Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco

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Section 3 Scanner ® 2000 microEFM RTD Input A 4-wire explosion-proof, 100-ohm platinum 0.00385 OHM/OHM°C RTD rated for Class I, Div. 1, Groups B, C, and D usage is recommended for performing orifice gas and compensated liquid calculations or gas turbine calculations, though a 2- or 3-wire RTD may prove functional. Wire as shown in Figure 3.5. 64 1 7 2 8 3 9 4 10 5 SCANNER 2000 11 6 Main Circuit Board 12 J2 TB1 PN: 30160010 TB2 TFM 1 RTD R+ R- I- – I+ + SWITCH DIG OUT 1 13 14 TB3 BATTERY Figure 3.5—Process temperature input wiring J1 POWER + – + PORT 2 PORT 1 – + – WHITE WHITE RED RED JUMPER WIRE JUMPER WIRE JUMPER WIRE I- RTD - RTD+ I+ I� RTD- RTD+ I� 2 - WIRE I- WHITE RED 3 - WIRE RTD - RTD+ I+ WHITE WHITE RED RTD CONNECTIONS (4-WIRE RECOMMENDED)
Scanner ® 2000 microEFM Section 3 Output Wiring Digital Output (Pulse or Alarm) The standard Scanner 2000 supports a solid-state digital output that is configurable as either a pulse output or an alarm output. As a pulse output, the pulse width duration and pulse representation are both configurable. Because the circuit is isolated, it can be used in conjunction with any other feature on the Scanner 2000. A two-conductor cable from the Scanner 2000 to the remote location is required. The maximum rating of the digital output circuit is 60 mA at 30 VDC. Maximum frequency is 50 Hz. Wire as shown in Figure 3.6. For reduced power consumption, turn the digital output feature off when it is not in use. Important If the main circuit board is marked with a revision level of 02 or older (revision 01, C, B, or A), a zener diode (Part No. IN4752) must be installed for CE approval. The zener diode is not required for revision 03 and newer circuit boards. Resistor may be included in pulse readout device. Size the resistor to limit the current to 60 mA. Figure 3.6—Pulse output wiring 1 2 3 4 5 6 J2 TFM 1 RTD I+ R+ R- I- – + SWITCH POWER SUPPLY 5 to 30 VDC PULSE READOUT DEVICE SCANNER 2000 Main Circuit Board PN: 9A-30160010 TB1 Leave the end of this shield disconnected. TB2 13 14 BATTERY DIG OUT 1 TB3 J1 + POWER – + PORT 2 – + PORT 1 – 7 8 9 10 11 12 65
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Table of Contents Scanner ® 2000 m
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Table of Contents Scanner ® 2000 m
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Section 1 Scanner ® 2000 microEFM
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Appendix C Scanner ® 2000 microEFM
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Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco

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