TECO JSDG2S Series - Example of RS-485 Communication Speed Control

8-22
8-1-5 Example of RS-485 communication speed control
1. Definitions of default digital input pins
2. Setting parameters
Parameters Description Setting Description
Cn001 Control mode selection 1 Speed control
Cn002.1
Auxiliary function-input
contact CCWL and CWL
function selection
1
Do not use digital input contactsCCWL andCWL
to controlforwardandreverse directiondrive
prohibited, ignore theforwardandreverse
directiondrive prohibited function
Cn036 Station number setting 1
Cn037.0
Modbus RS-485
communication transmission
rate
1 9600
Cn038.0 Communication protocols 6 8 , N , 2 ( Modbus , RTU )
Sn205.0
Speed command
acceleration/deceleration
method
2
0: Do not use the speed command
acceleration/deceleration function
1: Use the speed command one-time smooth
acceleration/deceleration function
2: Use the speed command straight line
acceleration/deceleration function
3: Use the S-type speed command
acceleration/deceleration function
Servo ON (SON)
Abnormal alarm reset (ALRS)
PI/P switch (PCNT)
CCW direction drive prohibited (CCWL)
CW direction drive prohibited (CWL)
External torque limit (TLMT)
Speed command reverse (SPDINV)
Servo stop (LOK)
Emergency stop (EMC)
Internal speed command selection 1 (SPD1)
Internal speed command selection 2 (SPD2)
Control mode switch (MDC1)