IM481H Plus - Koco Motion GmbH

IM481H Plus
HIGH PERFORMANCE
ULTRA-MINIATURE
MICROSTEPPING DRIVER
FEATURES
• Very Low Cost
• Ultra Miniature
(1.1 x 2.7 x 0.175 inches)
(28 x 69 x 4.4 mm)
• Advanced Hybrid Design
• High Input Voltage
(+12 to +48 VDC)
• High Output Current
(1.5 Amps RMS, 2.1 Amps Peak)
• Replaces Mechanical Gearing for
Smooth ness and Positioning
• Up to 51,200 Step/Rev with
1.8° Motor
• No Minimum Inductance
• 16 Selectable Microstepping
Res o lu tions can be Changed
On-the-Fly
• Automatically Switches
Be tween Slow and Fast Decay
for Unmatched Performance
• Adjustable Automatic Current
Re duc tion
• Short Circuit and Over
Temperature Pro tec tion
• Fault Output
• At Full Step Output
DESCRIPTION
The IM481H PLUS is a high per for -
mance, yet low cost microstepping
driver that utilizes advanced hy brid
tech nol o gy to greatly reduce size
without sac ri fi c ing fea tures. The
IM481H PLUS is ex cep tion al ly
small, easy to in ter face and use,
yet pow er ful enough to handle the
most demanding ap pli ca tions.
The IM481H PLUS has 16 built-in
microstep res o lu tions (both binary
and decimal). The resolution can
be changed at any time without
the need to reset the driver. This
feature allows the user to rapidly
move long dis tanc es, yet precisely
po si tion the motor at the end of
travel without the expense of high
per for mance con trol lers.
With the development of pro pri -
etary and pat ent ed cir cuits, ripple
current has been min i mized to reduce
motor heating common with
other de signs, allowing the use of
low inductance motors to improve
high speed per for mance and system
ef fi cien cy.
The IM481H PLUS, because of
its ultra small size and low cost,
can be used to increase accuracy
and smooth ness in systems using
higher step angle motors. In many
instances me chan i cal gearing can
be replaced with microstepping,
reducing cost and elim i nat ing poten
tial main te nance.
The IM481H PLUS was developed
to provide de sign ers with affordable,
state-of-the-art technology
for the com pet i tive edge needed in
today’s market.
RoHS compliant products may be indicated by a -G1 part number and/or RoHS Compliant label.
OPTIONS
The INT-481 is an optional plug-on
interface board which can be used
with the IM481H PLUS to facilitate
test ing, or in sit u a tions where panel
mounting the IM481H PLUS is preferred.
The INT-481 contains extra
cir cuit ry which includes +5 VDC
supply, opto isolators for step clock,
di rec tion, enable and reset, along
with ex tra fault de tec tion circuits,
input capacitor, and fault and power
LEDs. Wir ing is done through a 15
pin screw ter mi nal. A four position
dip switch is sup plied for microstep
resolution selection.
The H-481 is a small, optional heat
sink which mounts eas i ly to the
IM481H PLUS or the INT-481H/
IM481H PLUS com bi na tion. Its
compact size consumes only 4.3 cubic
inch es (70.5 cu bic cm) of space.
All required mount ing hard ware is
in clud ed with the heat sink.
INT-481 Interface Board
REV012407

ELECTRICAL SPECIFICATIONS
Input Voltage* .......................................................................................................................................+12 to +48 VDC
Output Current (Resistor Selectable) ............................................. 0.14 to 2.1 Amps Peak (Max 1.5 Amps RMS)
Step Frequency (Max) ....................................................................................................................................... 2.5 MHz
Steps per Revolution – 1.8° Motor .........................200, 400, 800, 1000, 1600, 2000, 3200, 5000, 6400,
10000, 12800, 25000, 25600, 36000, 50000, 51200
Protection ........................................................................................................Thermal, Phase to Phase, +V to Phase
Current Reduction (Resistor Selectable) ..............................................................0.5 Seconds Af ter Last Step Input
*Includes motor back EMF, Power Supply Ripple and High Line.
PIN ASSIGNMENTS TEMPERATURE
PIN FUNCTION PIN FUNCTION
1 Phase A 11 Ground
2 Phase /A 12 +V (+12 to +48 VDC)
3
Current Reduction
Adjustment
13
14
Reset
+5 VDC
4 Current Reference 15 Step Clock
5 Current Adjustment 16 Direction
6 Fault In 17 Enable
7 Resolution Select 0 18 On Full Step
8 Resolution Select 1 19 Fault Out
9 Resolution Select 2 20 Phase B
10 Resolution Select 3 21 Phase /B
MECHANICAL SPECIFICATIONS
Dimensions in Inches (mm)
IM481H PLUS DRIVER
1.100
(27.9)
INT-481 INTERFACE BOARD
0.275
(6.99)
1.550
(39.37)
0.132
(3.35)
0.538
(13.6)
0.225
(5.7)
PIN 1
21 1
OPTO/+5 V
1 3
JP1
3.000
(76.2)
2.450
(62.23)
ENOFF/ENON
1 3
JP2
2.700
(68.6)
2.450
(62.2)
2X Ø 0.150 THRU
(2X Ø 3.8 THRU)
0.100
(25.4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
2X Ø 0.143 THRU
(2X Ø 3.6 THRU)
SW1
4 3 2 1
0.016
(0.4) SQ.PIN
MS0
MS1
MS2
MS3
GRNPOWER
RED
LED1FAULT 0.575
(14.6)
65°
TYP.
0.175
(4.4)
R 0.125
(R 3.17)
0.920
(23.37)
0.620
(15.75)
IM481H PLUS
Storage .......................................................... –40 to +125° C
Rear Mounting Surface (Max)* .....................–40 to +85° C
*External heat sink may be required to maintain mount ing surface below 85°C.
Isolating thermal pad is re quired when using additional heat sink.
ORDER INFORMATION
Name Part Number
Microstepping Driver (Includes Ther mal Pad) ...... XIM481H
Isolating Ther mal Pad.................................................. TI–481
Interface Board .........................................................INT–481
Heat Sink (Includes Mount ing Hardware) ..................H–481
21 Pin Right Angle Connector ......................HY481-CN021
Small End Screwdriver ..................................................... SD1
0.175
(4.5)
Heat Sink
This Side
0.058
(1.5)
21 Pin Right Angle
Connector
HY481-CN021
Heat Si nk
This Side
H-481 HEAT SINK
1.312
(33.3)
0.178
(4.5)
1.100
(27.9)
0.211
(5.4)
0.498
(12.6)
1.875
(47.6)
2.872
(72.9)
2.450
(62.2)
0.312
(7.9)
2X Ø 0.177 THRU
(2X Ø 4.5 THRU)
0.550
(13.9)
2X #6-32
THRU