Canon GALVANO GC-251 User manual

CANON Digital Galvano Scanner System
GC-251
KP-1SM30 、 SM100
Users Manual
Rev. 1.00
Be sure to read this guide before using the product.
Keep this guide carefully for future use.

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
2
For Safe and Correct Use
To prevent injury to the user or damage to property, this guide gives information for the safe and correct use of this
product.
Before installation, operation, maintenance, or inspection, be sure to read this guide.
Markings
This guide uses the following markings:
Warning
This indicates the possibility of death or serious injury by a fire or electric shock.
Caution
This indicates the possibility of injury or damage to property.
Warning
・Do not use the product in an atmosphere of inflammable or explosive gas or vapor.
・Use the product at the specified voltage.
・Connect the power supply line correctly.
・Do not install, operate, maintain, or inspect the product with wet hands.
・Do not disassemble or alter this product.
・Do not drop or cause impact to the product.
Caution
・Before installation, operation, maintenance, or inspection, thoroughly check that the device is safe.
・When connecting a connector, check the pin numbers with the power off.
・When connecting oscilloscope probes to the test pins, be careful not to apply tension to them.
・Since this product is a precision device, use it under the specified environmental conditions.
・Do not store or transport this product in a place exposed to direct sunlight, moisture, dust, or temperature of 60ºC
or higher.

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
3
Contents
1. Product Outline
1.1···Features··········································································································· 5
1.2···Configuration ·································································································· 5
2. Specifications
2.1 Galvano Motor (KP-1SM30, SM100)······························································ 6
2.2 Controller (GC-251)························································································ 7
2.3 Outline Drawing ······························································································ 8
2.4 Power Supply································································································ 10
2.5 Connections·································································································· 10
2.6 Connector Pin Arrangement········································································ 11
2.7 Control Specifications·················································································· 15
2.7.1 RS-232C command ·············································································· 16
2.7.2 High Speed Serial Communication······················································ 20
2.8 Heat Radiation and Installation···································································· 26
3. Software (GALILEO)
3.1 Supported PC Environment········································································· 27
3.2 Installation····································································································· 27
3.3 Activation······································································································· 30
3.4 Control Screen ······························································································ 32
4. Operating Procedure (Quick Start)
4.1 Controller Activation ···················································································· 34
4.2 Step Movement ····························································································· 36
4.3 Raster Scan··································································································· 37
4.4 Position Command Input by High-speed Serial Communication ············· 38
5. Monitor Output and Digital Input Functions
5.1 Connector Pin Arrangement········································································ 39
5.2 Analog Monitor Output Switching······························································· 42
5.3 Digital Input-Output Function ······································································ 45

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
4
6. Other - Operation Setting
6.1 Setting Controller Activation Mode····························································· 46
6.2 Operation that synchronizes with external trigger Signal input··············· 48
7. Commands
7.1 List of Commands························································································· 50
7.2 Details of Commands ··················································································· 52
8. Parameters
8.1 List of Parameters························································································· 64
8.2 Details of Parameters ··················································································· 67
8.3 Modifying Parameters··················································································· 82
8.4 Writing Parameters into ROM······································································ 83
8.5 Saving a Parameter File················································································ 84
9. Safety Functions
9.1 Safety Functions··························································································· 85
9.2 Errors············································································································· 86

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
5
1. Product Outline
1.1. Features
The Canon Digital Galvano Scanner System is fully digitally controlled with a high-precision
optical encoder on the galvano motor and a high-speed digital signal processor (DSP) on the
controller.
This system has the following features:
・High positioning precision
・Low temperature drift
・Fast and stable operation by a unique control system
・Easy tuning by parameter setting
1.2. Configuration
This system supports various applications by the combination of a galvano motor and a controller.
Galvano motor: Encoder-mounted galvano motor
KP-1SM30 ････ Beam diameter: φ10 to φ20 mm
KP-1SM100 ････ Beam diameter: φ20 to φ30 mm
Controller: Digital servo-controller
GC-251 ････ Controller for two-axis control
IF board: IF board for high-speed serial communication
GC-422 ････ IF board for 5V-TTL (RS-422)
GC-LVDS ････ IF board for LVDS level
Extension cable: Extension cable for galvano motor and controller connection
GM-EC ････ Encoder extension cable
GM-MC ････ Motor extension cable
Controller IF Board
Galvano Motor
Encode
r
Extension Cable
Moto
r
Extension Cable
Encoder Signal
Board

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
6
2. Specifications
2.1. Galvano Motor (KP-1SM30, KP-1SM100)
Performance and shape
KP-1SM30 KP-1SM100
Conforming
beam diameter
Φ10 to φ20 Φ20 to φ30
Scan angle ±20 deg ±20 deg
Number of encoder
pulses
83328 pulses/rotation 83328 pulses/rotation
Command resolution 0.036 μrad 0.036 μrad
Torque constant 0.041 Nm/A 0.093 Nm/A
Weight 0.95kg 1.65kg
(Reference) Command resolution
The controller of this system divides one encoder cycle into 2048.
KP-1SM30,SM100 is controlled by the following command resolution:
83328 pulses × 2048 divisions = 170655744 pulses/rotation (360°)
360°/ 170655744 = 0.000002109°= 0.036urad
Environmental conditions
Operating temperature and humidity 23℃±10℃, 80% RH or less (No condensation)
Storage temperature and humidity –20 to 60ºC, 90% RH or less (No condensation)
Note: The above operating temperature and humidity conditions depend on the operating and heat
radiation conditions.

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
7
2.2. Controller (GC-251)
Performance and shape
GC-251
Number of control axes 2
Control sampling 100 kHz
Maximum drive current 10 A (each axis)
Interface High-speed serial communication for position input (XY2-100)
Control RS-232C
Notch filter
Digital notch filter ×2
Digital low-pass filter ×1
Analog notch filter ×3
Weight 500 g
Environmental conditions
Operating temperature and humidity 0 to 50ºC, 90% RH or less (No condensation)
Storage temperature and humidity -20 to 60ºC, 90% RH or less (No condensation)
Note: The above operating temperature and humidity conditions depend on the operating and heat
radiation conditions.
Section names
Heat radiation
frame
Mounting screw
hole (M3 × 4)
Digital board (upper) Analog board (lower)
IF board
Mounting screw
hole (φ3.5 × 4)

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
8
2.3. Outline Drawing
KP-1SM30
KP-1SM100
（126.2）
37 11.5 7.5
φ56
0
φ6.35 -0.01
φ34
φ36h7
Motor CableEncorder Cable
Φ 48
Thermistor Cable
3-M4 Depth 8
TBD

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
9
GC-251
120
125
5
38
7
118
5
80 88
33
10
4-φ3.5
4-M3

CANON Digital Galvano Scanner System
 KP-1SM Series + GC-251
Users Manual 1.00
10
2.4. Power Supply
Power supply specifications
+24 V ± 10% 10 A (max) × 2 axes (For motor drive)
+5 V ± 5% 2.8 A (For control circuit)
2.5. Connections
IF board
Encoder Signal
Board
Axis1
Axis2
+24V power
+5V power
High Speed serial
Communication
RS-232C
Digital
Input/Output
Galvano motor