Anaheim Stepper MBC04161 Users Guide

							April 2001
MBC04161
Bipolar Microstep Driver
User’s Guide
#L010055
910 East Orangefair Lane, Anaheim, CA 92801
e-mail: [email protected](714) 992-6990  fax: (714) 992-0471
website: www.anaheimautomation.com
ANAHEIM AUTOMATION     
						

							User’s Guide # MBC04161
MBC04161 Microstep Driver Features
  Size (5.400L x 1.868W x 3.36H)
  Output Current 4.0 Amps Peak
  200 to 3200 steps/rev (1,2,5,10 and 16 selectable step operations)
  Short Circuit Protection
  Motor Cable Miss-Wire Detection
  No Minimum Inductance
  Optical Isolation
  Motor ON/OFF input
Introduction
The MBC04161 Microstep Motor Driver has an output current capability of 1.0 Amps minimum to 4.0
Amps maximum (Peak Rating). The MBC04161 driver operates from a DC voltage of 24-48 Volts. The
inputs are optically isolated with a minimum sourcing of 1.0mA per input (+5VDC minimum to +24VDC
maximum). The clock input is set to receive either positive or negative edge clocks with a maximum
frequency of 100kHz. The MBC04161 driver offers direction control and motor current ON/OFF capabili-
ties. The Reduce Current Enabled automatically reduces motor current to 70% of set value after the last
step is made (20msec delay). The driver has built-in features to indicate power on (Green LED) and
clocks being received. (Yellow LED)
With the MBC04161, various step resolutions can be implemented by the onboard dip switch. These
divisions range from 200 steps per revolution to 3200 steps per revolution. The bipolar drive configuration
handles 4, 6, and 8 lead motors. Protection devices have been added to this driver for 
Phase to Phase
Short-Circuit and Motor Miss-Wire 
conditions.
Pin Descriptions
The inputs on the MBC04161 are optically isolated with the anode (+) and cathode (-) both brought out to
the user.  With no current going through the opto-diode the input is considered high. To enable the input
a minimum of 1.0mA needs to be sourced or sinked through the opto-diode. This is done simply by placing
a voltage of +5 to +24 VDC across the two inputs of the opto-diode. If sourcing current in to the inputs,
then all three cathodes (-) should be tied together and grounded as shown in Figure 2. If sinking current,
then all three anodes (+) should be tied together to the +voltage as shown in Figure 1. Provided on the
MBC04161 is an external +5VDC out which can be used to power the inputs for sinking mode only.
However if you use this voltage, isolation is not preserved.
TB2: 5 Pin Terminal Description
# n i Pno i t p i r c s e D
1:A e s a h Pro t o m p e t s e h t f o 1 e s a h P
2:A e s a h Pro t o m p e t s e h t f o 3 e s a h P
3:B e s a h Pro t o m p e t s e h t f o 2 e s a h P
4:B e s a h Pro t o m p e t s e h t f o 4 e s a h P
5dn u o r G r o t o M
Table 1: TB2 Terminal Decriptions 
						

							April 2001
TB1: 8 Pin Terminal Description
TB3: 3 Pin Terminal Description
Optically Isolated Inputs
The following inputs to the MBC04161 are Optically Isolated.
To enable an input, apply a DC voltage source of +5VDC to +24VDC across the inputs. The Anodes (+)
are pins 1,3,and 5 and the Cathodes (-) are pins 2, 4, and 6.
m e t I#n i P
k c o l C2& 1
n o i t c e r i D4& 3
f f O / n O6& 5
Table 4: Inputs That are Optically Isolated
# n i Pno i t p i r c s e D
1)C D V 8 4 + o t 4 2 + ( N I V
2CD V 0
3dn u o r G h t r a E
Table 3: TB3 Terminal Descriptions
# n i Pno i t p i r c s e D
1:) + ( e d o n A t u p n I k c o l C p e t Sr o t o m e h t s e c n a v d a t u p n i d e t a l o s i s i h t n o e g d e g n i o g e v i t i s o p A
. 1 h c t i w S f o s t u p n I t c e l e S p e t s o r c i M e h t n o t n e d n e p e d s i t n e m e r c n i e h t f o e z i s e h T . t n e m e r c n i e n o
2)- ( e d o h t a C t u p n I k c o l C p e t S
3:) + ( e d o n A n o i t c e r i Dl a c i s y h P . r o t o m e h t f o n o i t c e r i d e h t e g n a h c o t d e s u s i t u p n i d e t a l o s i s i h T
. s g n i d n i w r o t o m e h t f o n o i t c e n n o c e h t n o s d n e p e d o s l a n o i t c e r i d
4)- ( e d o h t a C n o i t c e r i D
5:) + ( e d o n A F F O / N Oe h t f o n o i t c e s t u p t u o e h t e l b a s i d d n a e l b a n e o t d e s u s i t u p n i d e t a l o s i s i h T
p e t s e h t t i b i h n i t o n s e o d t u p n i s i h t , r e v e w o H . d e l b a n e e r a s t u p t u o e h t ) n e p o ( H G I H n e h W . r e v i r d
. k c o l c
6)- ( e d o h t a C F F O / N O
7:C D V 5 +d e t a l o s i e h t o t t n e r r u c f o A m 0 5 o t p u y l p p u s o t d e s u e b n a c t u p t u o d e t a l o s i - n o n s i h T
. d e l b a s i d e b l l i w n o i t a l o s i , s i h t g n i o d y B . s t u p n i
8:C D V 0.n r u t e r C D V 5 +
Table 2: TB1 Terminal Descriptions 
						

							User’s Guide # MBC04161
Hook Up DrawingsElectrical Specifications Absolute Maximum Ratings
Input Voltage: 55 VDC
Output Current: 4.0 AMPS PEAK
Max Plate Temperature: 70° C
Storage Temperature: 0° to +50° C
Input Voltage (For isolated inputs): +5V to +24V
Sinking:
Sourcing:
m e t Ini Mpy Txa Mst i n U
e g a t l o V t u p n I028455CD V
t n e r r u C t u p t u O e s a h P7. 08. 2)S M R ( A
t n e r r u C t u p t u O e s a h P0. 10. 4)K A E P ( A
y c n e u q e r F k c o l C000 1zH k
y c n e u q e r F g n i p p o h C027233zH k
t u O C D V 5 +8. 45 2. 5V
t u O C D V 5 +005Am
e r u t a r e p m e T n o i t a r e p O007C
Table 5: Specifications
Figure 1: Hook Up for Sinking Current
Figure 2: Hook Up for Sourcing Current     
						

							April 2001
Motor Selection
The MBC04161 is a Bipolar Microstep Driver that is compatible with both Bipolar and Unipolar Motor
Configurations, (i.e. 8 and 4 lead motors, and 6 lead center tapped motors).
Step motors with low current ratings and high inductance will perform better at low speeds, providing
higher low-end torque. Motors with high current ratings and low inductance will perform better at higher
speeds, providing more high-end torque.
Since the MBC04161 is a constant current source, it is not necessary to use a motor that is rated at the
same voltage as the supply voltage. What is important is that the MBC04161 is set to the appropriate
current level based on the motor being used. Higher voltages will cause the current to flow faster through
the motor coils. This in turn means higher step rates can be achieved. 
Care should be taken not to exceed
the maximum voltage of the driver.
Anaheim Automation offers a comprehensive line of step motors in 17, 23, 34 and 42 frame
sizes. Contact the factory to verify motor/ drive compatibility
.
Dimension Drawing
Figure 3: Dimension Drawing for the MBC04161   
						

							User’s Guide # MBC04161
Step Motor Selection Guide
Anaheim Automation offers motor cable, making hook-ups quick and easy!
Contact the factory or visit our website for more motor and cable offerings.
Microstep Selection (SW1 Settings)
Switches 2, 3 and 4, of the DIP switch select the number of microsteps per step. The table below shows
the standard resolution values along with the associated positions for the select switches. The standard
waveforms are sinusoidal.
t r a P
r e b m u Nr a l o p i n U
g n i t a Rs e i r e S
k a e P
g n i t a Rl e l l a r a P
k a e P
g n i t a Rs e i r e S
t n e r r u C
g n i t t e Sl e l l a r a P
t n e r r u C
g n i t t e S
6 0 2 L 3 2
A 0 . 3A0 . 3A0 . 6%0 7%0 0 1
6 0 3 L 3 2
A 0 . 3A0 . 3A0 . 6%0 7%0 0 1
8 0 1 N 4 3
A 0 . 4A0 . 4A0 . 8%0 0 1%0 0 1
7 0 2 N 4 3
A 5 . 3A5 . 3A0 . 7%5 8%0 0 1
7 0 3 N 4 3
A 5 . 3A5 . 3A0 . 7%5 8%0 0 1
8 0 1 L 3 2
A 0 . 4A0 . 4A0 . 8%0 0 1%0 0 1
6 0 1 L 3 2
A 0 . 3A0 . 3A0 . 6%0 7%0 0 1
4 0 1 L 3 2
A 0 . 2A0 . 2A0 . 4%5 3%0 0 1
3 0 2 L 7 1
A 5 . 1A5 . 1A0 . 3%0 2%0 7
2 0 2 L 7 1
A 0 . 1A0 . 1A0 . 2%0%5 3
2 0 0 L 7 1
A 0 . 1A0 . 1A0 . 2%0%5 3
Table 6: Step Motor Selection Guide
n o i t u l o s e Rve R / s p e t S1t c e l e S2t c e l e S3t c e l e S4t c e l e Stn e r r u C e c u d e R o t u A
1
0 0 2FF ONONONOde l b a s i D
2
0 0 4FF ONONOFF Ode l b a s i D
5
0 0 0 1FF ONOFF ONOde l b a s i D
0 1
0 0 0 2FF ONOFF OFF Ode l b a s i D
6 1
0 0 2 3FF OFF OFF OFF Ode l b a s i D
1
0 0 2NONONONOde l b a n E
2
0 0 4NONONOFF Ode l b a n E
5
0 0 0 1NONOFF ONOde l b a n E
0 1
0 0 0 2NONOFF OFF Ode l b a n E
6 1
0 0 2 3NOFF OFF OFF Ode l b a n E
Table 7: SW1 Switch Settings 
						

							April 2001
Setting the Output Current
The output current on the MBC04161 is set by an onboard potentiometer. This potentiometer determines
the per phase peak output current of the driver. The relationship between the output current and the
potentiometer value is as follows:
Reducing Output Current
Reducing the output current is accomplished by setting switch 1 of the DIP switch to the ON position and
occurs approximately 20mSec after the last positive going edge of the step clock input. The amount of
current per phase in the reduction mode is approximately 70% of the set current. When the current
reduction circuit is activated, the current reduction resistor is paralleled with the current adjustment poten-
tiometer. This lowers the total resistance value, and thus lowers the per phase output current.
Determining Output Current
The output current for the motor used when microstepping is determined differently from that of a full/half
step unipolar driver. In the MBC04161, a sine/cosine output function is used in rotating the motor. The
output current for a given motor is determined by the motors current rating and the wiring configuration of
the motor. There is a current adjustment potentiometer used to set the output current of the MBC04161.
This sets the peak output current of the sine/cosine waves. The specified motor current (which is the
unipolar value) is multiplied by a factor of 1.0, 1.4, or 2.0 depending on the motor configuration (series,
half-coil, or parallel).
Step Motor Configurations
Step motors can be configured as 4, 6, or 8 leads. Each configuration requires different currents. Refer to
the lead configurations and the procedures to determine their output current.
WARNING! Step motors will run hot even when configured correctly. Damage may occur to the motor if
a higher than specified current is used. Most specified motor currents are maximum values. Care
should be taken to not exceed these ratings.
Table 8: Output Current POT Settings
Refer to Table 6 for specific motor current settings.
t n e r r u C k a e Pgn i t t e S r e t e m o i t n e t o Ptn e r r u C k a e Pgn i t t e S r e t e m o i t n e t o P
A 0 . 1%0A8 . 2%0 6
A 3 . 1%0 1A1 . 3%0 7
A 6 . 1%0 2A4 . 3%0 8
A 9 . 1%0 3A7 . 3%0 9
A 2 . 2%0 4A0 . 4%0 0 1
A 5 . 2%0 5---- 
						

							User’s Guide # MBC04161
4 Lead Motors
Multiply the specified series motor current by 1.4 to determine the current adjustment potentiometer
value. Four Lead Motors are usually rated with their appropriate series current, as opposed to the 
Phase
Current
, which is the rating for 6 and 8 lead motors.
6 Lead Motors
When configuring a 6 lead motor in a half-coil configuration (connected from one end of the coil to the
center tap), multiply the specified per Phase (or unipolar) current rating by 1.4 to determine the current
setting potentiometer value. This configuration will provide more torque at higher speeds when compared
to the series configuration.
When configuring the motor in a series configuration (connected from end to end with the
center tap floating) use the specified per Phase (or unipolar) current rating to determine the
current setting potentiometer value.
Figure 4: Half Coil Motor Connection
Figure 5: Series Motor Connection
Figure 6: Series Motor Connection       
						

							April 2001
8 Lead Motors
Series Connection: When configuring the motor windings in series, use the per Phase (or unipolar)
current rating to determine the current setting potentiometer value.
Parallel Connection: When configuring the motor windings in parallel, multiply the per Phase (or unipo-
lar) current rating by 2.0 to determine the current setting potentiometer value.
NOTE: After the current has been determined, according to the motor connections above, use Table 8 to
choose the proper setting for the current setting potentiometer.
Connecting the Step Motor
Phase 1 and Phase 3 of the step motor are connected to pins 1 and 2 on connector TB2. Phase 2 and
Phase 4 of the step motor are connected to pins 3 and 4 on connector TB2. The motors case can be
grounded to pin 5 on connector TB2. Refer to Figures 1 & 2 for TYPICAL APPLICATION HOOK-UP.
NOTE: The physical direction of the motor with respect to the direction input will depend on the connection
of the motor windings.  To reverse the direction of the motor with respect to the direction input, switch the
wires on Phase 1 and  Phase 3.
WARNING: Do not connect or disconnect motor wires while power is applied!
Miss-Wire Detection
When power is applied to the MBC04161 there is a brief moment for miss-wire checks of the motor
cables. If it is found that there is a miss-wire, the yellow LED will blink and power will be shut off to the
motor. To reset the drive turn power off, check wiring, and turn power back on.
Figure 7: Series Motor Connection
Figure 8: Parallel Motor Connection     
						

							User’s Guide # MBC04161
Torque Speed Curves