YOKOGAWA Centum VP User Manual

1. System Installation Requirements
1-19
TI 33J01J10-01EN
n Grounding
l Cabinet
 
Bakelite sheet (t=5 mm) to allow one point grounding.
• The grounding bar (1) to connect a grounding cable is located at the bottom of the cabinet
near the front panel and it is electrically connected to the cabinet.
• The grounding bar (2) for shielding the inside of the cabinet is on the bottom of the cabinet
near the back panel, which is isolated from the cabinet. Another grounding bar (3) for
shielding the inside of the cabinet is on the bottom of the cabinet near the front panel.
• The grounding bars (2) and (3) are connected to the grounding bar (1) by a cable of 5.5 mm
2

 
(for shielding and for connecting a grounding cable), disconnect the cable between the
grounding bar (1) and (3) or (1) and (2), then ground separately.
F010401.ai
Cabinet (FCS)
Front
Grounding conductor terminal:
M8 hexagon head bolt
Junction terminal: M5 screw
Protective grounding system
Channel base
Isolating plate (Bakelite)
Grounding conductor
Cabinet shielding ground bar
(It is isolated from the cabinet)
(1)
(2)
(3)
Figure Grounding Bars
Dec. 28, 2015-00

YOKOGAWA Centum VP Specifications

General

System Type	Distributed Control System (DCS)
Architecture	Client-Server
Control Network	Vnet/IP
Controller Type	FCS (Field Control Station)
Programming Languages	Function Block Diagram (FBD), Sequential Function Chart (SFC), Ladder Diagram (LD), Structured Text (ST)
Operating System	Real-time OS (for Controllers)
Redundancy	Controller, Communication Network, Power Supply
I/O Modules	Analog I/O, Digital I/O
Communication Protocols	Modbus, OPC, Foundation Fieldbus, Profibus, HART
Scalability	From small to large applications
Security	User Authentication, Authorization, Audit Trail
Integration Capabilities	OPC UA, Modbus, Ethernet/IP