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2.4
Command Processing
A control command function is integrated in the 6MU805 device to coordinate the switching operations in the
substation.
Control commands can originate from four command sources:
• Operation using the Web Monitor
• Operation using DIGSI
• GOOSE message
• Automatic functions (e.g. via binary input)
Switchgear with single and multiple busbars are supported. The number of switchgear devices to be controlled
is limited only by the number of available binary inputs and outputs. Interlocking checks ensure high security
against maloperation, and a multitude of switchgear types and operating modes are available.
2.4.1
Control Device
Switchgear can also be controlled via the Web Monitor or via a connection to the substation control system.
Applications
• Switchgear with single and double busbars
Prerequisites
The number of switchgear devices to be controlled is limited by the
- existing binary inputs
- existing binary outputs
2.4.1.1 Description
Operation via the Optional Operation Panel of the Web Monitor
The Web Monitor features two buttons below the LED displays for the control.
Password and security prompts prevent unintended switching operations. The entries are confirmed using
.
E
NTER
Cancellation is possible at any time before the control command is issued or during switch selection via the E
key.
Command end, feedback, or any violation of the interlocking conditions are indicated.
For further information on the device operation, please refer to Section 2.5.
Operation Using DIGSI
When using DIGSI, switchgear can be controlled via the USB interface. The procedure for that is described in
the SIPROTEC 4 System Description/1/ (Control of Switchgear).
SIPROTEC, 6MU805, Manual
C53000-G1140-C380-5, Release date 06.2018
Functions
2.4 Command Processing
SC
47
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