Vers. 062721 74
utilizing the MODBUS TCP protocol for screwdriver control, program switching, and data
acquisition.
Changing program parameters such as target torque via MODBUS is possible but not
recommended, and is never necessary except for the rare applications requiring more than
64 different programs.
K-DUCER MODBUS map
The K-DUCER, MODBUS data is organized and accessed as follows:
Associated
MODBUS
function
codes
A mirror copy of the CN3 output pins 23 to 43
represented as bits;
Writeable coils mimicking the functionality of
CN3 input pins 13 to 20, providing
screwdriver motor control capability
01 (read coils)
05 (write
single coil)
15 (write
multiple coils)
Data related to the last screwdriving results
including closing torque and angle;
torque/angle charts; current screwdriving state
and errors; connected screwdriver info
04 (read input
registers)
HOLDING
REGISTERS
(bytes)
Current selected program;
Remote programming mode enter/exit flag;
All program settings;
All sequence setting;
Current selected sequence;
All options settings.
03 (read
holding
registers)
06 (write
single
register)
16 (write
multiple
registers)
A mirror copy of the CN3 input pins 1 to 20
represented as bits
*Note: all holding registers except CurrentProgram (7373) can only be written after entering
Remote Programming Mode. These registers contain all program, sequence, and option