8.14.3
Digital inputs (X3)
All digital inputs are
electrically isolated
through optocouplers.
Technical characteristics
—
Reference ground is
Digital
-GND (DGND, terminal X3/18)
—
Inputs at X3 meet PLC standards (IEC 61131-2 Typ 1)
—
High: 11...30 V / 2...11 mA, Low -3...+5 V / <1 mA
—
Update rate: 250 µs
ENABLE input
The output stage of the servo amplifier is activated by the enable signal
(terminal X3/15, input 24 V,
active-high
).
In the inhibited state (low signal) the motor which is attached does not have any torque.
Programmable digital inputs :
You can use the digital inputs PSTOP / NSTOP / DIGITAL-IN1 and DIGITAL-IN2 to initiate
preprogrammed 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).
Limit-switches PSTOP / NSTOP
Terminals X3/13 and X3/14 are normally programmed for the connection of limit switches. If these
inputs are not needed for the connection of limit switches, then they are programmable for other
input functions.
Limit-switch positive/negative (
PSTOP / NSTOP
, terminals X3/13 and X3/14), high level in normal
operation (fail-safe for a cable break).
A low signal (open) inhibits the corresponding direction of rotation,
the ramp function remains
effective.
DIGITAL-IN 1 / DIGITAL-IN 2
The digital inputs on terminals X3/11 (DIGITAL-IN 1) or terminal X3/12 (DIGITAL-IN 2) can be logi-
cally combined in a pre-programmable function.
AX2040/2070 Product Manual
65
BECKHOFF
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Electrical Installation
AX2040/2070
Содержание AX2040
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Страница 44: ...8 6 Pin assignments 44 AX2040 2070 Product Manual Electrical Installation 06 2007 BECKHOFF...
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