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Electrical Installation
8.14.4
Digital outputs (X3)
Technical characteristics
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Ready-to-operate contact BTB/RTO
Operational readiness (terminals X3/2 and X3/3 ) is signalled by a floating relay contact.
The contact is closed when the servo amplifier is ready for operation, the 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 92.
Programmable digital outputs DIGITAL-OUT 1 / 2:
You can use the digital outputs DIGITAL-OUT1 (terminal X3/16) and DIGITAL-OUT2 (terminal
X3/17) to outputs messages from pre-programmed functions that are stored in the servo amplifier.
You can find a list of pre-programmed functions on the "digital I/O" screen of our setup software.
If an input is freshly assigned to a pre-programmed function, then the data set must be stored in the
EEPROM of the servo amplifier, and the 24 V auxiliary supply of the servo amplifier must be swit-
ched off and on again (to reset the amplifier software).
Evaluate the outputs via inverting interface relays (see connection diagram), for example
Phönix DEK-REL-24/I/1 (turn-on delay 6 ms, turn-off delay 16ms).
The described logic in the online help of the setup software refers to the output of
the inverting interface relays. Consider the delay of the applied relay !
66
Reference ground is digital-GND (DGND, terminal X3/18)
All digital outputs are floating
DIGITAL-OUT1 and 2:
BTB/RTO:
Update rate:
AX2040/2070
06/2007
Open-collector, max. 30 VDC, 10 mA
Relay output, max. 30 VDC or 42 VAC, 0.5 A
250 µs
AX2040/2070 Product Manual
BECKHOFF
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