Kds programmable pumps – KD Scientific 200 Programmable Manual User Manual
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11
KDS Programmable Pumps
As viewed from rear of the pump.
Pin
1,6
Controlled Output
High/Low states set at start of each step
(could be used for valve control)
2
Directional Output
High - infuse, low - refill (stays high when stopped)
5
Audible Alarm Option
Pulses with "end of program" audible alarm feature
7
Run Indicator
High - running, low - stopped
To actuate the pump connect ground, Vss to the following pins.
3
Vss , Ground Ref.
8
Trigger
Falling edge ends [1] starts the program and [2] ends
pause and starts next step
4
Jump
Program jumps to the end of the step in progress
2
Directional Output
High - infuse, low - refill (stays high when stopped)
5
Audible Alarm Option
Pulses with "end of program" audible alarm feature
9
Wait/Continue
When running, High/Low state change acts like
run/stop key, or the RS232 commands wait/continue
4+ 9 End Program
Change simultaneously - ends the program
Logic Low
0 - 0.5V, max 2ma current sink
Logic High
2V - 5V
TTL Specifications
5
4
9
8
7
6
3
2
1