7.14
ThR – Thermal replica module
7.14.1
ThR: Device Planning Parameters
ThR . Mode
[Device planning / Projected Elements]
“-”
“-”, use
P.1
Thermal replica module, general operation mode
ThR . Definition
[Device planning / Definition]
Trip
Trip, Alarm
P.1
Thermal replica module: If set to “Alarm”: The function operates as a supervision function, i.e. a fault generates
neither alarm nor trip, but an »Alarm« signal gets issued instead. If set to “Trip”: The function operates as a
protection function, i.e. trips the breaker in case of a fault.
7.14.2
ThR: Settings
ThR . Function
[Protection Para / ThR]
Active
Inactive, Active
P.1
Permanent activation or deactivation of module/stage.
ThR . Ib
[Protection Para / ThR]
1.00In
0.5In . . . 2.00In
P.1
Base current: Maximum permissible thermal continuous current.
ThR . K
[Protection Para / ThR]
1.00
0.80 . . . 1.50
P.1
Overload Factor: The maximum thermal limit is defined as k*IB, the product of the overload factor and the base
current.
ThR . Pre-Alarm Lev.
[Protection Para / ThR]
80%
50% . . . 100%
P.1
Threshold value for the Thermal Level. If the thermal level exceeds this setting the signal »ThR . Pre-Alarm« is
issued.
ThR . τ-warm
[Protection Para / ThR]
300s
10s . . . 30000s
P.1
Warming-up time constant
59
WIC1
WIC1-1.0-EN-REF
7 Protection Parameter
7.14 ThR – Thermal replica module