Rockwell-automation 1746-HSRV SLC Servo Control Module User Manual Manuel d'utilisateur Page 30

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Publication 1746-6.1.2 - July 2000
Selecting Power Supplies, Encoders, and Drives
2-7
Selecting a Drive
The SLC Servo Module supports Allen-Bradley 1386, 1388, 1389, 1391,
1392, 1394, and 1398 servo drive systems. References that help you
select a suitable drive system appear in the table below.
The SLC Servo Module provides a ±10V analog output to one drive
amplifier for a velocity command. This analog voltage is 11 bits plus
an additional sign bit (12 bits total) and interfaces to drive amplifiers
with a 2K through 20K ohm range. Servo drive signal analog out
specifications appear in the table below.
Allen-Bradley
Drive
Publication
Number
Title
1386 1386-2.0 DC Servo Drive Product Data Sheet
1388 1388-2.0 DC PWM Servo Drive Product Data Series B
1389 1389-2.0 AC Servo Amplifier System Product Data
Sheet
1391 1391-2.0 AC PWM Servo Controller Product Data
Sheet
1392 1392-2.1 High Performance AC Drive (460V and 230V)
Product Data
1394 1394-2.0 1394 Digital Multi-Axis Motion Control
Systems Product Data
1398 1398-2.0 ULTRA Series Product Data
Specification Rating
Resolution 12 bits or 4.88 mV/bit
Output voltage swing ±10V
Load range
2K through 20K ohms
Conversion time 100 µs
Output step response (20V
swing)
Rise time
110 µs typical
Overshoot
5% typical
Settling time
60µs typical
Differential linearity ±1 LSB Max. (monotonic over the entire
temperature range)
Output offset voltage 500 µV (max)
Gain error drift
7 LSB (max)
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