7SR210 & 7SR220 Description of Operation
Unrestricted ©2018 Siemens Protection Devices Limited Page 7 of 94
Symbols and Nomenclature
The following notational and formatting conventions are used within the remainder of this
document:
· Setting Menu Location MAIN MENU>SUB-MENU
· Setting: Elem name -Setting
· Setting value: value
· Alternatives: [1st] [2nd] [3rd]
c
start
trip
Elem Starter
Elem Inhibit
Elem Reset Delay
c
Forward
Reverse
Elem Char Dir
Non-Dir
L1 Dir Blk
PhaseAFwd
Binary input signal
Binary Output visible to user
Digital signal to/from another
element
List of settings associated with a specific
function
Appropriate list is TRUE when setting
selected.
Digital signal not visible to
user, internal to this element
IL1
Analogue signal with signal
description
Common setting for multiple functions
c
start
trip
Function.
Individual functions are enabled when
associated control input (c) is TRUE.
Common control input (c) for multiple
functions. All functions are enabled
when control input is TRUE.
&
And Gate
(2 inputs shown)
1
Or Gate
(3 inputs shown)
INST.
EVENT
EVENT: IEC, Modbus or DNP
Where applicable
Relay instrument
1
Exclusive Or (XOR) Gate
(3 inputs shown)
To Next Page
Loading...
