maxon motor 1-Q-EC - User Manual

maxon motor
maxon motor control 1-Q-EC Amplifier DEC 50/5
Order number 230572
Operating Instructions October 2008 Edition
The DEC (Digital EC Controller) 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.

maxon motor 1-Q-EC Specifications