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Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174 Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.


1155 Tasman Drive


Sunnyvale, CA 94089 Tel: (408) 744-0974


www.logosolinc.com




































Features

q
Motors supported:
- Brushless 60/120
°
commutated (AC)
- Brush-commutated (DC)

q
12A peak, 8A continuous output current

q
12 to 90V single power supply

q
Path point buffer for coordinated motion
control

q
30/60/120 Hz rate between the points

q
Absolute and relative moves

q
32-bit position, velocity, acceleration,
16-bit PID filter gain values

q
Comprehensive motor output short-circuit
protection:
- Output to output
- Output to ground
- Output to power

q
Adjustable motor current limit

q
Over/under voltage shutdown

q
Overheating protection

q
Emergency stop input

q
Forward and reverse overtravel inputs

q
Communication speed 19.2 - 115.2 KBps

q
Servo rate 2 kHz

q
PWM frequency 20 kHz

Description

LS-174 is an enhanced version of the standard LS-
173 Servo Drive, augmented with special features
for supporting the coordinated motion of several
motors. LS-174 is a single-axis motion controller with
integrated servo amplifier designed for applications
using brushless (AC) or brush-commutated (DC)
motors up to 1 HP. No jumpers or setup is required
to switch between both types of motors. Trapezoidal
brushless motor commutation is performed
automatically if hall sensors are connected to the
unit.
Up to 31 intelligent servo drives can be controlled
over a multi-drop full duplex RS-485 network in a
distributed motion control environment. Standard
RJ-45 connectors and commercially available cables
are used for daisy chaining of the modules.
LS-174 is equipped with various safety features such
as short circuit protection for the motor and amplifier,
over travel limit switch inputs, emergency stop input,
over and under voltage shutdown. The maximum
motor output current can be limited by setting of
dipswitches.
Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.


1155 Tasman Drive


Sunnyvale, CA 94089 Tel: (408) 744-0974


www.logosolinc.com 2

TECHNICAL SPECIFICATIONS rated at 25
o
C ambient, POWER (+)=60VDC, Load=250
µ
µ
H motor


POWER SUPPLY VOLTAGE


12 to 90 V DC, 100V Absolute Maximum

MAX MOTOR OUTPUT CURRENT
Peak
Continuous

12A
8A
MAX MOTOR OUTPUT VOLTAGE
V
out
= 0.96(POWER (+)) 0.17(I
out
)
MIN LOAD INDUCTANCE
200
µ
H
PWM SWITCHING FREQUENCY
19,512 KHz
SERVO RATE
0.512 msec
SERIAL BAUD RATE
19.2 115.2 Kbps
(faster communication rates are possible at lower servo rates)
OPTIONAL OPEN COLLECTOR BRAKE
OUTPUT
Max voltage applied to output
Max current load

48V
0.3A
INPUTS
Encoder & Commutation
Digital Inputs

TTL with 1K pull-up to 5V
LOmin=-1V, HImax=48V
ENCODER
Quadrature with index
COMMUTATION
Hall sensors 60/120
o

INDICATORS
Red LED (two intensity levels)

Power ok low intensity
Servo ok high intensity
PROTECTION
Short circuit


Overheating shut off

Motor output to motor output
Motor output to POWER GND
Motor output to POWER (+)
Activated at 80
o
C
FIRE-SAFETY
Internal fuse

10A Quick blow
POWER DISSIPATION (max)
30W
THERMAL REQUIREMENTS
Storage temperature range
Operating temperature range

30 to +85
o
C
0 to 45
o
C
MECHANICAL
Size
Weight

L=5.00, H=3.30, D=0.85
0.55lb. (250gr.)
MATING CONNECTORS
Power & Motor
Inputs & Outputs
Encoder & Commutator
Communication

Magnum EM2565-06-VL or Phoenix MSTB 2.5/6-ST-5.08
Molex 22-01-3077 housing with 08-50-0114 pins (7 pcs.)
Molex 22-01-3107 housing with 08-50-0114 pins (10 pcs.)
8 pin RJ-45

Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.


1155 Tasman Drive


Sunnyvale, CA 94089 Tel: (408) 744-0974


www.logosolinc.com 3

DIMENSIONAL DRAWING


SERVO DRIVE LAYOUT



ORDERING GUIDE

PART NUMBER
MODEL
DESCRIPTION
912174001
LS-174
Intelligent Servo Drive with brake
230601004
LS-173-CN
Mating connector kit Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.


1155 Tasman Drive


Sunnyvale, CA 94089 Tel: (408) 744-0974


www.logosolinc.com 4

CONNECTORS AND PINOUT




DIP SW DIP SWITCH
SW
SIGNAL
DESCRIPTION
FACTORY SETTING
1
T-out
Transmit line terminator
OFF
2
T-in
Receive line terminator
OFF
3
CL-D
Current limit switch
OFF
4
CL-C
Current limit switch
ON
5
CL-B
Current limit switch
ON
6
CL-A
Current limit switch
ON
7
SW1
Reserved (must be set to ON)
ON
8
SW2
Reserved (must be set to ON)
ON

CN1 POWER AND MOTOR CONNECTOR
PIN
SIGNAL
DESCRIPTION
1
POWER (+)
12 90V power supply, positive terminal
2
POWER GND*
Power supply ground
3
POWER GND*
Power supply ground
4
AC3 or NC

Output to motor
Phase 3 terminal for brushless motor
Not connected for brush motor
5
AC2 or DC (-)

Output to motor
Phase 2 terminal for brushless motor
Negative terminal for brush motor
6
AC1 or DC (+)
Output to motor
Phase 1 terminal for brushless motor
Positive terminal for brush motor Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.


1155 Tasman Drive


Sunnyvale, CA 94089 Tel: (408) 744-0974


www.logosolinc.com 5

CN2 I/O CONTROL
PIN
SIGNAL
DESCRIPTION
1
STP IN
Stop input (disable servo amplifier)
2
GND
*

Signal ground
3
REVERSE LIMIT
Reverse limit input
4
GND*
Signal ground
5
FORWARD LIMIT
Forward limit input
6
GND*
Signal ground
7
BRAKE OUT
Brake output (optional). Open collector output
48V/0.3A


CN3 ENCODER AND COMMUTATOR
PIN
SIGNAL
DESCRIPTION
1
GND*
Encoder ground
2
ENCODER Z
Encoder index
3
ENCODER A
Encoder phase A
4
+5V
Encoder power supply
5
ENCODER B
Encoder phase B
6
+5V
Commutator power supply
7
COMMUTATOR S1
Hall sensor #1
8
COMMUTATOR S2
Hall sensor #2
9
COMMUTATOR S3
Hall sensor #3
10
GND*
Commutator ground


CN4 NETWORK OUT (SLAVE)
PIN
SIGNAL
DESCRIPTION
1
N.C.
Not connected
2
GND*
Interface ground
3
+TX
(+) Transmit data
4
-TX
(-) Transmit data
5
-RX
(-) Receive data
6
+RX
(+) Receive data
7
-A out
(-) Address output
8
+A out
(+) Address output


CN5 NETWORK IN (HOST)
PIN
SIGNAL
DESCRIPTION
1
+5V
RS-232 adapter power supply
2
GND*
Interface ground
3
+TX
(+) Transmit data
4
-TX
(-) Transmit data
5
-RX
(-) Receive data
6
+RX
(+) Receive data
7
-A in
(-) Address input
8
+A in
(+) Address input

*

POWER GND and GND are electrically connected. Drive Case is isolated from drive circuitry and can be
grounded externally. Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.


1155 Tasman Drive


Sunnyvale, CA 94089 Tel: (408) 744-0974


www.logosolinc.com 6

SAMPLE APPLICATION using AC (brushless) motor



SAMPLE APPLICATION using DC (brush) motor



Logosol AC/DC Intelligent Servo Drive for Coordinated Motion Control LS-174

Doc # 712174001 / Rev. 1.07, 05/09/2002
Logosol, Inc.