Operating Instructions

Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
144 | 187
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Smart Infrastructure
2019-05-29
Structure
Parameter
Unit
Min
Max
Default
ID
Description
P5.8.3.1.5
Comm. Timeout
s
0
65535
10
2321
Defines the time the device has to
receive a token before indication
of an error.
0 = Not used
P5.8.3.1.6
Operate Mode
Slave
Master
Slave
2374
Defines the operation mode on the
Modbus RTU network:
0 = Slave
1 = Master
Monitoring
M5.8.3.2.1
FB Protocol Status
Initializing
Faulted
2381
Displays the fieldbus protocol
status as follows:
0 = Initializing (Protocol is
starting)
1 = Stopped (Protocol is stopped)
2 = Operational (Protocol is
communicating)
3 = Faulted (see Last Fault
(M5.8.3.2.4) for detail)
4 = Inactive (No communications
has occurred)
M5.8.3.2.2
Comm Status
0
99.999
0.0
2382
Displays the fieldbus protocol
status as follows:
0 = Initializing (Protocol is
starting)
1 = Stopped (Protocol is stopped)
2 = Operational (Protocol is
communicating)
3 = Faulted (see Last Fault
(M5.8.3.2.4) for detail)
4 = Inactive (No communications
has occurred)
M5.8.3.2.3
Illegal Functions
2383
Format = xx.yyy where xx
indicates bad frames and yyy
indicates good messages
M5.8.3.2.4
Illegal data addrs
2384
Displays the function code
received that refers to an
unallowed action for the server
(slave).
M5.8.3.2.5
Illegal data values
2385
Displays the data address
received that refers to an
unallowed action for the server
(slave).
M5.8.3.2.6
Slave device busy
2386
Displays the value received that
refers to an unallowed action for
the server (slave).
M5.8.3.2.7
Memory parity
error
2387
Displays if the server (slave) is
engaged in processing a long
duration program command. The
client (master) should retransmit
the message later when the server
(slave) is free.