IDEC MICRO3 User Manual

4: SPECIAL FUNCTIONS
4-24 USER’S MANUAL
Power Supply Timing Chart
Digital Resolution
Type of Protection
• Input Circuit
• Output Circuit
A/D Converter Power
ON
OFF
≥ 0 sec
MICRO
3
Main Power
ON
OFF
≥ 0 sec
Power up the A/D converter unit and MICRO
3
at the same time, or power up the MICRO
3
first.
Power down the A/D converter unit and
MICRO
3
at the same time, or power down the
A/D converter first.
Input
A/D Converted Value
Minimum Maximum
0
249
250 increments
If the input signal changes within the conversion
time of 125 msec, an error in the converted value
will result.
If the input to the A/D converter unit is below the
minimum input, 0 is set to the destination operand
of the A/D instruction.
If the input to the A/D converter unit is over the
maximum input, an overflow occurs and 250 is set
to the destination operand of the A/D instruction.
A/D Converted Value
Analog Input Value Minimum Input Value–
Maximum Input Value Minimum Input Value–
---------------------------------------------------------------------------------------------------------------------
249 × =
Full Scale
250
ANALOG INPUT +
ANALOG INPUT –
+V
–V
Input
Resistor
10Ω
10Ω
+
–
+V
–V
Differential
Amplifier
Open collector
The output selector switch is used to select sink or source output.
–24V DC
+24V DC
OUTPUT
(GND)
SINK
SCE
PNP
NPN
Internal Circuit

IDEC MICRO3 Specifications

General

Brand	IDEC
Model	MICRO3
Category	Controller
Language	English