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1.2
Configuration of Safety Node Unit
The following figure shows the units that make up the safety node unit (Model: SNB10D).
The power supply modules and ESB bus interface modules are always dual-redundantly con-
figured.
Grounding
terminal
Cable tray
Power supply module
ESB bus interface module
Input/Output module
Figure 1.2-1 Configuration of Safety Node Unit
n
Configuration of SNB10D
Table 1.2-1 Module Name and Model of Safety Node Unit
Name
Safety node unit
SNB10D
Power supply module (100-120 V AC)
SPW481
2pcs
Power supply module (220-240 V AC)
SPW482
2pcs
Power supply module (24 V DC)
SPW484
2pcs
ESB bus interface module
SSB401
2pcs
Dummy cover (for I/O module) (*1)
SDCV01
as required
*1:
:To cover the empty I/O module slot.
<1.2 Configuration of Safety Node Unit >
1-10
IM 32Q06C10-31E
4th Edition : Jan.30,2015-00