Toshiba GR200 Series Instruction Manual page 208

Centralized busbar protection ied

Hide thumbs Also See for GR200 Series:

Table of Contents

Direct-operation mode (DIR)

In the DIR mode, a target device is controlled without the reception of the select command. An

enhanced security mode (DOes) is also provided when the user wishes to control a device with

additional security rather than the normal level of security experienced with mode (DOns) .

DIR with enhanced security (DOes)

Figure 3.2-3 illustrates the server sending the Oper request to the IED; the server receives a

response, (answer#1) from the IED. The result is notified when the operation of the target

device is complete. The result includes status information; it informs whether the target device

has operated normally or not. Note that the control start of the target device is initiated

regardless of the state of the target device.

Figure 3.2-3 Direct control with enhanced security

DIR with normal security (DOns)

A response (answer#2) from the target device is not sent to the SAS in DOns, as shown in

Figure 3.2-4.

Figure 3.2-2 SBO with normal security

(Control function)

(Control function) Target device

Target device

Device status changed

6F2S1931 (0.20)

Centralized GRB200

(Soft: 030, 031, 032, 033, 034)

Show Quick Links

Chapters

Table of Contents