YOKOGAWA ProSafe-RS Technical Information

2. Explosion Protection Instrumentation in Zone 2/Division 2
2-4
TI 32S01J30-01E
 NI approved Products and Their Conguration Example
The gure below is an example of the conguration of NI approved products which can be
installed in hazardous areas.
For details, refer to Appendix for NI approved products.
F020106E.ai
<Hazardous area Class I, Division 2>
<Non-Hazardous area>
Cabinet
Cabinet
Vnet/IP
Bus1
Bus2
Unit for Optical Bus
Repeater Module
Fiber-optic cable
SNT501/L1NT501
SNT401/L1NT401
L2SW for Bus1
SSB401/L1SB401
+T Branch
SNU
SEA4D
SEA4D
SSB401/L1SB401
+T Branch
SEC401/L1EC401
SCU
SNU
L2SW for Bus2
L2SW: Layer 2 switch
SCU: Safety Control Unit
SNU: Safety Node Unit
Figure Example of the Conguration of NI
Dec. 3, 2021-00

YOKOGAWA ProSafe-RS Specifications

General

Brand	YOKOGAWA
Model	ProSafe-RS
Category	Industrial Equipment
Language	English