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5. PARAMETERS
5.12 (N) Operation via communication and its settings
5.12.7 BACnet MS/TP protocol
Using BACnet MS/TP protocol, communication operation and parameter setting are available from the RS-485 terminals of the
inverter.
*1 When the set value is outside of the setting range, the initial value is applied.
*2 When the Auto baudrate is used, the communication speed is changed to the detected communication speed.
Pr. Name Initial value Setting range Description
52
M100
Operation panel main
monitor selection
0 0, 5 to 14, 17, 18, 20,
23 to 25, 34, 38, 40
to 45, 50 to 57, 61,
62, 64, 67 to 69, 81
to 96, 98, 100
81: BACnet reception status
82: BACnet token pass counter (Displays the count of
received token)
83: BACnet valid APDU counter (Displays the count of valid
APDU detection)
84: BACnet communication error counter (Displays the count
of communication error)
85: Terminal CA output level (Same display as Analog Output
0)
86: Terminal AM output level (Same display as Analog Output
1)
The count of the setting values "82" and "83" returns to "0" if
the count exceeds "9999". The upper limit of the count of the
setting value "84" is "9999".
774
M101
Second motor inertia
(integer)
9999 1 to 3, 5 to 14, 17,
18, 20, 23 to 25, 34,
38, 40 to 45,
50 to 57, 61, 62, 64,
67 to 69, 81 to 96,
98, 100
775
M102
Second motor inertia
(exponent)
776
M103
Second motor
protection current level
331
N030
RS-485 communication
station number
0
0 to 127
*1
Set the inverter station number (node).
332
N031
RS-485 communication
speed
96 96, 192, 384, 576,
768, 1152
*1*2
Set the communication speed.
The setting value ï‚´ 100 equals the communication speed.
For example, the communication speed is 9600 bps when the
setting value is "96".
390
N054
% setting reference
frequency
60 Hz 1 to 590 Hz Set a reference frequency of the set frequency.
549
N000
Protocol selection 0 0 Mitsubishi inverter (computer link) protocol
1 MODBUS RTU protocol
2 BACnet MS/TP protocol
726
N050
Auto Baudrate/Max
Master
255 0 to 255 Auto baud rate (bit 7)
0: inactive, 1: active
Max Master (bit 0 to bit 6) setting range: 0 to 127
Maximum address for master node
727
N051
Max Info Frames 1 1 to 255 Set the maximum number of frames that the inverter can
transmit while it owns the token.
728
N052
Device instance
number (Upper 3
digits)
0 0 to 419
(0 to 418)
Device identifier
When the combination of Pr.728 and Pr.729 is not within "0 to
4194302", the setting is out of range.
When Pr.728="419", the setting range of Pr.729 is "0 to 4302".
When Pr.729="4303" or more, the setting range of Pr.728 is
"0 to 418".
729
N053
Device instance
number (Lower 4
digits)
0 0 to 9999
(0 to 4302)
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