Revision 1.0
SMV800 Modbus User's Guide
Page ix
Status
A coded value that qualifies dynamic variables (parameters) in function blocks.
This value is usually passed along with the value from block to block. Status is
fully defined in the Modbus FBAP specifications.
STIM
Pressure Transmitter Interface Module
STIMV IOP
Pressure Transmitter Interface Multivariable Input / Output Processor
System Management
Provides services that coordinate the operation of various devices in a
distributed Modbus system.
System Management
Agent
Part of the device software that operates on system management objects.
System Management
Information Base
A collection of objects and parameters comprising configuration and
operational information used for control of system management operations.
SP
Static Pressure
TAC
Technical Assistance Center
Trim Point
A selected reference point at which a measurement is calibrated.
URL
Upper Range Limit
URV
Upper Range Value
US
Universal Station
Vac
Volts Alternating Current
Vdc
Volts Direct Current
Virtual
Communication
Reference
A defined communication endpoint. Modbus communications can primarily
only take place along an active communications "path" that consists of two
VCR endpoints.
Virtual Field Device
A logical grouping of "user layer" functions. Function blocks are grouped into a
VFD, and system and network management are grouped into a VFD.
For example, to establish communications between a transducer block and a
function block, a VCR must be defined at the transducer block and a VCR
must be defined at the function block.
Содержание SMV800
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