Omron NX-EIC202 User Manual

5 - 19
5 Designing the Power Supply System
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
5-4 Selecting External Power Supplies and Protective Devices
5
5-4-3 Selecting Protective Devices
Consider the following items when you select protective devices.
• Protective device specifications (breaking/fusing, detection characteristics, steady current value, etc.)
• Inrush current when power is turned ON
• Inrush current when connected external devices turn ON and OFF
*1
*1. Refer to 5-3-4 Restrictions on Inrush Current for ON/OFF Operation on page 5-14 for information on the
inrush current when connected external devices are turned ON and OFF.
For the breaking/fusing time, use protective devices that meet the conditions in the following table.
 For Unit Power Supply
 For I/O Power Supply
The following values apply for a Unit which has 10 A of current capacity of the power supply termi-
nals.
The following values apply for a Unit which has 4 A of current capacity of the power supply termi-
nals.
Selecting Protective Devices
Current Breaking/fusing time
6 A 1 min max.
12 A 15 s max.
21 A 5 s max.
30 A 2.5 s max.
Current Breaking/fusing time
14 A 1 min max.
28 A 9 s max.
56A 1.5 s max.
70 A 0.8 s max.
Current Breaking/fusing time
6 A 1 min max.
12 A 15 s max.
21 A 5 s max.
30 A 2.5 s max.

Omron NX-EIC202 Specifications

General

Brand	Omron
Model	NX-EIC202
Category	Controller
Language	English