Θ / %
t / min
I / I
D5Z50BEB_EN
τ / min
1000
30
1
0
1
2 3
4 5
6
7
8 9 10
11
0.01
0.1
1
10
100
1000
10000
0.001
200
110
50
200
110
50
200
110
50
ref
Fig. 3-130: Tripping characteristic of the thermal overload protection.
Tripping characteristics apply to Δϑ
0
= 0 % and identical settings for the
maximum permissible coolant and the updated measurement of the object
temperature.
3.25.5 Coolant Temperature Acquisition
To permit acquisition of the coolant temperature, an analogue I/O module Y must
be fitted to the P634. If this module is not present then the setting at
THRM1: Default CTA PSx is used in the calculation of the tripping time.
pThe setting at THRM1: Bl. f. CTA fault PSx defines whether the thermal
overload protection function will be blocked in the event of a fault in the coolant
temperature acquisition.
P634
3 Operation
3-178 P634/EN M/R-42-A // P634‑311‑653