2. Transportation, Storage and Installation
2-21
TI 32P01J10-01EN
Providing Space for Heat Dissipation
Leave space to permit heat dissipation just as for a DIN rail mountable device.
Providing Area for Servicing
Leave an area for servicing just as for a DIN rail mountable device.
Grounding
Be sure to ground the equipment using the functional ground terminal provided on the base plate.
Mounting of Base Plate
• Mount a wall mountable device to a metal mounting plate using screws.
• To ground the S2BN4D at a single point, the back plate of S2BN4D must be insulated from
mounting plate.
F020515.ai
M4 screw
Spacer
Base plate for node interface unit
Figure Example of Mounting Node Interface Unit to Wall
Table Screw and Washer for Wall Mounting
Model
Screw
diameter
Screw length
Washer Type/Washer Outer
diameter
Tightening Torque
(N•m)
S2NN30D
M4
Accessory (Retainer screw)
0.8 to 1.0
S2BN1D
M4
Accessory (Retainer screw)
0.8 to 1.0
S2BN4D (*1)
M4
— (*2)
Plane washer / 9 mm or smaller
1.2
S2BN5D
M4
16 mm or longer
(When the washer is not used)
1.2
18 mm or longer
Plane washer / 8 mm or smaller
*1:
A back plate of S2BN4D is connected to functional grounding terminal. In order to ground at a single point, insulate the back
plate from mounting plate using insulated supporter.
*2:
The screw length depend on an insulated supporter specification. The screw length is decided using the thickness of the
S2BN4D back plate (1.6 mm) and a washer.
SEE
ALSO
For the screw mounting dimensions for wall mounting, refer to the General Specifications (GS) for the
corresponding device.
Oct. 25, 2016-00