2. Transportation, Storage and Installation
2-43
TI 32P01J10-01EN
Junction Box for N-IO System
This section describes examples of the maximum number of N-IO system equipment (except for
equipment for RIO System Upgrade) installed in general-purpose junction boxes.
The following shows the common specifications to the examples of junction boxes for N-IO
system that are explained later.
Junction Box Specifications
The following junction box is assumed to be used.
Table Junction Box Dimensions
W
D
H
Material
800 mm
300 mm
1000 mm
Metal
Product examples
Table The area of an air supply/air exhaust port
Area
Air supply port
—
Air exhaust port
—
—:
Not required
Table The requirement of a door fan
Air flow
Door fan
—
—:
Not required
Table Product examples
Manufacturer
Model
Junction Box
Rittal
AE1180 series
Notes
The following shows the common notes to the examples.
• The ventilation for each system shall not be blocked.
• The mounting plate for mounting the IOBP and IOBP_IS shall be made of metal, regardless
of whether DIN rail or panel mounting.
• A DIN rail shall be made of metal.
• For mounting restrictions other than the above, refer to the General Specifications (GS).
• When using a DIN rail, be sure to install a DIN rail on the mounting plate.
Fixing at the both ends of a DIN rail and not fixing at the middle.
Conventions
The following shows the common abbreviations used and their explanations.
Abbreviations
Explanations
NIU
Node Interface Unit or Base Plate for Node Interface Unit
IOBP
Base Plate
IOBP_IS
Base Plate Intrinsic Safety explosion protection
Unit
Unit of 19 inch rack. 1 Unit = 44.45 mm
Mar. 29, 2019-00