Eurotherm 582, Product Manual, Page: 33 / 47

Chapter 10 User Instructions
582/583/5831 10 - 1
Chapter 10 User Instructions
CURRENT LOOP AND ZERO SPEED OPTION CARD
INTRODUCTION
The current loop and zero speed option card is intended to provide a speed reference and a zero
speed indication for the Eurotherm Drives 582/3 series of inverters.
Current loop format is configurable via the switches provided.
OPTION SWITCHES
Four current loop formats are available with this option card and are selected in the following
way:-
SW1 SW2 SW3 SW4
0.20mA OFF OFF ON OFF
4-20mA ON ON ON OFF
20-0mA OFF OFF OFF ON
20-4mA ON ON OFF ON
The 0/4-20mA formats will give an increase in speed for an increase in mA.
The 20-4/0mA formats will give an increase in speed for a decrease in mA.
ELECTRICAL SPECIFICATION
Accuracy ± 2% of FS
Input Impedance 100
Ω
Common Mode Voltage 30V
Bandwidth 20Hz
Zero Speed N/O Contact
24V 2A contact
De-energized at Zero Speed
FITTING INSTRUCTIONS
Configure option switches and insert the connector onto the option pins provided on the inverter.
When fitted the components should be on the bottom side of the board and secured by a push fit
of nylon supports. If fitted incorrectly possible damage may occur.
Wiring Diagram over page:-