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8.16.4 Digital I/O on the Master (X1)

Technical characteristics

— Ground reference is Digital-GND (DGND, terminal X1/4,5)

— The logic is dimensioned for +24V/7mA(PLC-compatible)

— H-level from +12...36V/7mA,L-level from 0...7V/0mA

BTB/RTO: Relay output, max. 30 V DC or 42 V AC, 0.5 A

ENABLE input

The output stage of the servo amplifier is activated by the enable signal

(terminal X1/3, input 24V, active-high).

In the inhibited state (low signal) the motor which is attached does not have any torque.

Ready-to-operate contact BTB/RTO

Operational readiness (terminals X1/1 and X1/2 ) is signalled via a floating relay contact.

The contact is closed when all servo amplifiers in the system are ready for operation.

This signal is not influenced by the enable signal, the I²t- limit, or the regen threshold.

All faults cause the BTB/RTO contact to open and the switch-off of the output

stage (if the BTB contact is open, the output stage is disabled -> no power). A list

of the error messages can be found on page 90.

66 AX2500 Product Manual

Electrical Installation 06/2007 BECKHOFF

AX2500

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Beckhoff AX2500 Bedienungsanleitung Seite 66