16
MEMORY AND RESET FUNCTION
OPERATING PRINCIPLE
Valve supply voltage is always stabilized 24 V DC ±10 % with a maximum ripple factor of 10 %.
Definition of logic values:
low value (logic 0) : 0........6 V (must stay between 0 to 6 volts)
high value (logic1) : 8........24 V (must stay between 8 to 24 volts)
To avoid interference, unused bits should be connected to ground.
Output pressure according to bit combinations :
PIN
CDEFGHI K OUTPUT PRESSURE
LSB MSB
0 0 0 0 0 0 0 0 (PMR / 255) x 0
1 0 0 0 0 0 0 0 (PMR / 255) x 1
0 1 0 0 0 0 0 0 (PMR / 255) x 2
1 1 0 0 0 0 0 0 (PMR / 255) x 3
0 0 1 0 0 0 0 0 (PMR / 255) x 4
1 0 1 0 0 0 0 0 (PMR / 255) x 5
0 1 1 0 0 0 0 0 (PMR / 255) x 6
1 1 1 0 0 0 0 0 (PMR / 255) x 7
0 0 0 1 0 0 0 0 (PMR / 255) x 8
1 0 0 1 0 0 0 0 (PMR / 255) x 9
0 1 0 1 0 0 0 0 (PMR / 255) x 10
1 1 0 1 0 0 0 0 (PMR / 255) x 11
0 0 1 1 0 0 0 0 (PMR / 255) x 12
1 0 1 1 0 0 0 0 (PMR / 255) x 13
0 1 1 1 0 0 0 0 (PMR / 255) x 14
1 1 1 1 0 0 0 0 (PMR / 255) x 15
0 0 0 0 1 0 0 0 (PMR / 255) x 16
........ . .
........ . .
........ . .
1 1 1 1 1 1 1 1 (PMR / 255) x 255
To calculate the output pressure in relation to the combinations of bits :
OUTPUT PRESSURE = (PMR / 255) x N
PMR (
MAP in english
) = maximum air pressure
N = decimal value of the bit combination (10100000 = 5)
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