to HOST OLIVER IGD or HMI PANEL www.oliver-igd.co.uk Connection to Other HMI Panel/PC Hub Connector: RS 485 to Host Connector: Din Rail Terminals (example)
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OLIVER Tocsin 920 Highway Hub Overview Direct Digital Input Port These LED's flash to indicate communication to Tocsin 920 controller Highway Port LED's Note these LED's Hub Connector Tocsin 920 Panel will flash when data is being Pin 1 24V DC received from the Pin 2 detectors.
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OLIVER Tocsin 920 Highway Hub Single Ended Cable Operation Detector Highways Pin 1 24V DC Pin 2 Comm B Pin 3 Comm A Pin 4 0V DC First Highway on Card Cable Guidance Panel If only one hub card then this is cable 1 It is imperative to use cabling which suits the environment in which the T920 and its sensors are to be used.
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OLIVER Tocsin 920 Highway Hub Single Ended Cable Operation Tocsin 920 Highway Hub Single Loop Back Cable Operation In this example detectors are installed onto Cable 1 (highway 1). They are then wired back to the hub to Cable 2. The Tocsin 920 will primarily communicate on cable one.
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OLIVER Tocsin 920 Addressable Relay Card In all Cases: Relay contact ratings. 7A @ 250V AC Non-Inductive 7A @ 30V DC Non-Inductive Power out for 0V DC Spike suppression must be fitted use in conjunction 24V DC Note that FAULT relays are normally with relays energised on power up.
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OLIVER Tocsin 920 Addressable Relay Card Setting Relay Addresses Each Addressable relay card must have its own unique base address. This can be set on the card and is indicated below. The relays are then addresses/numbered from that base address. The example below shows a card with a default base address of 4200 DOWN BUTTON UP BUTTON...
OLIVER Tocsin 920 Addressable Cable Systems. This example block diagram shows a Tocsin 920 19" rack unit connected to two external highway hubs, two 8 way relay cards, one S CO two way relay card and three addressable gas detectors. This block diagram shows typical addressing and port numbering.
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OLIVER Tocsin 920 Addressable Cable Systems Continued..This example block diagram shows a Tocsin 920 19" rack unit connected to one external highway hub and two gas detectors. S CO In this example the two gas detectors are locally powered which means that a three core cable can be run back to the highway ADVANCED GAS DETECTION SYSTEM hub.
OLIVER Operating System On powering of the system, there is an initial count down to allow detectors time to stabilise. This period can be configured in the engineers menu options to suit particular applications. During this warm up period all alarms are inactive. After the countdown period the system goes into normal monitoring operation.
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OLIVER System Display When in Alarm If beacons and sounders are connected using 107 series relay nodes then the sounders can be muted. Note there are selections to mute all connected 107 series sounders or just the 107 series sounder that corresponds to this channel. Note that if alarms are set as latching there are also options to try and reset just this channel or all channels that are in alarm.
OLIVER System Menu Access and Options The Tocsin 920 operating system has two access levels for set up and maintenance functions. The basic menu layout is indicated on the diagram below. USER MENU (CODE 100) Menu options as: ZERO SENSOR CALIBRATE SENSOR Note that the User Menu items are repeated on ALARM LEVELS...
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OLIVER Operational Set up Philosophy The Tocsin 920 controller forms the operational core of an addressable gas detection system. ALL elements of the system such as detectors, highway hubs, relay outputs etc have addresses on the system. During set up and commissioning the inputs and outputs to and from the Tocsin 920 are defined with their addresses.
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OLIVER The Engineer Menu (Passcode 50) Select Engineer Mode and enter pass code 50 The following menu is then displayed Select the tab at the top of the folder to access each section. Note that the sensor tab is displayed with its page options by default.
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OLIVER The Sensor Setup Tab Select the sensor channels option to set the number of active channels The Sensor FIND Function The sensor FIND function is used during initial set up of the system to test that all connected detectors communicate to the control panel. The function can also be used to automatically install onto the panel all of the detectors which are 'found'.
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OLIVER The Sensor FIND Function..Automatic Install You have the option now to either manually set up system alarms or allow the system to set alarm to defaults. These can be globally set then as AL1 at 20% of detector range AL2 at 50% of detector range AL3 at 100 % of detector range The system now...
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OLIVER The Sensor Setup Menu Select gas FLAMM, CO, Tap here to enter the on screen tag for the detector (max 32 characters) CO2 etc For this channel enter the Enter the address which UNITS to is to relate to display.
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OLIVER The Sensor Test Function The sensor comms test function is a diagnostic check which provides information regarding the ability of the Tocsin 920 controller to communicate to all its connected detectors. When sensor test is selected the following diagnostic screen is displayed. The display shows eight sensor channels at a time.
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OLIVER Sensor Diagnostic Functions..Sensor Health Check...Individual Channel From the sensor diagnostic screen selecting sensor check will initiate a health check of the currently displayed detector. The checking algorithm checks for reported faults and also that calibration and zero voltages are in line with detector ranges and gas concentrations used for calibration. A typical screen shot is indicated below.
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OLIVER Sensor Diagnostic Functions..Sensor Health Check...Global In addition to the individual sensor health check the system can perform a global health check across either a range of connected detectors or all connected detectors. Sensor check is selected as an option from the main engineers Menu. The following screen is then displayed Once run the option will check all connected detectors using the same algorithms employed in the individual...
OLIVER Sensor Diagnostic Functions..Diagnostics The sensor diagnostics function provides a snapshot of an individual sensor channel for evaluation should there be a problem. The screen shot below is indicative of the information typically available. The Live Data Panel Conc Live gas concentration from the detector Volts Gas reading as a voltage from the detector Pink...
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OLIVER The Relays Tab The Relay Channels Function Select the relay channels option to set the number of active relays on the system The Relay FIND Function This function is similar to the sensor FIND function and is used to detect addressable relays installed onto the data highways.
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OLIVER The Relay Diagnostics Function Current relay address and highway (cable) on which it is located Select the relay number you wish to diagnose. Note that relay numbers (1 to x) are set up against addresses (eg 4200) in the order they are found or in the relay channels menu.
OLIVER Relay Test Function The Tocsin 920 has the option to run a relay test function. Select the option and the following screen is displayed. Select the relay to test to see it change its state Note the relays address is indicated Use EXIT to return to the main menu and...
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OLIVER The Alarms Tab The Alarm Levels menu The Tocsin 920 allows 3 alarm levels to be set per sensor channel. This is set up in the alarm levels menu selection and is indicated in the screen shot shown below. Set the alarm levels for AL1, AL2, AL3 Set alarm levels to...
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OLIVER The Alarm Relay Setup Menu The alarm relay setup on the Tocsin 920 controller is based on the relay rather than the detector/channel. For each relay output connected on the system the following set up page must be configured to allow the system to determine when a relay is triggered. Set the alarm relay TYPE as: Set the Relay Address DISABLED...
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OLIVER The Calibration Menu 1. Sensor Zero Select this option to Zero a particular sensor. The expected sequence will be: Select ZERO SENSOR function Select the channel to ZERO Flow zero gas at the sensor and allow to stabilise Select to ZERO Observe the result See enclosed Zero-Cal Data 2.
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NITROGEN The following diagram shows a typical equipment set up. Regulator to deliver a fixed flowrate (0.5-1 L/min) P Y W CHASS 24V DC Oliver IGD P/N 5022001 CONC Cal Gas Adaptor Ensure it is correctly ZERO fitted Hose delivers cal gas to the detector. Note a test gas applicator is usually required.
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OLIVER The Sensor ZERO Function..continued Select the Zero function from the Engineers menu and the following screen is displayed. Flow zero gas and observe the reading. Once stable select the ZERO button to send the zero command to the detector head. Observe the ZERO reading to ensure it has returned the detector to zero reading.
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OLIVER The Sensor CALIBRATE Function..continued Calibration is a similar process to the ZERO command and also requires a suitable calibration gas. Note that with calibration there is more to consider than with Zeroing. The type and age of the detector can have an influence so it is recommended that periodically as well as calibrating the detectors that there response is checked in the diagnostic menu.
OLIVER The Sensor ONE MAN CALIBRATION Function This function allows one person to calibrate a sequence of detectors by selecting the function then applying gas to each detector in turn for 3 minutes. The Tocsin 920 monitors the signal from the detectors and performs the calibration automatically once it sees a valid steady reading.
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OLIVER The Sensor ONE MAN CALIBRATION Function continued..Example 1 of one man calibration setup parameters Settle % applied to the average reading over the set settling period Max Conc. Bottle Settle % + Min Conc. Settle % - Detector calibrates once the settling time expire, it is inside the Min-Max concentration limits and also...
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OLIVER Example 3 of one man calibration setup parameters Max Conc. Bottle Min Conc. In this example the signal never stabilises so the % function never operates and the system does not calibrate. Settling Time (s) Typical screen displays during calibration. Although the person calibrating will not see the automated actions that the Tocsin 920 undertakes during calibration anyone observing will see the following sequence taking place as gas is applied to detectors.
OLIVER GSM Functions and Operation The Tocsin 920 controllers can be fitted with a quad band GSM module. This allows remote access and reporting to and from the system. For example weekly reports can be emailed to specified addresses from the system for such functions as the sensor check report.
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OLIVER GSM Functions Set Up Follow this set up sequence to configure the GSM modem for operation. Ensure the GSM module is connected as indicated in the previous drawing but do not mount until the signal strength status has been checked. Select System Settings and ensure the Modem Option is set to ENABLED From the GSM Tab Select GSM Test This diagnostic page provides...
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OLIVER GSM Functions Set Up Select GSM Set up to run through the set up configuration screens as follows Set up the site location (this appears on reports etc). The GSM number and IP address marked on the supplied module In set up page 2 you can set up to 5 telephone numbers for SMS alerts and 5 email addresses.
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OLIVER GSM Functions Set Up Page 4 of the GSM set up determines for the system sensor check report the frequency it is run at and which email address gets the automated report at the interval set. Page 5 of the GSM set up determines for the gas values report the frequency it is run at and which email address gets the...
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OLIVER Saving and Re-loading the control panel setup The Tocsin 920 system has the ability to save the complete system set up to a USB pen drive or alternately to upload a new or saved setup from a pen drive to the system. This allows a backup of the set up to be taken and similarly if a duplicate control panel or replacement is required the set up can be quickly uploaded.
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OLIVER Recommended control panel setup sequence. It is recommended to follow the set up sequence below when configuring and installing a control panel from new. Set the Number of Required Channels. Engineers Menu ..Sensor Channels Option Set the total number of relay outputs. Engineers Menu ..Relay Channels Option..For relay cards and 107 modules check the set addresses are as required.
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