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Protocol Implementation Conformance Statement (PICS)
PICS Summary
BACnet Standard Device Profile. This version of MD5
BACnet fully conforms to the 'Application-Specific Controller'
standard device profile (B-ASC).
Services Supported . The following services are supported by
the MD5:
• I-Am (Response to Who-Is, also broadcast on power-up
& other reset)
• I-Have (Response to Who-Has)
• ReadProperty
• WriteProperty
• DeviceCommunicationControl
• ReinitializeDevice
Data Link Layer . The MD5 implements MS/TP (Master) Data
Link Layer . All standard MS/TP baud rates are supported
(9600, 19200, 38400 & 76800) .
OM 1191 • MD5 VFD
MAC ID / Device Object Instance . The MD5 supports
separate MAC ID and Device Object Instance parameters:
• Set the MAC ID using drive parameter 5302 . Default:
5302 = 128 .
• Set the Device Object Instance ID using drive parameters
5311 and 5317 . Default: Both 5311 and 5317 = 0, which
causes the MAC ID to "double" as the Device Object
Instance . For Device Object Instance values not linked to
the MAC ID, set ID values using 5311 and 5317:
— For IDs in the range 1 to 65,535: Parameter 5311 sets
the ID directly (5317 must be 0) . For example, the
following values set the ID to 49,134: 5311 = 49134
and 5317 = 0 .
— For IDs > 65,335: The ID equals 5311's value plus
10,000 times 5317's value . For example, the following
values set the ID to 71,234: 5311 = 1234 and 5317 =
7 .
Max Info Frames Property . Configure the Device Object Max
Info Frames property,
page
Default: 5312 = 1 .
Max Master Property . Configure the Device Object Max
Master property using drive parameter 5313,
Default: 5313 = 127 .
MS/TP token counter
Parameter 5316 stores the count of MS/TP tokens passed to
the associated node .
64
e
f
Mbedded
ieldbUs
38, using drive parameter 5312 .
page
38 .
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