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TMO2D Display & Power Supply

TMO2D Display & Power Supply

The TMO2D is an optional display and control module that enhances the performance and operation of transmitters such as the XMO2, XMTC or O2X1. It provides a two-line x 24-character backlit LCD display, display and option programming via keyboard, recorder outputs, alarm relays, and relays for driving sample system solenoids for automatic zero and span calibration, as well as a 24 VDC power supply for the transmitter. The TMO2D also provides microprocessor-based oxygen signal compensation for improved accuracy for the TMO2 transmitter.

Autoverification/Autocalibration

The TMO2D provides long-term, hands-off operation with this optional feature. When initiated, the TMO2D controls solenoid valves in the sample system to bring zero and span gases to the transmitter. Then TMO2D software compares the calibration gas readings with factory data to verify proper calibration. If an adjustment is necessary, the TMO2D makes corrections automatically and notifies the user via the front panel display and alarm contacts.

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Features

  • Two-line x 24-character backlit LCD
  • Single or dual isolated, 4 to 20 mA outputs
  • Up to four fi eld-confi gurable process alarms
  • Automatic calibration relays.

Applications

A display/controller for use with:

  • XMO2 thermoparamagnetic oxygen transmitter
  • O2X1 galvanic fuel cell oxygen transmitter
  • XMTC thermal-conductivity hydrogen/gas transmitter
  • Any other 4 to 20 mA output transmitter

Specifications

Performance

System Accuracy Refer to transmitter specifi cations
Electronics Display and Output Accuracy ±0.1% of spans
Ambient Temperature Eff ect ±0.05% of full scale per °F (°C)

Functional

Analog Output
  • Standard: Single, isolated 0/4 to 20 mA, 500 Ω maximum, 12-bit resolution, fi eld programmable
  • Optional: Dual, isolated 0/4 to 20 mA, 500 Ω maximum, 12-bit resolution, fi eld programmable
Alarms
  • Standard: Two Form C, SPDT, 2 A maximum @ 115 VAC, fi eld programmable, 0.01% set-point resolution, 0.05% of span dead band
  • Optional: Two hermetically sealed relays for Class I, Division 2 hazardous (classifi ed) locations
  • Two standard or hermetically sealed relays for automatic calibration (Auto Cal)
Digital Output RS232C serial port
Display Two-line x 24-character backlit LCD
Analog Input
  • One 4 to 20 mA input from any transmitter
  • Optional second 4 to 20 mA input from TMO2 transmitter
Power 100/115/220/240 VAC ±10%, 50/60 Hz, 35 W maximum provides 24 VDC, 1 A maximum to transmitter
Temperature
  • Operating: 32°F to 122°F (0°C to 50°C)
  • Storage: –4°F to 158°F (–20°C to 70°C)

Physical

Dimensions
  • Rack mount: 5.25 in x 19 in x 9.25 in (133 mm x 483 mm x 235 mm)
  • Bench mount: 5.25 in x 9 in x 9.25 in (133 mm x 229 mm x 235 mm)
  • Panel mount: 5.25 in x 9 in x 9.25 in (133 mm x 229 mm x 235 mm)
  • Weatherproof: 11.25 in x 9.38 in x 4.38 in (286 mm x 238 mm x 111 mm)
  • Explosion-proof: Consult factory
Weight
  • Rack mount: 5.4 lb (2.4 kg)
  • Bench mount: 7.4 lb (3.4 kg)
  • Panel mount: 4.7 lb (2.1 kg)
  • Weatherproof: 6.5 lb (3.0 kg)
Environmental
  • General-purpose: rack, bench, panel
  • Weatherproof: Type 4X/IP65
  • Non-incendive: Rack, panel and stainless steel weatherproof; FM/CSA Class I, Division 2, Groups A,B,C&D
European Compliance Complies with EMC Directive 89/336/EEC, 73/23/EEC LVD (Installation Category II, Pollution Degree 2)

Order Information

TMO2D_spec

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