Canon GC-251 用户手册
CANON Digital Galvano Scanner System
KP-1SM Series + GC-251
Users Manual 1.00
20
2.7.2 High-speed serial communication
To control the mirror to an arbitrary position by Marking or any other application, target position data
updated as required can be given to the controller by using high-speed serial communication.
By setting, the controller can be activated in the mode of tracking a target position specified by
high-speed serial communication.
(For details, see 6-1, “Setting Activation Mode.”)
(Communication specifications)
Base clock (CLK)
2 MHz
Frame sync (FS)
100 kHz
Data (DAT)
20 bits (Position data: 16 bits)
Status (STS)
20 bits
Transmission system
Differential signal
Signal level
5V-TTL, LVDS
(Selectable by the optional IF board)
For the support of other communication specifications, contact the Sales Department.
Timing Diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CLK
FS
XDAT
XData-1
XData
XData +1
YDAT
YData -1
YData
YData +1
STS
Status -1
Status
Status +1
(Bit)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
XDAT
C2
C1
C0
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
P
YDAT
C2
C1
C0
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
P
STS
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
(Bit)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
XDAT
D19 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
YDAT
D19 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
STS
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
CLK
Frequency :
2MHz
XDAT, YDAT(16bit Data)
C2 .. C0
:
Header ( un-used )
D15 .. D0
:
Position Data ( Signed Integer data )
P
:
Parity ( un-used )
(20bit Data)
D19 .. D0
:
Position Data ( Signed Integer data )
STS
S19 .. S0
:
( Status Table )
Input signal from PC
:
CLK, FS, XDAT, YDAT
Output signal from DRIVE:
STS
2MHz
16bit
Data
Data
20bit
Data
Data