1. System Installation Requirements
1-43
TI 32P01J10-01EN
S2PW50
S2PW50
S2EN50
S2EN50
S2NN30D
Power cable
External
power
supply
unit (*1)
S2BN1D
S2EN402
S2EN402
F-SB cable
Field power supply cable
S2SC70D
Noise
Filter
ESB Optical fiber cable
To next Node
I/O Cable
Power cable
Cabinet
I/O
N-ESB UTP cable
F010809.ai
To Protective
grounding system
I
O
M
I OM
(*3)
(*3)
Noise
Filter
(*2)
I/O Cable
S1BB4D
UTP cable
*1: The marine standard isn’t acquired to use S2PW50 by alone. Please don’t use for eld power supplies.
*2: This noise lter is for the external power supply unit. Regarding necessity of the noise lter, please follow directions on
instructions for marine standards of this external power supply unit.
*3: This ferrite core is for the external power supply unit. Regarding necessity of the ferrite core, please follow directions on
instructions for marine standards of this external power supply unit.
: Ferrite core is not necessary for the mounting positions shown in the dotted line boxes.
Figure Location of Ferrite Core Installation for N-IO (S2NN30D, S2BN1D, and S1BB4D)
Mar. 29, 2019-00