Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 29

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Publication 1760-UM003A-EN-P - September 2005
DeviceNet Functions 4-5
Service Code
The Identity Object Instance and also the following instances support
the services listed in the table below.
4 Read Device
version
Two bytes are returned when reading the
device version.
Hardware
version,
The low byte defines the hardware
version, the high byte the operating
system version.
1
Operating
system
version
1
5 Read Status This attribute describes the global status
of the device.
2
6 Read Serial
number
The serial number of the device can be
read with this attribute.
4
7 Read Product name The product name 1760-DNET is stored as
hex value in ASCII format.
12
9 Read Configuration
consistency
value
This attribute returns a counter value that
monitors the number of modifications in
non-volatile memory (E2PROM).
2
10 Read/
Write
Heartbeat
Interval
Defines an interval between heartbeat
messages in [s].
2
Table 4.5 Service Code
Service Code Value Service Name Description
05
hex
Reset Calls the reset function of
the communication module.
0E
hex
Get_Attribute_Single This service can be used to
fetch the value of a selected
attribute from the
communication module.
10
hex
Set_Attribute_Single This service can be used to
set a selected attribute in
the device.
Table 4.4 Attribute IDs of the Identity Object Instance
Attribute
ID
Access Name Description Size
(byte)
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