32
i
Chapter 4 Communication
CDS-3310
Explanation of Status and Axis Switch Information
Header Information – Byte 0, 1 of Header:
BIT 15
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
1
N/A N/A N/A N/A I
Block
Present
T Block
Present
S Block
Present
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
H Block
Present
G Block
Present
F Block
Present
E Block
Present
D Block
Present
C Block
Present
B Block
Present
A Block
Present
Bytes 2, 3 of Header:
Bytes 2 and 3 make a word, which represents the Number of bytes in the data record, including the
header.
Byte 2 is the low byte and byte 3 is the high byte
NOTE:
The header information of the data records is formatted in little endian.
General Status Information (1 Byte)
BIT 7
BIT6
BIT5
BIT4
BIT3
BIT 2
BIT 1
BIT 0
Program
Running
N/A N/A N/A N/A Waiting
for
input from IN
command
Trace On Echo On
Axis Switch Information (1 Byte)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Latch
Occurred
State of
Latch
Input
N/A N/A State
of
Forward
Limit
State of
Reverse
Limit
State of
Home
Input
N/A
Axis Status Information (2 Bytes)
BIT 15
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
Move in
Progress
Mode of
Motion
PA or
PR
Mode of
Motion
PA only
(FE)
Find
Edge in
Progress
Home
(HM) in
Progress
1
st
Phase
of HM
complete
2
nd
Phase
of HM
complete
or FI
comman
d issued
Mode of
Motion
Coord.
Motion
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Negative
Direction
Move
Mode of
Motion
Contour
Motion
is
slewing
Motion
stopping
due to
ST or
Limit
Switch
Motion
is
making
final
decel.
Latch is
armed
Off On
Error
armed
Motor
Off
Summary of Contents for CDS-3310
Page 26: ...18 i Chapter 2 Getting Started CDS 3310 THIS PAGE LEFT PLANK INTENTIONALLY...
Page 32: ...24 i Chapter 3 Connecting I O CDS 3310 THIS PAGE LEFT PLANK INTENTIONALLY...
Page 124: ...CDS 3310 Chapter 8 Hardware Software Protection i 63 THIS PAGE LEFT PLANK INTENTIONALLY...
Page 138: ...CDS 3310 Chapter 10 Theory of Operation i 77 THIS PAGE LEFT BLANK INTENTIONALLY...