Bird Technologies 4421-488 User Manual
Bird Technologies Measuring instruments
MODEL 4421-488
PROGRAMMING CARD
General Bus Commands
FUNCTION
COMMAND
DESCRIPTION
Initialize
INT
Place in factory-set default conditions
Command
Trigger
TRG
Take a reading in T3 (one shot on trigger mode)
Software Hand-
shake
XO
XF
Enable software handshake
Disable software handshake
Enter Data
ENT
Send a reading to RS-232 controller
Baud Select
B1
B2
Set to 110
Set to 300
B3
B4
B5
Set to 600
Set to 1200
Set to 2400
B6
B7
Set to 4800
Set to 9600
Device Dependant Commands
FUNCTION
COMMAND
DESCRIPTION
Measurement
FC
FD
Forward Carrier Wave
Forward dBm
RC
RD
Reflected Carrier Wave
Reflected dBm
SW
RL
Standing Wave Ratio
Return Loss
MN
MX
Minimum Loss
Maximum Value
Range
RYY
R00
Auto range on
Lowest range
R01
.
.
.
R17
RNN
Highest range
Auto range off—stick on present range
Terminators
YT
YO
YN
Two terminators: CR, LF
One terminator: CR
No terminator
Prefixes
PY
PN
Prefix yes
Prefix no
Triggers
T0
T1
Continuous on ENT
One shot on ENT
T3
T5
One shot on TRG
One shot on measuerment command
Status
U0
U1
U2
Send back current machine state
Send back error conditions
Send back revision levels
Self-Test
J0
Run selt-test
Writable Store
WXXXXXX
Place XXXXXX in RAM
MODEL 4421-488
PROGRAMMING CARD
General Bus Commands
FUNCTION
COMMAND
DESCRIPTION
Initialize
INT
Place in factory-set default conditions
Command
Trigger
TRG
Take a reading in T3 (one shot on trigger mode)
Software Hand-
shake
XO
XF
Enable software handshake
Disable software handshake
Enter Data
ENT
Send a reading to RS-232 controller
Baud Select
B1
B2
Set to 110
Set to 300
B3
B4
B5
Set to 600
Set to 1200
Set to 2400
B6
B7
Set to 4800
Set to 9600
Device Dependent Commands
FUNCTION
COMMAND
DESCRIPTION
Measurement
FC
FD
Forward Carrier Wave
Forward dBm
RC
RD
Reflected Carrier Wave
Reflected dBm
SW
RL
Standing Wave Ratio
Return Loss
MN
MX
Minimum Loss
Maximum Value
Range
RYY
R00
Auto range on
Lowest range
R01
.
.
.
R17
RNN
Highest range
Auto range off—stick on present range
Terminators
YT
YO
YN
Two terminators: CR, LF
One terminator: CR
No terminator
Prefixes
PY
PN
Prefix yes
Prefix no
Triggers
T0
T1
Continuous on ENT
One shot on ENT
T3
T5
One shot on TRG
One shot on measuerment command
Status
U0
U1
U2
Send back current machine state
Send back error conditions
Send back revision levels
Self-Test
J0
Run selt-test
Writable Store
WXXXXXX
Place XXXXXX in RAM