Kollmorgen
Mounting and Wiring
SILVER
LINE
®
Product Family
4-10
SO-4008
L
R
V
L
= ×
Equation 4.4
where:
R
L
is the value of the resistor
in kohm
V is the applied voltage (volts)
L is the line-to-line inductance
of your motor (mH).
You can round these values to the nearest 20% so you can use a standard value. Use 1/8 or 1/4 watt resistors.
Prepare the resistor by clipping the leads to 12mm (0.5") and bending the leads out so they are approximately 5mm
(0.2") apart.
4.9.7 Installing J5, Current-Loop Mode Select
Current loop provides superior control in positioning systems but is more complex to configure. Many less
demanding applications use open-loop control, often referred to as duty-cycle control. In addition, open-loop control
is used for system set-up since the amplifier can control speed adequately during the first phases of installation.
•
To run in current-loop mode, install Jumper J5 in
position 1-2
(marked "C").
•
To run in open-loop mode, install Jumper J5 in
position 2-3
(marked "O").
•
When using the optional velocity loop, always install J5 in position 1-2 ("C") for current-loop mode.
Jumper J5 must always be
installed in one position or the
other.
4.9.8 Wiring J6, Amplifier Status and Control
J6 is a 6-pin pluggable screw-terminal with connections on 5mm (0.2") centers. See Figure 4-7 (page 4-22). Note
that in high-vibration environments, it is often preferable to crimp a ferrule onto each connection of J6. J6 provides
connections to AMP OK output, ANALOG-CMD input, and ENABLE input.
Table 4-3 Connector J6: Customer Input Wiring
Pin Signal
Name
1
AMP OK (+)
2
AMP OK (-)
3
ANALOG CMD (-)
4
ANALOG CMD (+)
5 ENABLE
(+)
6 ENABLE
(-)
4.9.8.1 AMP OK Output
The AMP OK output indicates that the S/O amplifier is ready to be enabled. It means that the bus voltage is
currently applied and that the unit has not exceeded continuous current. It also means that the voltage is
below the overvoltage limit (normally about 42 volts). If any of these conditions is not true, the S/O-series
amplifier will be forced off and the AMP OK output will turn off. If you exceed continuous current or
voltage limits, you must disable and then re-enable to reset the fault condition. The AMP-OK LED indicates
the state of AMP OK.
NOTE
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