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Siemens UL 489 - Page 129

Siemens UL 489
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9 – 27
"Display parameter changes" screen
The display automatically switches to this mode when a parameter has been changed via the rotary coding switches, provided an external
24 V DC voltage supply has been connected.
Screens displayed in "Display parameter changes" mode
Display of the changed value
Displayed technical data and units
IR
ISD
Ii
IN
Ig
Ig.alarm
tg
I^2tg
I^2tR
I^4tR
tSD
I^2tSD
th.mem
Current for overload tripping
Current for short-time delayed short-circuit tripping
Current for instantaneous short-circuit tripping
Current for overload protection of the N conductor
Current for ground-fault protection tripping
(this is only displayed if ground-fault protection module is available)
Response current for ground-fault protection alarm indicator
(this is only displayed if a ground-fault protection module is installed)
Delay time for ground-fault protection (this is only displayed if a ground-fault protection module is installed)
Inverse-time delay (I
2
t-dependent) of ground-fault protection (this is only displayed if a ground-fault protection module is installed)
Inverse-time delay (I
2
t-dependent) for overload tripping
Inverse-time delay (I
4
t-dependent) for overload tripping
Delay time for short-circuit tripping
Inverse-time delay (I
2
t-dependent) for short-circuit tripping
Indicates whether thermal memory is On/Off
Button functions in "Display parameter changes" mode
The changed value is displayed for 4 seconds. The display then switches back to the previous mode.
Parameter changed:
XXXXXX.=...000000.YY
Ch
ange
d
d
a
t
a Un
it
IR.....=....00000.YY A
ISD....=....00000.YY A
Ii.....=....00000.YY A
IN.....=....00000.YY A
Ig.....=.....0000.YY A
Ig.alarm.=...0000.YY A
tg.....=......000.YY ms
I^2tg..=......000.YY ms
I^2tR..=......000.YY s
I^4tR..=........0.YY s
tSD....=......000.YY ms
I^2tSD.=......000.YY ms
th.mem.=.........YYY ..

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