YOKOGAWA Model AW810D Wide Area Communication Router

 GENERAL

Wide Area Communication Router (WAC Router) is

the hardware equipment to connect Vnet/IP domains

via Wide Area Network (WAN).  Operations and

monitoring of the FCS/SCS that are distributed

in remote areas can be realized.  Satellite

communications can also be used as a WAN.

 HARDWARE SPECIFICATIONS

About the installation and environmental conditions of

the WAC Router, refer to “Integrated Production Control

System CENTUM VP System Overview (Vnet/IP

Edition) (GS 33K01A10-50E),” which is common with

the WAC Router.

 Communication specifications

Vnet/IP Communication Interface (*1):

Dual-Redundant

WAN Communication Interface:

Single or Duplexed (100BASE-TX)

*1:

For more details, refer to “Integrated Production

Control System CENTUM VP System Overview

(Vnet/IP Edition)” (GS 33K01A10-50E).

 Hardware configuration

Power Supply Module (PW441. PW442. or PW444):

Two modules for dual-redundant configuration

Communication Module (VI461):

Two modules for dual-redundant configuration

Note: No single configuration is available.

 Mounting type

19-inch Rack-mount (M5 x 4 screws)

Insulation bushes are used as accessory.

 Connection terminal specifications

Power Supply: M4 screw terminal connection

Grounding:

M4 screw terminal connection

Vnet/IP (BUS1/BUS2):

RJ-45 Modular jack

(ISO8877-compliant)

WAN (WAN1/WAN2):

RJ-45 Modular jack

(ISO8877-compliant)

 Power supply voltage and frequency

100-120 V AC, 50/60 Hz (PW441)

220-240 V AC, 50/60 Hz (PW442)

24 V DC (PW444)

Specify with Suffix Codes.

 Power consumption

100-120 V AC: 80 VA

220-240 V AC: 110 VA

24 V DC:

1.7 A

Power supply by a single power line or dual power line

is avaibable.

 Weight

Approx. 5.0 kg

 Regulatory compliance

Safety Standards

[CSA]

(for 100-120 V AC power supply)

[CE Marking]

(for 100-120 V AC, 220-240 V AC and

24 V DC power supply)

EMC Conformity Standards

[CE Marking]

(for 100-120 V AC, 220-240 V AC and

24 V DC power supply)

[C-Tick Marking]

(for 220-240 V AC and 24 V DC power

supply)

[KC Marking]

(for 100-120 V AC, 220-240 V AC and

24 V DC power supply)

For the detailed information of following standards,

refer to “System Overview (Vnet/IP Edition) (GS

33K01A10-50E).”

 WAN Requirements

One-way transmission bandwidth:

0.5 Mbps and faster (*1)

One-way transmission delay: 500 ms or less

Transmission quality:

1x10-6 or less (*2)

*1:

*2:

In case the WAC Router is used with the

bandwidth less than 0.5 Mbps, please contact

YOKOGAWA for more details.

This is the bit error rate (BER) between the WAC

Routers.  It is equivalent to the packet loss rate of

5x10-4 for the packet length of 64 byte and 1x10-2

for 1518 byte.

 Performance and Functions

 Frame filters function

By using Frame filters function, the transmission data

is filtered on the WAC Router. This function reduces

the control communication frames to be transmitted,

enabling efficient use of the limited bandwidth of the

WAN.  The specified type of message and time stamps

can be transmitted among specified domains and

stations.

 Time synchronization function

Time synchronization function maintains the time

differences among the Vnet/IP domains within 5

seconds via the WAC Routers.  With an SNTP sever

installed in each Vnet/IP domain shortens this time

differences to less than 5 seconds.

 The Bandwidth Limit Function and Preferential

Forwarding of Control Communication Frames

Function

Bandwidth Limit Function suppresses the Control

Communication Frame data volume to interexchange

among the WAN within the limit of the specified

bandwidth or less.  Data overflow among the WAN

exceeding the contracted bandwidth is prevented.

When the Bandwidth Limit Function is activated, the

Preferential Forwarding of Control communication

Frames Function also becomes activated.  In case

the transmission request to exceed the bandwidth

limit occurs, the control communication frame is

transmitted by giving the priorities based on the below

table.  Even when the WAC Router abandons any data

exceeding the bandwidth limit by its Bandwidth Limit

Function; however, transmission of important control

communication frames can be protected.

 Security function

In addition to the Vnet/IP’s security function, the WAC

Router has the function to destroy packets (such data

as unused protocols and unused port numbers) which

are not used in the WAC Router to reduce vulnerability.