maxon motor
maxon motor control
1-Q-EC Amplifier DEC 50/5
Order number 230572
Operating Instructions
October 2008 Edition
The DEC (
D
igital
E
C
C
ontroller) is a 1-quadrant amplifier for controlling electronically commutated (brushless)
DC motors.
•
Digital
speed
control
•
Maximum speed: 120 000 rpm (motor with 1 pole pair)
•
Operates as speed control, current control or open loop
speed control
•
/Brake, direction and /disable input
•
AUX connection: adjustable function
(+5 V output or input for changing speed)
•
Status indicator with red and green LED
•
Set value input through built-in potentiometer (several
speed ranges can be selected) or through
analogue set value input (0 ... +5 V)
•
Maximum current limit adjustable
•
Gain can be adjusted in two stages
•
Adjustable speed ramp
•
Protection against heat overload
•
Blockage protection (current limit for blocked motor)
•
Plug-in terminal clamp
Table of Contents
1
Safety Instructions ..............................................................................................................................................2
2
Performance Data ..............................................................................................................................................3
3
Minimum External Wiring for Different Modes of Operation...............................................................................4
4
Operating Instructions ........................................................................................................................................6
5
Inputs and Outputs .............................................................................................................................................8
6
Switch Functions ..............................................................................................................................................12
7
Speed Ranges..................................................................................................................................................12
8
Potentiometer Functions...................................................................................................................................13
9
Operating Status Display..................................................................................................................................14
10
Protection .........................................................................................................................................................15
11
EMC-compliant installation ...............................................................................................................................15
12
Block Diagram ..................................................................................................................................................16
13
Dimension Drawing ..........................................................................................................................................16
The latest edition of these operating instructions may be found in the internet as a PDF-file under
www.maxonmotor.com
category “Service & Downloads”, Order number 230572.
