IDEC MicroSmart - Manual (Page 337)

20: P ULSE I NSTRUCTIONS
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Destination Operand D1 (Status Relay)
Three internal relays starting with the operand designated by D1 indicate the status of the PWM instruction. These oper-
ands are for read only.
D1+0 Pulse Output ON
The internal relay designated by operand D1+0 remains on while the PWM instruction generates output pulses. When the
start input for the PWM instruction is turned off or when the PWM1 instruction has completed generating a predetermined
number of output pulses, the internal relay designated by operand D1+0 turns off.
D1+1 Pulse Output Complete
The internal relay designated by operand D1+1 turns on when the PWM1 instruction has completed generating a predeter-
mined number of output pulses or when either PWM instruction is stopped to generate output pulses. When the start input
for the PWM instruction is turned on, the internal relay designated by operand D1+1 turns off.
D1+2 Pulse Output Overflow
The internal relay designated by operand D1+2 turns on when the PWM1 instruction has generated more than the prede-
termined number of output pulses. When the start input for the PWM instruction is turned on, the internal relay designated
by operand D1+2 turns off.
Operand Function Description R/W
D1+0 Pulse output ON
0: Pulse output OFF
1: Pulse output ON
R
D1+1 Pulse output complete
0: Pulse output not complete
1: Pulse output complete
R
D1+2 Pulse output over flow
0: Over flow not occurred
1: Over flow occurred (PWM1 only)
R