Defining value Offset Value
Data type 5 0Bh - string
Mandatory yes
It should be noted that to read the whole serial number requires up to two "long mes‐
sage" transactions, as a "long message" can only contain 8 bytes of data.
When accessing offset basis, the OFF ADD characteristic gives the first character of the
serial number to be returned in the "long message".
Table 65: Reading the serial number
Transaction Register
PC_BUFFER0
PC_BUFFER1
PC_BUFFER2
PC_BUFFER3
PC_BUFFER4
PC_BUFFER5
PC_BUFFER6
PC_BUFFER7
PC_ADD_H
PC_ADD_L
PC_OFF_H
PC_OFF_L
PC_CTRL
Write 7C 84 00 00 01
Wait for FREL = 1
Read Characters 1 to 8 of the serial number
Write 74 84 00 08 01
Wait for FREL = 1
Read Characters 9
to 10 of the
serial num‐
ber
8.4.6 Device version
This resource indicates the firmware and hardware version of the encoder. The
firmware version is stored in ASCII format with a maximum length of 16 characters, the
hardware version is in the same format with a maximum of 4 characters. Unallocated
characters are stored with the ASCII code 00h.
Direct read access to device version returns the defining values:
Table 66: Device version defining values
Defining value Offset Value
RID 085h
Resource name 0 "FWREVNO"
Data size 1 20
Read access level 2 0
Write access level 3 15
Time overrun 4 70
Data type 5 0Bh - string
Mandatory yes
It should be noted that to read the whole device version data requires up to three "long
message" transactions, as a "long message" can only contain 8 bytes of data.
When accessing offset basis, the OFF ADD characteristic gives the first character of the
device version to be returned in the "long message".
The device version is given in the following format:
MOTOR FEEDBACK SYSTEM RESOURCES
8
8017595/ZTW6/2018-01-15 | SICK T E C H N I C A L I N F O R M A T I O N | HIPERFACE DSL
®
97
Subject to change without notice
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