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Figure 2-3 Wiring diagram showing the current loop supply powered by the instrument supply Figure 2-4 Wiring diagram showing the current loop powered by an external supply 401-405 SERIES - 8 -
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2.1.1.2. Voltage output If the flow meter is configured for a voltage output, the signal will be available as a positive potential on pin 4 relative to pin 3 of the terminal strip. Since these pins are galvanically isolated, the signal cannot be read by an indicator between pin 4 and pin 1 of the terminal strip. Pin 3 must be used as the return to properly read the output on pin 4. If an output that is referenced to power supply common is desired then pins 3 and 1 must be connected. It
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half or full duplex; and jumper 5 is enabled when a hardware override of the baud rate (forcing it to 9600) is desired. These functions are summarized in Figure 2-6. 2.7.2. RS-485 If RS485 is specified on the order, the flow meter is set to the default values: address 61, unterminated Tx and Rx lines. While the default address is 61, all instruments will respond to an address of FF. Hardware settings for RS-232 and RS-485 are enacted on 12 pin jumper field located on the left end of t
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Since the alarms act as switches they do not produce a voltage or current signal. However, they can be used to generate a voltage signal on an Alarm Out Alarm 1 line. This is done by connecting a suitable pull-up resistor between an external voltage supply and the desired alarm line while connecting Alarm Common to the common of the power supply. When activated, the alarm line voltage will be pulled toward the alarm Alarm 2 common line generating a sudden drop in the signal line vo
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2.2. Rotary Gas Selector Record# Gas The Hastings 400 Series flow meters can have up to eight different calibrations 0 Nitrogen stored internally. These are referred to as gas records. These records are used to select different gases, but they can also be useful in other ways; for instance 1 Air reporting the flow in an alternate range, flow unit or reference temperature. 2 Helium The records are referred to by their number label from #0 – #7. 3 Hydrogen 4 Argon The first six records
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TELEDYNE
HASTINGS
INSTRUMENTS
INSTRUCTION MANUAL
HFM-I-401 AND HFM-I-405
INDUSTRIAL
FLOW METERS
ISO 9001
CER T IFIED
- i -
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Manual Print History The print history shown below lists the printing dates of all revisions and addenda created for this manual. The revision level letter increases alphabetically as the manual undergoes subsequent updates. Addenda, which are released between revisions, contain important change information that the user should incorporate immediately into the manual. Addenda are numbered sequentially. When a new revision is created, all addenda associated with the previous revision of
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VSUP - VSUP + A OUT - A OUT + A IN + A IN - DCOM ZERO ALARM1 ALARM2 ALARM - Qui ck Sta rt Inst ruc tion s General Information Connect dry, clean gas and ensure connections are Connect Cable for power and analog signal output. leak free. Check that electrical connections are correct. Replace front cover and cable feed-through ensuring (See diagrams below) gasket is seated and fasteners are secure. 12 1 Terminal Strip PINS RS232 RS485 ETHERNET SHIELD GROUND GROUND GRO
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401-405 SERIES - iv -
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401-405 SERIES - v -
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CAUTION This instrument is available with multiple pin-outs. Ensure electrical connections are correct. CAUTION The 400-I series flow meters are designed for IEC Installation/Over voltage Category II – single phase receptacle connected loads. The Hastings 400 Series flow meters are designed for INDOOR and OUTDOOR operation. NOTE CAUTION In order to maintain the integrity of the Electrostatic Discharge immunity both parts of the remote mounted
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Table of Contents GENERAL INFORMATION.....................................................................................................................................1 1. GENERAL INFORMATION ....................................................................................................................................1 1.1. OVERVIEW......................................................................................................................................................1 1.
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5. WARRANTY......................................................................................................................................................23 5.1. WARRANTY REPAIR POLICY.........................................................................................................................23 5.2. NON-WARRANTY REPAIR POLICY................................................................................................................23 APPENDICES..........................
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1. General Information 1. General Information 1.1. Overview 1.1.1. 400 Series Family The Hastings 400 Series is a family of flow instruments which is specifically designed to meet the needs of the industrial gas flow market. The “I” family in the 400 Series features an IP-65 enclosure which allows the use of the instrument in a wide variety of environments. The 400 I products consist of four configurations: a flow meter, HFM-I-401, which has a nominal nitrogen full scale between 10 SL
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• A digitally reported status of alarms and warnings such as overflow/underflow • A flow totalizer to track the amount of gas added to a system • A digitizing channel for an auxiliary analog signal • An internal curve fitting routine for “fine tuning” the base calibration • An alternate calibration set of 8 different ranges/gases 1.2. Specifications WARNING Do not operate this instrument in excess of the specifications listed below. Failure to heed this warning can result
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Mechanical Fittings Standard: 1/2" Swagelok Standard: 1" Swagelok Optional: ½" VCO®, ½" VCR®, ¾” Swagelok, Optional: 1" VCO®,1" VCR®, ¾” Swagelok, , 10mm Swagelok, 3/8" male NPT, ½” male NPT 1" male NPT, ¾” male NPT, 1 5/16"-12 straight 12mm Swagelok, ¾"-16 SAE/MS straight thread thread -8 -8 Leak Integrity < 1x10 sccs He < 1x10 sccs He Wetted Materials 316L SS, Nickel 200, 302 SS, Viton® 316L SS, Nickel 200, 302 SS, Viton® Weight (approx.) 12 lb (5.5 kg) 18 lb (8
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2. Installation 2. Installation CAUTION Many of the functions described in this section require removing the enclosure front plate. Care must be taken when reinstalling this plate to ensure that the sealing gasket is properly positioned and the fasteners are secure to maintain an IP65 compliant seal. 2.1. Receiving Inspection Your instrument has been manufactured, calibrated, and carefully packed so it is ready for operation. However, please inspect all items for any obvious signs
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2.4. Mounting the Electronics Remotely In order to maintain the integrity of the Electrostatic Discharge CAUTION immunity both parts of the remote mounted version of the HFM- I-400 instrument must be screwed to a well grounded structure. The ferrite that is shipped with the instrument must be installed on the cable next to the electronics enclosure. The electronics enclosure can be separated and relocated up to 30 feet away from the flow meter base. This requires a cable which is
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There are two possible connection methods to the analog terminal strip. The standard method is by inserting a cable through the supplied cable gland with an external jacket that meets the specifications of the following caution note and tightening down the cable gland nut securely to seal against the cable jacket. There is also an optional sealed circular connector that may be ordered with the instrument. If this connector is ordered the internal terminal board will be connected to pins
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the range of 5-28 Vdc from a source external to the flow meter. The loop supply can be the same supply as that for the instrument power or it can be an isolated loop supply. Figure 2-3 shows a typical setup using the same supply. This method requires a jumper from pin 2 to pin 4 on the terminal strip while connecting pin 3 to a wire that carries this signal to the indicator (for example, a process ammeter, data acquisition system, or PLC board). To complete the current loop, another wire
