Kollmorgen
2.5
Electrical Installation
2.5.1
Connecting
DANGER
DC Bus link terminals in servo systems carry high DC voltage of up to
900 V. Touching the terminals while they are carrying voltage is extremely
dangerous. Switch off (disconnect) the line voltage. You must only work
on the connections when the system is disconnected.
It can take over an hour for the modules to self-discharge. Check the sta-
te of charge with a measuring device that is suitable for a DC voltage of
up to 1,000 V. When measuring a voltage of over 60 V between the
DC+/DC- terminals or to ground, discharge the modules (see chapter
"Discharging KCM modules" on p.18).
Maximum cable length between servo amplifier and KCM module: 500 mm.
Twist the cables. Longer cable lengths require shielding.
Prerequisite for the following instructions:
-
-
-
Connecting the KCM-S (do this in the order specified)
1.
2.
3.
4.
5.
Connecting the KCM-P (do this in the order specified)
1.
2.
3.
4.
Connecting the KCM-E (do this in the order specified)
1.
2.
3.
Instruction Manual
08/2014
Properly disconnected, grounded system
KCM modules are assembled in the switching cabinet
Discharge aids (plug-in bridge, connecting cables) are plugged in as they were
upon delivery.
(Capacitances are permanently connected to the integrated discharge resistor.)
First connect the protective ground.
Check that the DC Bus to which you wish to connect the KCM-S is de-energized.
Connect the BR connection to the servo amplifier with the most frequent
regenerative braking processes in the system. This servo amplifier must have an
active internal or external brake resistor.
Connect the DC+/DC- connections to the DC Bus link.
Ensure that the polarity is correct; swapping round DC+/DC-
will damage the KCM modules beyond repair.
Remove the discharge aids (plug-in bridge).
First connect the protective ground.
Check that the DC Bus to which you wish to connect the KCM-P, is de-energized.
Connect the DC+/DC- connections to the DC Bus link.
Ensure that the polarity is correct; swapping round DC+/DC-
will damage the KCM modules beyond repair.
Remove the discharge aids (plug-in bridge).
First connect the protective ground.
Detach the connecting cable from the KCM-E and plug it in between
KCM-E/X3 and KCM-S(-P)/X1 for discharging purposes. Wait at least 140 s.
Detach the connecting cable and plug it in between KCM-E/X1 and KCM-S(-P)/X1.
KCM Capacitor Modules
English - 15