INTERFACE CARD0 pages
ISO 9001:2000 WITH DESIGN
Certificate #02.002.1
EC0004A: INTERFACE CARD
FEATURES:
Din rail mount, Din35 and Din 32.
Reverse polarity protection
Short circuit protection
Pulse Width Modulated Output.
Current controlled output, maintains output
current regardless of supply voltage and coil
resistance variations.
Capable of accepting four industry standard signal types: Potentiometer, 0-10V, 0-5V,
or 4-20mA.
Reference voltage provided for control via an external potentiometer.
Proportional Indicators for Input signal and Output signal, plus an on/off power and
potentiometer status indicator.
Two Enable lines are provided, one with adjustable soft stop, both with adjustable soft
start. (See details on page 3 and 4)
Independent ramp adjustments up and down, 0.1 -12 seconds.
Maximum current adjustment does not affect the Minimum current adjustment.
Wide voltage supply range 12-30 VDC
APPLICATION:
The EC0004A conveniently interfaces a PLC or transducer with a proportional solenoid.
DESCRIPTION:
The EC0004A has been designed to meet the various requirements of mobile and industrial
hydraulic control applications. EC0004A cards are versatile, cost effective and easily
integrated into new or pre-existing designs. Much of this is a result of the unique ability
each card has to accept 4 different signals. The EC0004A can accept any of the following
input types: Potentiometer, 0-10V, 0-5V, or 4-20mA. The card takes these signals and
converts them into a PWM output suitable for a Brand EFC-Series valve or other
proportional valves that meet the proper specifications.
GENERAL
SPECIFICATIONS:
Voltage Supply
Operating Temperature
Storage Temperature
Max Continuous Output Current
Output Type
Frequency
Weight, fully assembled
Page A-34
12-30 VDC
-40C - 70C (-40F - 158F)
-40C - 70C (-40F - 158F)
2.5 Amps
PWM , Pulse Width Modulation, 0-100% Duty cycle
107Hz +/- 5 Hertz
0.151kg (0.332lb.)
02-08