38 Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018
Chapter 4 Connector Data and Feature Descriptions
Jumpers JP1/JP2 and switch SW7 are set to these default settings at the
factory.
Table 12 - Jumper and Switch Default Settings
Switch SW7 Settings
SW7 settings depend on the configuration of leader and follower units in your
application. This switch is used to stop the switching of transistors that
produces the PWM waveform by interrupting the base signal from the power
modules. To interrupt the base signal, turn the switch to the OFF position.
Switch SW7 consists of four switches:
• SW7-1, SW7-2, and SW7-3 are allocated to the leader unit and follower
units 1 and 2. In the case of a leader with paralleled follower units, it is
possible to interrupt the base signal of each unit by turning the
corresponding switch to the OFF position.
• Keep SW7-4 in the OFF position.
• When two units are connected in parallel, turn SW7-1 and SW7-2 to
the ON position
• When three units are connected in parallel, turn SW7-1, SW7-2, and
SW7-3 to the ON position.
Figure 17 - Switch SW7 Positions
ATTENTION: Do not alter the settings of any jumpers not described in this
manual. Failure to observe this precaution could result in damage to, or
destruction of, the equipment.
Jumper Function Description
JP1 Enable Operation
Short this jumper to start the switching operation of transistors when the
RUN sequence input is enabled. Keep this jumper closed.
JP2 Enable Inspection Mode Keep this jumper open.
SW6 Reset Pressing this switch resets the CPU.
IMPORTANT Do not press the reset switch SW6 during operation.
SW7-4
Follower Unit 2
Follower Unit 1
Leader Unit
SW7-3
SW7-2
SW7-1
ON
ENABLE
OFF
BASE BLOCK
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