HS50_advance_level 2 - 第71页
Stud ent Gu ide HS-5 0 Adva nced II 07/2 002 Ed ition 3 Power Supply 33 )LWW LQJW KHPRWRU WULSE ORFN ➠ Check th e type of m otor tri p block before in serting it. The t ype i s depende nt on the operatin…
07/2002 Edition Student Guide HS-50 Advanced II
3 Power Supply
32
Turn the switch (1) counter-clockwise to position "0"
Fold down the safety flap (2)
Student Guide HS-50 Advanced II 07/2002 Edition
3 Power Supply
33
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➠ Check the type of motor trip block before inserting it. The type is dependent on the operating
voltage.
Use the screwdriver to push the yellow locking lug (3) upwards
Remove the motor trip block (4)
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415 VAC ± 5 % ZM-16-PKZ2
400 VAC ± 5 % ZM-16-PKZ2
380 VAC ± 5 % ZM-16-PKZ2
230 VAC ± 5 % ZM-32-PKZ2
204 VAC ± 5 % ZM-32-PKZ2
07/2002 Edition Student Guide HS-50 Advanced II
3 Power Supply
34
➠ Check the overcurrent trip and short-circuit current trip threshold settings.
➠ Insert the motor trip block.
➠ Push the yellow locking lug down.
➠ Close the grey safety flap.
➠ Turn the rotary switch clockwise as far as the stop.
➠ Switch the placement system on at the main switch.
➠ Use the digital voltmeter to measure the main power supply voltage at terminals L1, L2, L3 and
T1, T2 and T3.
➠ Complete the servicing work as described in 3.3.3 on page 3 - 29.
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– Set of slotted-head screwdrivers
– Self-adhesive labels
– Digital multimeter
– HS-50 detailed circuit diagrams
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ZM-16-PKZ2 12 A 190 A
ZM-32-PKZ2 24 A 375 A
Check the overcurrent trip
threshold (yellow dial)
Check the short-circuit
current trip threshold
(read dial)