Micom P634 - Page 528

Parameter Address
Default Min Max Unit Logic Diagram
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THRM2: Tim.const.2,<Ibl PSx
081 103 082 103 083 103 084 103
30.0 1.0 1000.0 min
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Setting for the thermal time constants of the protected object without current
flow (Ibl: base line current).
Note: This setting option is only relevant when machines are running. In all
other cases, time constant 2 must be set equal to time constant 1.
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THRM1: Max.perm.obj.tmp.PSx
081 077 082 077 083 077 084 077
120 0 300 °C Fig. 3-132, (p. 3-180)
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THRM2: Max.perm.obj.tmp.PSx
081 097 082 097 083 097 084 097
120 0 300 °C
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Setting for the maximum permissible temperature of the protected object.
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THRM1: Max.perm.cool.tmpPSx
081 080 082 080 083 080 084 080
40 0 70 °C Fig. 3-132, (p. 3-180)
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THRM2: Max.perm.cool.tmpPSx
081 100 082 100 083 100 084 100
40 0 70 °C
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Setting for the maximum permissible coolant temperature.
Note: This setting is active only if the coolant temperature is measured via the
PT 100 or the 20 mA input.
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THRM1: Select CTA PSx
081 072 082 072 083 072 084 072
0: Default temp. value Fig. 3-131, (p. 3-179)
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THRM2: Select CTA PSx
081 092 082 092 083 092 084 092
0: Default temp. value
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Select the mode of the coolant temperature acquisition. Select from:
●
No data acquisition. A default temperature value is used instead,
●
data acquisition via the PT 100 input,
●
data acquisition via the 20 mA input.
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THRM1: Default CTA PSx
081 081 082 081 083 081 084 081
40 -40 70 °C Fig. 3-132, (p. 3-180)
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THRM2: Default CTA PSx
081 101 082 101 083 101 084 101
40 -40 70 °C
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Setting for the coolant temperature to be used for calculation of the trip time if
there is no data acquisition for the coolant temperature.
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THRM1: Bl. f. CTA fault PSx
081 073 082 073 083 073 084 073
1: Yes Fig. 3-131, (p. 3-179)
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THRM2: Bl. f. CTA fault PSx
081 093 082 093 083 093 084 093
1: Yes
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This setting specifies whether the thermal overload protection function will be
blocked in the event of faulty coolant temperature acquisition.
P634 7 Settings
7-174 P634/EN M/R-42-A // P634‑311‑653