AH500 Module Manual
15-24
15.5.2 Sending an SDO Command
1. Function block
The AH10COPM-5A module which functions as a master station in a slot on the main backplane
used can send an SDO command by means of the function block CANopen_SDO in ISPSoft.
2. Input pins/Output pins
Name Function Data type
value
Time when a value is valid
SID Slot number WORD K0~K11
The value of the SID input pin
is valid when there is a
transition in the Execute input
pin’s signal from low to high.
Execute
The function
block is
executed when
there is a
transition in the
Execute input
pin’s signal from
low to high.
BOOL True/False -
NodeID Node address WORD K1~K127 -
Service Service type WORD
1: Reading
2: Writing
-
ODIndex Index WORD - -
WriteLength
Length of the
data which is
written
WORD
K1~K8
(Unit: Byte)
The value of the WriteLength
input pin is valid when there
is a transition in the Execute
input pin’s signal from low to
high.
DataWrite
Data which is
written
DWORD[2] -
The value of the DataWrite
input pin is valid when there
is a transition in the Execute
input pin’s signal from low to
high.