FX Series Programmable Controlers Applied Instructions 5
5-67
5.6 High Speed Processing - Functions 50 to 59
Contents:
Page
REF - Refresh FNC 50 5-53
REFF - Refresh and filter adjust FNC 51 5-53
MTR - Input matrix FNC 52 5-54
HSCS - High speed counter set FNC 53 5-55
HSCR - High speed counter reset FNC 54 5-56
HSZ - High speed counter
zone compare FNC 55 5-57
SPD - Speed detect FNC 56 5-60
PLSY - Pulse Y output FNC 57 5-61
PWM - Pulse width modulation FNC 58 5-62
PLSR - Ramp Pulse output FNC 59 5-63
Symbols list:
D - Destination device.
S - Source device.
m, n- Number of active devices, bits or an operational constant.
Additional numeric suffixes will be attached if there are more than one operand with the same
function e.g. D
1,S3 or for lists/tabled devices D3+0, S+9 etc.
MSB - Most Significant Bit, sometimes used to indicate the mathematical sign of a number, i.e.
positive = 0, and negative = 1.
LSB - Least Significant Bit.
Instruction modifications:
PPP - An instruction operating in 16 bit mode, where PPP identifies the instruction
mnemonic.
PPPP - A 16 bit mode instruction modified to use pulse (single) operation.
DPPP - An instruction modified to operate in 32 bit operation.
DPPPP - A 32 bit mode instruction modified to use pulse (single) operation.
( - A repetitive instruction which will change the destination value on every scan unless
modified by the pulse function.
) - An operand which cannot be indexed, i.e. The addition of V or Z is either invalid or will
have no effect to the value of the operand.
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