Brooks MT 3809, Installation & Operation Manual

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13 X-VA-MT3809G-MT3810G-eng/541B182AAG/A/2022-10
Brooks Instrument Installation Manual MT3809G & MT3810G
Section 1 Introduction
F
OUNDATION
Fieldbus Transmitter, with Alarms and Pulse Output
Design Features
• F
OUNDATION
TM Fieldbus digital communication network interface
• Ease of wiring and installation with a single 2-wire bus connection
• Powered over 2-wire F
OUNDATION
TM Fieldbus connection
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temperatures, densities, etc.
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Description
The F
OUNDATION
TM Fieldbus transmitter is a compact microprocessor device
designed to interface directly with the Model MT3809.
The transmitter communicates over the 2-wire network per the
international F
OUNDATION
TM Fieldbus standard for access to numerous
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alarm parameters.
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OUNDATION
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Power supply voltage 9
Ͳ
32Vdc
Power supply protection Protected against reverse polarity
Current consumption 12 mA
Entire transmitter is powered from 2
Ͳ
wire bus
Hi
Ͳ
and Lo
Ͳ
alarm outputs Open collector alarm output
Optically isolated outputs assignable to alarms.
• Max. off
Ͳ
state voltage: 30 Vdc
• Max. off
Ͳ
state current: 0,05 mA
• Max. on
Ͳ
state voltage: 1.2 Vdc
• Max. on
Ͳ
state current: 20 mA
Pulse Output
Optically isolated. Scalable to a variety of engineering unit systems (pulses per liter, gallons,
etc.).
• Range: 1 Hz to 1 kHz
• Max. off
Ͳ
state voltage: 30 Vdc
• Max. off
Ͳ
state current: 0.05 mA
• Max. on
Ͳ
state voltage: 1.2 Vdc
• Max. on
Ͳ
state current: 20 mA
Temperature Specification See Temperature Cut
Ͳ
off Table
Electrical Connector M20 x 1,5 according to ISO (1/2" NPT, 3/4” NPT (F) or cable gland optional)
• Brass/Nickel plated cable gland cable diameter range 8
Ͳ
11 mm (Aluminum housing)
• Stainless steel cable gland cable diameter range 7
Ͳ
10.5 mm (SS housing)
Linearity Less than 1%
Temperature Influence Less than 0.04% per °C
Voltage influence Less than 0.002% / Vdc
FOUNDATION Fieldbus Revision ITK6