Emerson FIELDVUE DVC6200f, Инструкция по эксплуатации

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Introduction and Specifications
November 2010 5
Table 1-1. Specifications
Available Mounting
Integral mounting to the Fisher GX Control
Valve and Actuator System
Integral mounting to Fisher rotary actuators,
Sliding-stem linear applications
Quarter-turn rotary applications
DVC6200f digital valve controllers can also be
mounted on other actuators that comply with
IEC 60534
-
6
-
1, IEC 60534
-
6
-
2, VDI/VDE 3845 and
NAMUR mounting standards.
Function Block Suites
Standard Control (throttling control)
Includes AO, PID, ISEL, OS, AI, MAI, DO,
and four DI function block
Fieldbus Control (throttling control)
Contains the AO function block
Fieldbus Logic [discrete (on/off) connectivity]
Includes DO, and four DI function blocks
Block Execution Times
AO Block: 15 ms AI Block: 15 ms
PID Block: 20 ms MAI BLock: 35 ms
ISEL Block: 20 ms DO Block: 15 ms
OS Block: 20 ms DI Block: 15 ms
Electrical Input
Voltage Level: 9 to 32 volts
Maximum Current: 19 mA
Reverse Polarity Protection: Unit is not polarity
sensitive
Termination: Bus must be properly terminated per
ISA SP50 guidelines
Digital Communication Protocol
F
OUNDATION
fieldbus registered device
Physical Layer Type(s):
121—Low
−
power signaling, bus-powered,
Entity Model I.S.
511—Low
−
power signaling, bus-powered,
FISCO I.S.
Fieldbus Device Capabilities
Backup Link Master capable
Output Signal
Pneumatic signal, up to 95% of supply pressure
Minimum Span: 0.4 bar (6 psig)
Maximum Span: 9.5 bar (140 psig)
Action:
Double, Single Direct or Reverse
Supply Pressure
(1)
Minimum Recommended: 0.3 bar (5 psig) higher
than maximum actuator requirements
Maximum: 10.0 bar (145 psig) or maximum
pressure rating of the actuator, whichever is lower
Supply Medium
Air or natural gas
Air: Supply pressure must be clean, dry air that
meets the requirements of ISA Standard 7.0.01. A
maximum 40 micrometer particle size in the air
system is acceptable. Further filtration down to 5
micrometer particle size is recommended.
Natural Gas: Natural gas must be clean, dry,
oil-free, and noncorrosive. H
2
S content should not
exceed 20 ppm.
Steady
-
State Air Consumption
(2)(3)
Standard Relay: At 1.4 bar (20 psig) supply
pressure: Less than 0.38 normal m
3
/hr (14 scfh)
At 5.5 bar (80 psig) supply pressure: Less than 1.3
normal m
3
/hr (49 scfh)
Low Bleed Relay: At 1.4 bar (20 psig) supply
pressure: Average value 0.056 normal m
3
/hr
(2.1 scfh)
At 5.5 bar (80 psig) supply pressure: Average value
0.184 normal m
3
/hr (6.9 scfh)
Maximum Output Capacity
(2)(3)
At 1.4 bar (20 psig) supply pressure: 10.0 normal
m
3
/hr (375 scfh)
At 5.5 bar (80 psig) supply pressure: 29.5 normal
m
3
/hr (1100 scfh)
Operating Ambient Temperature Limits
(1)(4)
−
40 to 85 C (
−
40 to 185 F)
−
52 to 85 C (
−
62 to 185 F) for instruments utilizing
the Extreme Temperature option (fluorosilicone
elastomers)
Independent Linearity
Typical Value:
±
0.50% of output span
−
continued
−
1