APPENDIX C. FIRMWARE COMMANDS
43
C.2.8
Status Word
— B Format
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
AC
Q
Cy
cles
b
it
0
AC
Q
Cy
cles
b
it
1
AC
Q
Cy
cles
b
it
2
AC
Q
Cy
cles
b
it
3
0
=
M
o
d
e
1
A
D
ata
OK
1
=
M
o
d
e
1
A
D
ata
OVF
0
=
RT
D
Re
p
o
rtin
g
M
o
d
e
O
FF
1
=
RT
D
Re
p
o
rtin
g
M
o
d
e
O
N
Sp
are =
0
Sp
are =
0
C.2.9
Valid Command Response
NOTE
This is embedded in the header for the DATA and PARAMETER type transfers.
Byte #
Data (hex)
Description
1
0x06
CTRL+’F’ character sent when a valid command is recognized.
C.2.10 Data Acquisition Complete (Returned in Both Free-Run and Triggered
Modes)
Byte #
Data (hex)
Description
1
0x04
CTRL+’D’ character sent at the end of the acquisition cycle.
NOTE
1) Returned data is in 8-bit binary format.
2) Check sum is a 16-bit sum of all data and header information sent per packet.
C.3
Multiplicity Counter Communications Protocol and Commands
Ver. VI (Six Acquisition Modes)
C.3.1
BAUD Rate and Format
•
9600, 14.4K, 19.2K, 38.4K, 57.6K, 115.2K BAUD
•
(BAUD Sw = 6, 3, 5, 4, 1, 0 respectively)
•
1 start bit
