Layout 6 Manual Transducers G2 T2
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G2 ELECTRICAL TERMINATIONS AND WIRING G2 ELECTRICAL TERMINATIONS AND WIRING DEUTSCH DT SERIES DT04-3P Voltage Output Common Output V+ 4-20mA Output* V– V– V+ Mating Cable Color Black White Red 3 (A) 2 (C) 1 (B) Wire Length DIN 43650 FORM C (EN 175301-803-C) ELECTRICAL TERMINATION (DC), (N1), (N2), (N3), (N9) 1 Mates to Hirschmann P/N: GSSNR 300, Ashcroft P/N 300A126-01 * Use either V- termination on G2 with 4-20mA output Pin No. 1 2 3 Voltage Output V+ Common Output 4-20mA Mating Output* Cable Color V+ Red V– Black White IP65 Ingress rating V out 3 Pin 3 4-20mA Mating Output* Cable Color V+ Red Case Grd. Green Pin 4 V– Black V– White IP67 Ingress rating Mates to optional Amphenol Bendix connector PTO6A-84-SR or equal Pin Voltage No. Output A V+ B Output C Case Gnd. D Common 4-20mA Mating Output* Cable Color V+ Red None White Case Gnd. Green Common Black IP65 Ingress rating 2 Vs- T2 ELECTRICAL TERMINATIONS AND WIRING M12 ELECTRICAL TERMINATION FOR T2 (EW), (EO), (E2), (E1) Mates to optional Hirschmann connector Part 933 172-100 or equal Pin Voltage No. Output 1 V+ 2 Case Grd. 3 Common 4 Output 4-PIN BENDIX STYLE ELECTRICAL TERMINATION (B4), (H1), (L1), (P2) 1 (27) 1.06 IP67 Ingress rating Mates to optional Hirschmann connector Part 933 172-100 or equal 4-20mA Mating Output* Cable Color V+ Red Common Black None White Case Gnd. Green Connection - PIN Vs+ * Use either V- termination on G2 with 4-20mA output M12 ELECTRICAL TERMINATION FOR G2 (EW), (EO), (E2), (E1) Pin Voltage No. Output 1 V+ 2 Common 3 Output GND Case Gnd. 23 (6) 2 SHIELDED CABLE, PVC JACKET, 24AWG LEADS Wire Voltage 4-20mA Color Output Output* Red V+ V+ Black Common V– White Output V– Bare** Shield Shield Drain Wire Drain Wire Mates to optional Hirschmann connector GDM 3009 or equal IP65 Ingress rating 3 Mating Cable Color Red Black White DIN 43650 FORM A (EN 175301-803-A) ELECTRICAL TERMINATION (DN), (DO), (D2), (D1) .95 (24) DEUTSCH DTM SERIES DTM04-3P 4-20mA Output* V+ V– V– 4-20mA Output* V+ V– IP67 Ingress rating * Use either V- termination on G2 with 4-20mA output Pin Voltage No. Output 1 V+ 2 Common 3 Output FLYING LEADS 18AWG Voltage Wire Output Color V+ Red BlackCommon V – White Output 1.76 (45) Pin No. 1 (B) 2 (C) 3 (A) T2 ELECTRICAL TERMINATIONS AND WIRING Pin 2 KEY Pin Voltage No. Output 1 V+ 2 Output 3 Case Gnd. 4 Common 4-20mA Mating Output* Cable Color V+ Red None White Case Gnd. Green Common Black SHIELDED CABLE, PVC JACKET, 24 AWG LEADS, TERMINATION (F2), (P1) Wire Voltage 4-20mA Color Output Output Red V+ V+ White Output None Black Common Common Green Case Gnd. Case Gnd. Bare** Drain Wire Drain Wire IP65 Ingress rating WARNING! READ BEFORE INSTALLATION 1. GENERAL: A failure resulting in injury or damage may be caused by excessive overpressure, excessive vibration or pressure pulsation, excessive instrument temperature, corrosion of the pressure containing parts, or other misuse. Consult Ashcroft Inc., Stratford, Connecticut, USA before installing if there are any questions or concerns. 2. OVERPRESSURE: Pressure spikes in excess of the rated overpressure capability of the transducer may cause irreversible electrical and/or mechanical damage to the pressure measuring and containing elements. Fluid hammer and surges can destroy any pressure transducer and must always be avoided. A pressure snubber should be installed to eliminate the damaging hammer effects. Fluid hammer occurs when a liquid flow is suddenly stopped, as with quick closing solenoid valves. Surges occur when flow is suddenly begun, as when a pump is turned on at full power or a valve is quickly opened. Liquid surges are particularly damaging to pressure transducers if the pipe is originally empty. To avoid damaging surges, fluid lines should remain full (if possible), pumps should be brought up to power slowly, and valves opened slowly. To avoid damage from both fluid hammer and surges, a surge chamber should be installed. Symptoms of fluid hammer and surge's damaging effects: • Pressure transducer exhibits an output at zero pressure (large zero offset). • Pressure transducer output remains constant regardless of pressure • In severe cases, there will be no output. IP65 Ingress rating Pin 1 ** Where shielded wiring is being used; Connect the drain wire to the guard terminal on the read out device or measuring instrument if available. In all other cases connect to the ground of the power supply negative terminal. © 2011 Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA, Tel: 203-378-8281, Fax 203-385-0402 www.ashcroft.com All sales subject to standard terms and conditions of sale. All rights reserved. I&M011-10129 03/2011 Rev. 10/2012, 07/13 6 G2 & T2 PRESSURE TRANSMITTER INSTRUCTION SHEET 8 FREEZING: Prohibit freezing of media in pressure port. Unit should be drained (mount in vertical position with electrical termination upward) to prevent possible overpressure damage from frozen media. * Use either V- termination on G2 with 4-20mA output 1 • When disconnecting, remove the ground LAST! Note: The shield and drain wire in the cable (if supplied) is not connected to the transducer body, and is not a suitable ground. DESCRIPTION The Ashcroft Model G2 and T2 pressure transducers are high performance instruments intended for use in industrial applications where the process media is compatible with the 17-4PH stainless steel sensor material and the 304 SS process connection. MECHANICAL INSTALLATION Environmental The G2 and T2 transducers can be stored and used within the temperature limits of –40°C to 125°C (-40°F to 257°F). Ingress protection ratings of the units are dependent on the electrical termination specified. Refer to the wiring diagrams on the reverse for the IP rating of the unit which is being installed. Mounting The G2 and T2 transducers require no special mounting hardware and can be mounted in any orientation with negligible position error. Although the units can withstand considerable vibration without damage or significant output effects, it is always good practice to mount the transducer where there is minimum vibration. For units with NPT type pressure fittings apply sealing tape or an equivalent sealant to the threads before installing. When instal-ling or removing the unit apply a wrench to the hex wrench flats, located above the pressure fitting. DO NOT tighten by using a pipe wrench on the housing. A 27mm (11⁄16˝) wrench can be used on the wrench flats of the hex. For G2 models with detachable electrical connectors a 6 point deep socket can also be used to install the unit. Electro-Magnetic Interference The circuitry of the G2 and T2 transducers is designed to minimize the effect of electromagnetic and radio frequency interference. To minimize susceptibility to noise, avoid running the termination wiring in a conduit which contains high current AC power cables. Where possible avoid running the termination wiring near inductive equipment. Field Adjustments The G2 and T2 transducers are precisely calibrated and temperature compensated at the factory to ensure long and stable performance. There are no field accessible adjustments on the G2 or T2 transducers. ELECTRICAL INSTALLATION Please refer to the reverse of this page for power supply requirements and for appropriate wiring protocol based on the particular output signal and electrical terminal. G2 & T2 ELECTRICAL INSTALLATION Wiring Diagrams (see following pages for further detail) G2 & T2 ELECTRICAL INSTALLATION (cont.) Power Supply Requirements: Output Signal Ratiometric* (0.5V to 4.5V) 0-5Vdc 1-5Vdc 1-6Vdc 0-10V 0.5-4.5Vdc 4-20mA** Min Supply Max Supply 4.5Vdc 5.5Vdc 9Vdc 9Vdc 9Vdc 14Vdc 9Vdc 9Vdc 36Vdc 36Vdc 36Vdc 36Vdc 36Vdc 36Vdc G2 ELECTRICAL TERMINATIONS AND WIRING 3-PIN DELPHI (PACKARD) METRI-PACK 150 SERIES Mates to Optional Metri-Pack connector 12065287 Pin Voltage No. Output A Common B V+ Output C 4-20mA Output* V– V+ V– Mating Cable Color Black Red White IP67 Ingress rating * Use either V- termination on G2 with 4-20mA output *0.5Vdc-4.5Vdc output is ratiometric to the nominal 5Vdc supply **For transmitters with 4-20mA output signal, the minimum voltage at the terminals is 9Vdc. However, the minimum supply voltage should be calculated using the adjacent graph and formula. Power Supply Voltage vs Loop Resistance P (4-20mA ONLY) Loop Resistance (RL-Ohms) 3. STATIC ELECTRICAL CHARGES: Any electrical device may be susceptible to damage when exposed to static electrical charges. To avoid damage to the transducer observe the following: • Ground the body of the transducer BEFORE making any electrical connections. 1400 HIRSCHMANN G SERIES Mates to Optional Hirschmann G4W1F connector, or equal Pin Voltage No. Output 1 V+ 2 Common 3 Output 4 Case Gnd. 4-20mA Mating Output* Cable Color V+ Red V– Black V– White Case Gnd. Green IP67 Ingress rating * Use either V- termination on G2 with 4-20mA output 1200 10 9 (min) 40 36 (max) Loop Supply Voltage (Vdc) [LSV] To determine minimum loop supply voltage: LSV(min)=9(V)+[.022(A)*RL ] Where: LSV= Loop Supply Voltage (Vdc) RL = RS+ RW (ohms) RL = Loop Resistance (ohms) RS = Sense Resistance (ohms) [Measuring Instrument] RW = Wiring Resistance (ohms) AMP SUPERSEAL Pin Voltage No. Output 1 Common 2 Output 3 V+ 4-20mA Output* V– V– V+ Mating Cable Color Black White Red * Use either V- termination on G2 with 4-20mA output 1 2 3 2 3 4 5
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