IDEC MICRO3 User Manual

1: GENERAL INFORMATION
1-28 USER’S MANUAL
Power Supply Voltage
The applicable power range for MICRO
3
is 85 to 264V AC or 19 to 30V DC. When MICRO
3
is powered up, the inrush cur-
rent flow is 40A maximum at 264V AC or 30V DC with the rated input and output.
Power failure voltage varies with the operating conditions of the program loader and the number of I/O points used. In most
cases, power failure is detected when the power voltage drops below 85V AC or 19V DC. Operation is stopped at this point to
prevent malfunctioning. Momentary power failures of 25 msec or less are not detected at the rated power voltage.
Other Precautions
Crimping Terminal
When connecting one wire to one terminal, use a crimping terminal shown on the left below.
Only when connecting two wires to one terminal, use the longer crimping terminal shown in the middle below.
• Use a power supply of the rated value. Use of a wrong power supply may cause fire hazard.
• Use an IEC127-approved fuse on the power line outside the MICRO
3
. This is required when
exporting equipment containing MICRO
3
to Europe.
Caution
• Do not use the MICRO
3
in environments outside of the specification values.
• Connect the FG terminal to a proper ground; otherwise, electrical shocks may be caused.
• Do not touch all screw terminals while the MICRO
3
is powered up; otherwise, electrical shocks
may be caused.
• Do not touch the input terminals immediately after inputs are turned off; otherwise, electrical
shocks may be caused.
Caution
4 mm
(0.157")
5.5 mm
(0.217")
5.6 mm
(0.220")
5.5 mm
(0.217")
ø3.2 mm
(0.126" dia.)
ø3.2 mm
(0.126" dia.)

IDEC MICRO3 Specifications

General

Brand	IDEC
Model	MICRO3
Category	Controller
Language	English