Brooks Instrument SLA5850 Manual De Instalación Y Funcionamiento página 39

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Installation and Operation Manual
X-TMF-SLA5800-MFC-eng
Part Number: 541B027AAG
April, 2013
3-5-2 DeviceNet Communications Features
3-5-3 F
Fieldbus Communications Features
OUNDATION
The Brooks SLA5800 Digital Series is also available with DeviceNet
communication capability. DeviceNet is an open digital protocol capable of
high speeds and easy system connectivity. Brooks Instrument has several
of its devices available on this popular networking standard, and is a
member of ODVA
TM
(Open DeviceNet Vendors Association), the governing
standard body for DeviceNet.
DeviceNet is similar to the RS485 standard in that it is a multi-drop
connection that allows a maximum of 64 devices to be connected on the
same network. Baud rate selections for DeviceNet products are 125K,
250K and 500K and can be selected via MAC ID switches mounted on the
device.
The DeviceNet communication link also provides access to many of the
Brooks SLAMf Digital Series functions for "control and monitor" operations,
including:
• Accurate setpoint adjustment and flow output measurement (including
units of measure selection)
• PID Settings (controller only)
Valve Override (controller only)
• Calibration Gas Select
• Soft Start Control (controller only)
The Brooks SLA5800 Digital Series is supporting F
communication protocol. F
usage of existing 4-20mA cables, avoiding costly re-wiring. Fully certified
by passing ITK, this device has passed several Interoperability
requirements other a broad range of hosts. When combined with DeltaV
and using the power of PlantWeb, those devices provide intelligent alerts
allowing accurate device maintenance and service.
·
Value Range check - Part of the standard function blocks
·
Temperature sensor connection - Check sensor connection
·
Firmware checksum - Check for Internal firmware integrity
·
Non-volatile memory - Check for non-volatile memory integrity
·
RAM - Check for RAM integrity
·
Zero Drift/Valve Leak-by - Check for flow leak-by or sensor zero drift
·
Device Overhaul due - Preventive Maintenance
·
Calibration Due - Preventive Maintenance
·
Valve spring life - Preventive Maintenance
·
No Flow - No flow detected when setpoint requested
·
Reverse Flow - Reverse flow detected
·
Flow Totalizer - Informed when a user define amount of fluid has been
delivered
·
Time Totalizer - Informed when a user define amount of time has
expired
Section 3 Operation
®
Brooks
Digital MFC's & MFM's
® Fieldbus is a digital network allowing
OUNDATION
TM
® Fieldbus
OUNDATION
3-7

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