Installation

APS Input Specification

Voltage Range

Current

Inrush Current

 

0.5 A maximum

 

 

0.7 A peak

80 A for 1 ms if not limited by

18-30 VDC

( 0.4 A maximum

power supply

 

0.6 A peak if external

 

 

 

encoder is not used )

 

 

 

 

Using the APS supply input to power the drive logic and motor encoder allows the drive bus to operate at DC voltages below 42 VAC (60 VDC bus). The drive will operate down to 12 VDC on the bus (10 VAC on L1 and L2). However the low DC bus monitoring must be disabled to prevent faults at these low DC bus voltage levels. This can be done with PowerTools software on the Advanced tab in Detailed Setup mode.

Do not wire AC line into the APS input. Doing so will damage the drive.

Do not open the APS jumper access panel until at least six minutes after the main AC power has been removed from the L1 and L2 terminals.

Note

Connecting 24V common on the APS to chassis ground reduces offset voltage in Analog Diagnostic Outputs.

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Emerson Epsilon Eb Digital Servo Drive, 400501-05 APS Input Specification, Voltage Range Current Inrush Current