Siemens Argus 7SR21 - Page 475

Chapter 4 - Data Communications Definitions
© 2017 Siemens Protection Devices Limited Chapter 4 - Page 95 of 96
Appendix 1
The operating mode of the device is set via the setting, or through a command sent to a communications port. There
are four options; Local, Remote, Local or Remote and Service.
The following table illustrates whether a function is Enabled (✔) or Disabled (✖) in each mode.
✔
✔
Fig. A1 Operating Mode Table
Fault Information
Setting Information
Function
Operation Mode
Local Remote
Out of
Service
Control
Com1
✔ when Com1-Mode = Local
✔ when Com1-Mode = Remote ✖
Com2 (USB)
✔ when Com2-Mode = Local ✔ when Com2-Mode = Remote ✖
Com3
✔ when Com3-Mode = Local
Com4
✔ when Com4-Mode = Local
✔ when Com3-Mode = Remote
✔ when Com4-Mode = Remote
✖
✖
Fascia (Control Mode)
✔ ✖ ✖
Function Key (n)
✔
Binary Input (n)
✔ when BI (n) Mode = Local
✔ when F Key(n) Mode = Remote
✔ when BI (n) Mode = Remote
✖
✖
Binary Outputs
✔ ✔ ✖
Reporting
Spontaneous
IEC
✔ ✔ ✖
DNP3
✔
General Interrogation
✔ ✖
IEC
✔
DNP3
✔
✔
✔
✖
✔
MODBUS
✔ ✔ ✔
Change Settings
Com1
✔ when Com1-Mode = Local
✔ when Com1-Mode = Remote ✔
Com2 (USB)
✔ when Com2-Mode = Local
Com3
✔ when Com3-Mode = Local
✔ when Com2-Mode = Remote
✔ when Com3-Mode = Remote
✔
✔
Com4
✔ when Com4-Mode = Local
Fascia
✔
✔ when Com4-Mode = Remote
✔
✔
✔
Historical Information
Waveform Records
✔
Event Records
✔
✔
✔
✔
✔
✔
✔
✔
✔