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full scale power. Laser power can be increased or decreased in increments of 0.5%, from 40% to 100% of
full scale. The interface also allows monitoring of system status.
Commands consist of a single ASCII character, case-sensitive. This can be transmitted to the EQ-400 via a
terminal emulation program, or the user's control system. Response from the EQ-400 will be a string of
ASCII characters, format depending on the command issued. Reply strings are terminated by a CR - LF pair
(hex 0D 0A).
The following describes the serial commands and their functions.
Command
character
Function
Reply from EQ-400
U
Increases the present laser power
setpoint by 0.5% of full scale
Power = XXX.X%
D
Decreases the present laser
power setpoint by 0.5% of full
scale
Power = XXX.X%
Q
Queries the value of the present
laser power setpoint (in % of full
scale)
Power = XXX.X%
F
Resets laser power setpoint to
factory default value
Power = XXX.X%
B
Saves present settings to flash
memory. This command should be
issued after the settings are at
their desired values. If not,
changes will be lost if power to the
EQ-400 is interrupted.
Calibration data copied to FLASH Memory.
H
Query bulb operating time
Bulb time = XXXX secs
Z
Zero bulb operating time
Send 'z' within 10 sec. to confirm.
z
Confirm zeroing of bulb time
Bulb hours zeroed & flash saved
L
Query laser operating time
Laser time = XXXX secs
T
Query lamphead temperature
LH temp = XX.X degC
S
Query system status.
Returns a 16-bit decimal number
representing the present system
status.
See below for bit mapping.
0 to 65535
?
Displays a help menu listing the
available commands
EQ400 firmware vXXX build date
mm/dd/yyyy
(c) Energetiq Technology, Inc.
U/D Inc/Dec laser pwr (by 0.5% full
scale)
Q Query laser pwr setpoint
F Reset laser pwr to default
B Burn settings to flash memory
H Query bulb operating hrs
Z Zero bulb operating hrs
z (confirm above within 10 sec)
L Query laser operating hrs
T Query lamphead temp
S Query system status
? This menu
