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NextMove ESB / controller
DS26LS31
Step
Output
STEP0+
MicroFlex / drive amplifier
‘X3’
‘X2’
3
10
Step
11
DGND
9
Dir
STEP0DS26LS31
Dir
Output
Twisted pairs
DIR0+
5
DIR0-
GND
DGND
1
Shield
6
Connect shields at
one end only
Figure 33 - Stepper input - typical connection from a Baldor NextMove ESB
Note:
When using a NextMove ESB’s STEP and DIR outputs, do not connect the
STEPx- or DIRx- outputs to ground; leave them unconnected as shown in
Figure 33.
Incremental encoder
MicroFlex / drive amplifier
‘X3’
Twisted pairs
A+
10
Step
9
Dir
11
DGND
AB+
BGND
5V
Connect shields
at one end only
Encoder
supply
5V
Encoder
supply
GND
Figure 34 - Stepper input - typical connection from an incremental encoder
Note:
When using an incremental encoder source, do not connect the A- or B- outputs;
leave them unconnected as shown in Figure 34.
5-10 Input / Output
MN1919