External current limit (i limit), Drive output connected to a switch/relay, Drive output connected to active low input – Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual User Manual
Page 77: Using a switch/relay, Using an opto-isolator
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Publication 1398-5.2 – PDF 1997
Interfaces
6-13
External Current Limit (I LIMIT)
ILIMIT limits the current, which provides torque, to the motor. The
range is 0 to +10 Volts (where 10 Volts corresponds to maximum drive
current).The analog I LIMIT signal is converted into a digital word by
a 10-bit ADC (analog to digital converter). If the I LIMIT input is not
connected, current is not limited.
Figure 6.14
Drive Output Connected to a Switch/Relay
Figure 6.15
Drive Output Connected to Active Low Input
using a Switch/Relay
Figure 6.16
Drive Output Connected to Active Low Input
using an Opto-Isolator
Pin 13
Pin 6
Drive
J1
I/O COM
I/O Pwr
Solid State
Relay
(Drive)
I/O COM
I/O COM
3.3K
I/O Pwr
I/O Pwr
INPUT
OUTPUT
I/O COM
I/O Pwr
1K
I/O COM
I/O Pwr
3.3 K
INPUT
OUTPUT
(Drive)
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