User Guide

easy-e Valves
Product Flier
PF51.1:E
July 2008
14
FIELDVUE Digital Valve Controller
(Continued)
Digital Valve Controller Electrical Specifications (HART instruments only)
ELECTRICAL INPUT
REVERSE
POLARITY
PROTECTION
Point-to-Point Connection
Multi-Drop
Connection
(DVC6000 Only)
Analog Input
Signal
Minimum
Control
Current
Minimum Current
without
Microprocessor
Restart
Maximum
Voltage
Overcurrent
Protection
Instrument
Power
4 to 20 mA DC
nominal
4.0 mA 3.5 mA 30 VDC
Input circuit limits
current to prevent
internal damage
11 to 30 VDC at
approximately 8 mA
No damage occurs
from reversal of
loop current
Digital Valve Controller Electrical Specifications (FOUNDATION fieldbus Communication only)
COMMUNICATION PROTOCOL
POWER REQUIREMENTS
Voltage Level
Maximum
Current
Reverse
Polarity
Protection
Termination
FOUNDATION 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.
9 to 32 volts 18 mA
Device is not
polarity sensitive
Bus must be properly
terminated per
ISA SP50 guidelines