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MILLENNIUM II
Multi-Channel Transmitter
User Manual
Single or Dual Channel
P Pa ar rt Nu t Nu mber mbe: MAN r: MAN -00 -00 7676 Re Rev Apr v 05 l
December 07, 2012
2008
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IMPORTANT INFORMATION This manual is for informational purposes only. Although every effort has been made to ensure the correctness of the information, technical inaccuracies may occur and periodic changes may be made without notice. Net Safety Monitoring Inc., assumes no responsibility for any errors contained within this manual. If the products or procedures are used for purposes other than as described in the manual, without receiving prior confirmation of validity or suitabilit
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TABLE OF CONTENTS IMPORTANT INFORMATION ...................................................................................................................................................... 2 WARRANTY ...................................................................................................................................................................................... 2 CONTACT INFORMATION ......................................................................................
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4.2.8 Select Display Language ................................................................................................................................................. 30 4.2.9 MODBUS Setup ............................................................................................................................................................... 30 4.3.0 Setup Current Date ..............................................................................................................
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INTRODUCTION Building on the outstanding legacy of the Millennium Series, Net Safety’s latest innovation in this line of continuously evolving industrial transmitters and sensors, the Millennium II, pushes the boundaries of what you can expect from your detection system. Combined with state of the art “Smart” sensors, users will receive a detection system which is both versatile and reliable for fast, accurate and continuous monitoring of gases in extreme environments. THE PRODUCT TR
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Enclosure Dimensions The Millennium II Transmitter enclosure is available in Aluminum (AL6061) and Stainless Steel (SS316). Dimensions are in inches and millimeters. Figure 1: Transmitter Enclosure Dimensional Drawing * M20, ½” NPT, & ½” BSP threads also available 6 MAN-0076 Rev 05 Millennium II December 07, 2012 Net Safety Monitoring Inc
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SECTION 1: Installation 1.1 Unpack Carefully remove all components from the packaging and check them against the enclosed packing list. Inspect all components for obvious damage such as broken or loose parts. If you find any components missing or damaged, notify the representative or Net Safety Monitoring, immediately. 1.2 Mounting Ensure transmitter and sensor are securely mounted, taking into consideration all requirements. Sensors may be installed directly to transmitters or
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1.2.2 Transmitter electronics module and Relay options The transmitter electronics module may be equipped with 4 electromechanical relays or 4 solid-state relays which are mounted to the main terminal board via plastic standoffs. Relay boards are field replaceable by simply unlocking the plastic standoffs with a small flat head screw driver. Remove relay board after unlocking standoffs, insert the replacement relay board, and then lock the plastic standoff with the screw driver. See F
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1.2.3 Rotating electronics module relative to enclosure and conduit entries The electronics module consists of the relay board and faceplate (Display/CPU assembly) with main terminal board. To rotate the electronics module, follow these instructions: 1. Turn off power to transmitter and ensure area is de-classified. 2. Remove the enclosure cover. 3. Unscrew both the locking knobs and free from two metal standoffs. 4. Lift transmitter faceplate from enclosure. 5. Disconnect existi
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SECTION 2: Wiring and installation 2.1 Field Installation Warning Wiring codes and regulations may vary. ATEX requires that supply connection wiring must be rated at least 5°C above the maximum ambient temperature of 85°C. Wiring must comply with all applicable regulations relating to the installation of electrical equipment in a hazardous area and is the responsibility of the installer. If in doubt, consult qualified personnel before wiring the system. Warning Do not open the tr
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It is the responsibility of the installer to install conduit seals where necessary, and to design conduit runs to ensure that condensation does not accumulate and collect inside the enclosure. 2.1.2 Cable choice and guidelines Radio Frequency Interference (RFI) can be caused by nearby electrical devices (transformers, high voltage equipment) as well as handheld communications devices/radios, which when activated, may impede the proper functioning of the transmitter and sensor. Selecti
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Armored Cable preparation procedure: 1. Prepare the armored instrument cable as illustrated in Figure 5 and follow all assembly and/or preparation instructions provided by the cable and/or cable gland manufacturer. 2. Install cable gland and reducer onto the cable. 3. Ensure four (4) inches of wire length is available for connecting to terminals inside the junction box. 4. Use a small flat head screw driver when connecting wires to connector terminals. See Figure 6. 5. Connect sensor w
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Warning Before wiring, ensure that power to transmitter is switched off. When connecting cable wires, use a small screwdriver to gently press down and hold the spring connector open. Insert the appropriate wire into the open connector hole, releasing the screwdriver to secure the wire. See Figure 6. Figure 6: Connecting wires Warning Avoid touching electronic components, as they are susceptible to electrostatic discharge (ESD). Refer to Appendix A, “Electrostatic Sensitive De
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2.1.4 Remotely mounted sensors jumper configuration Sensor separation from the transmitter may extend up to 2000 feet in which case a junction box is required. When mounting sensor remotely (separating sensor from transmitter), Jumpers JP1 and JP2 should be installed over the pins. Jumpers and pins are located on the main terminal board near the sensor terminals. JP1 is for channel 1 and JP2 is for channel 2. Refer to Figure 8. Figure 8: Separation Jumpers positions
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2.1.5 Sensor and Transmitter terminals Warning Before wiring, ensure power to the unit is switched off. Connect the sensor wires to the sensor terminals of the transmitter and connect the transmitter’s power and output terminals to the wiring leading to the Power source/panel. Refer to the configuration tables below for sensor as well as transmitter power and output terminal designations. Table 1: Sensor and Transmitter Terminals Sensor Terminals Transmitter Power Terminals Senso
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2.1.6 Remote Reset If the alarm relays are configured for latching operation it may be desirable to reset latched alarms from a remote location. In this case a normally open, momentary push-button switch may be connected across terminals RST and COM. Figure 10: Remote Reset wiring 2.1.7 Sensor Separation/ Remote mounting of sensor When necessary to mount sensor
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2.1.8 Wiring drawings Wiring drawings show general ways in wiring the system for analog signal output. Consult qualified personnel on specific wiring requirements. Figure 12: Non-isolated terminal connection 17 MAN-0076 Rev 05 Millennium II December 07, 2012 Net Safety Monitoring Inc
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Figure 13: Isolated terminal connection 18 MAN-0076 Rev 05 Millennium II December 07, 2012 Net Safety Monitoring Inc
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2.1.9 Installation Checklist Prior to operation, it is important to do the following checks. Ensure transmitter and sensor are properly and firmly mounted. Ensure that the enclosure certified stopping plug is tightened to unused conduit entry/opening, to maintain ingress protection and flameproof type protection. Ensure transmitter and sensor are not being obstructed; transmitter and sensor are accessible and target gas is not inhibited from reaching sensor. Remove sens
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SECTION 3: Transmitter and faceplate description 3.1 Transmitter Power Up After power is applied to the transmitter, a warm-up routine will begin, the duration of which depends on the sensor type. The display will indicate the sensor warming up and the Status LED will flash Slow Red and current output will be 3.0mA. After the warm-up period, the transmitter will enter normal operation and the screen will display: “Channel 1 00 %LEL (or PPM), Channel 2 00 %LEL (or PPM).” For dual
