3 pulse train input operation, 1] command pulse input (pp•/pp, np•/np) – IAI America SCON-CA User Manual
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Chapter 3 Operation
162
3.3.3 Pulse Train Input Operation
[1] Command Pulse Input (PP•/PP, NP•/NP)
Pulses of up to 200kpps in the open-collector mode or up to 2.5Mpps in the differential mode
can be input.
6 types of command pulse train can be selected. Set the pulse train format in Parameter No.63
and active high/low in Parameter No.64.
[Refer to 3.3.4 Settings of Basic Parameters Required for Operation]
Caution:
(1) The directions in which the actuator moves upon receiving forward and reverse pulses
conform to the pulse count direction set in Parameter No.62.
(2) As for the forward/reverse directions, pay attention to the host controller setting or
PP�/PP and NP�/NP connections.
(3) Set the actuator acceleration/deceleration on the host controller side.
(4) The actuator acceleration/deceleration should not exceed the rated
acceleration/deceleration of the applicable actuator. [Refer to the actuator’s catalog or
the appendix in this Instruction Manual for the rated acceleration/deceleration of each
actuator.]
* The rotating direction of the motor is defined so that the counterclockwise direction
as viewed from the end of the load shaft represents the forward direction.�
PP
•
/PP
NP
•
/NP
PP
•
/PP
NP
•
/NP
PP
•
/PP
NP
•
/NP
PP
•
/PP
NP
•
/NP
PP
•
/PP
NP
•
/NP
PP
•
/PP
NP
•
/NP
High
Low
High
Low
Normal Rotation
Pulse String
Normal Rotation
Pulse String
Reverse Rotation
Pulse String
Reverse Rotation
Pulse String
The normal rotation pulse string shows the motor rotation amount in normal direction, and
reverse rotation pulse string shows the motor rotation amount in reverse direction.
Pulse Train
Pulse Train
Symbol
Symbol
The command pulse shows the motor rotation amount and the command symbol shows the
rotation direction.
A/B Phase
Pulse String
A/B Phase
Pulse String
The A/B Phase 4-fold Pulse with the phase difference of 90° shows the commands for
the rotation amount and direction.
Command Pulse
String Mode
Input
Terminal
In Normal Rotation
In Reverse Rotation
Negative Logic
Positive Logic