Emerson daniel 1500 series, Руководство пользователя

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Preamplifier power requirements
(continued)
Table 4-3:
Power requirement
type
Description
Outputs Powered pulse output:
• Type: Square wave
• Frequency range: ~5 Hz to 5 kHz
• Amplitude: 0 to 5 V
Zero crossing
preamplifier Inputs Supply voltage: 14-30 VDC
Sensor type: Reluctance
Signal: Sine wave
Preamplifier sensitivity: 40 mVpp
Temperature range: -40 ºC to 85 ºC (-40 ºF to 185 ºF)
Outputs Powered pulse output:
• Type: Square wave
• Frequency range: ≤ 5 kHz
• Amplitude: 0-12 V
Bi-directional
preamplifier Inputs Supply voltage: 11.5-36 VDC
Sensor type: Reluctance
Signal: Sine wave
Preamplifier sensitivity: 40 mVpp
Temperature range: -40 ºC to 85 ºC (-40 ºF to 185 ºF)
Outputs Powered pulse output:
• Type: Square wave
• Frequency range: ≤ 5 kHz
• Amplitude: 0-Vs
4.3.5 Grounding
Ground the turbine meter electronics internally for safe operation. Connect a wire to the
chassis ground lug located inside the LME as the primary ground. A secondary ground is
located outside of the LME. Refer to
Figure 4-4 and Figure 4-5 . Digital grounds should never
be connected to chassis ground.
Prepare the turbine meter for use
User manual 49