PP8xx LED Controller - User Manual
Where:
f
output channel (0 to 7)
p
pulse width in microseconds
d
delay from trigger to pulse in microseconds
a
output current in amps
r
retrigger delay in microseconds (optional).
For example: Set channel 2 to pulsed output at 4A, with a pulse
width of 1ms after a delay of 500us:
RT2,1000,500,4
10.5 Command summary
Command
Example
Effect
AW
AW
Save changes.
ST
ST2
Show configuration for channel 2.
VR
VR
Read the firmware version.
RS
RS2,0.7
Set channel 2 to 0.7A continuous.
RW
RW1,1.1
Set channel 1 to 1.1A, switched by
input 1.
RT
RT2,3,4,1.9
Set channel 2 to 3ms pulses, delayed by
4ms, with an output pulse current of
1.9A.
FP
FP1
Trigger all channels from trigger 0 input.
TT
TT1,1ms
Set test mode with pulses every 1ms.
CL
CL
Clear all output settings.
TR
TR2
Trigger channel 2.
EY
EY65,66
Set webpage password to 'AB'.
GR
GR
Read any error messages.
GT
GT1
Enable Ethernet messages.
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PP8xx LED Controller - User Manual
11
PP8xx reference information
This section contains information about the PP8xx's specification, ratings
and error codes.
11.1 Specifications and ratings
PP82x
PP86x
Configuration/
control
Ethernet using TCP/IP or UDP
configured using a web
browser, or from the user's
application software
RS232 commands from a
terminal, or from the user's
application software
Output channel
options
8 independent, constant current output channels
Output current
options
PP820/860: 20A pulsed, 2A continuous, in steps of 100mA
PP820C/860C: 20A pulsed, 2A continuous, in steps of 5mA
PP821/861: 2A pulsed, 2A continuous, in steps of 10mA
PP821C/861C: 2A pulsed, 2A continuous, in steps of 0.5mA
PP822/862: 5A pulsed, 2A continuous, in steps of 25mA
PP822C/862C: 5A pulsed, 2A continuous, in steps of 1.5mA
Trigger inputs
8 opto-isolated digital inputs
Pulse width timing
From 1ms to 300ms, in steps of 1μs
Timing repeatability: 100ns for pulses up to 1ms
Trigger to pulse
delay
From 4μs to 300ms in steps of
1μs. Timing repeatability: 2μs
From 4μs to 300ms in steps of
1μs. Timing repeatability: 1μs
Supply voltage
Regulated or unregulated, 12V to 48V
Quiescent supply
current
50mA (typically)
Total power
dissipation
8W in free air, (16W in free air below 25°C), 24W heatsinked
Operating
temperature
5°C to 40°C
Dimensions
215mm long x 54mm high x 82mm deep
Weight
600g
Mounting
Panel mounting: 6 x M4 tapped holes
Standards
CE, RoHS
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