ifm
Supplementary device manual DeviceNet interface in the AS-i ControllerE (AC1318, AC1324), Target from 15
2012-02-29
The host command channel
Commands in the host command channel
164
Example: read ID string of AS-i slave 3(A) on AS-i master 1
4901
Request from host to device
Word no.
Value [hex.]
Meaning
1
0215
M=0: AS-i master 1
UID=02: user ID changes to 2
15 = command 21
2 0300
03
hex
= 03
dec
= slave address 3(A)
3…18 0000
not
used
Response from device to host in the normal case
Word no.
Value [hex.]
Meaning
1
0215
copy of the request
command processed, no error occurred
2 0608
860
0xxx/8xxx = the toggle bit changes after each execution
x6xx = slave address 3(A), shifted 1 bit to the left
08
8 data bytes ID strings have been received
3
2D01
1st word of the ID string of slave 3:
2D01
hex
= 0010 1101 0000 0001
bin
4
0203
2nd word of the ID string of slave 3:
0203
hex
= 0000 0010 0000 0011
bin
… …
etc.
17
0008
08 = unit sends an ID string with 8 bytes length
18 0000
not
changed
Response from device to host in case of a fault
Word no.
Value [hex.]
Meaning
1
8215
copy of the request
E=1: error when executing the command
2 0000
reserved
3
0014
error code=14: invalid S-7.4 command / master not in the Protected mode
4…18 0000
not
changed
