Operating Instructions

Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
161 | 187
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Smart Infrastructure
2019-05-29
Modbus TCP Parameters and Monitoring Values
Modbus TCP Settings
Table 129: Parameters Related to Modbus TCP.
Code
Parameter
Min
Max
Unit
Default
ID
Description
PARAMETERS (Common Settings )
P5.9.2.1.1
Connection limit
0
3
2
2446
Number of allowed connections
P5.9.2.1.2
Unit identifier number
0
255
1
2447
See the Modbus TCP Settings
section.
P5.9.2.1.3
Communication time-out
0
65535
s
0
2448
0 = Not used
MONITORING VALUES (Connection 1, Monitoring *
M5.9.2.2.1.1
Fieldbus protocol status
1
3
2449
1 = Stopped
2 = Operational
3 = Faulted
M5.9.2.2.1.2
Communication status
0.0
99.999
0.0
2450
0-99 Number of messages with
errors.
0-999 Number of messages
without communication errors.
M5.9.2.2.1.3
Illegal functions
0
2451
See Illegal functions
(P5.9.2.2.1.3) .
M5.9.2.2.1.4
Illegal data addresses
0
2452
See Illegal data addresses
(P5.9.2.2.1.4) .
M5.9.2.2.1.5
Illegal data values
0
2453
See Illegal data values
(P5.9.2.2.1.5) .
M5.9.2.2.1.6
Slave device busy
0
2454
See Slave device busy
(P5.9.2.2.1.6) .
M5.9.2.2.1.7
Memory parity error
0
2455
See Memory parity error
(P5.9.2.2.1.7) .
M5.9.2.2.1.8
Slave device failure
0
2456
See Slave device failure
(P5.9.2.2.1.8) .
M5.9.2.2.1.9
Last fault response
0
2457
See Last fault response
(P5.9.2.2.1.9) .
M5.9.2.2.1.10
Control word
hex
2458
See Control Word Bits .
M5.9.2.2.1.11
Status word
hex
2459
See Status Word Bits .
MONITORING VALUES (Connection 2, Monitoring)*
P5.9.2.2.1.1
Fieldbus protocol status
1
3
2460
1 = Stopped
2 = Operational
3 = Faulted
P5.9.2.2.1.2
Communication status
0.0
99.999
0.0
2461
0-99 Number of messages with
errors.
0-999 Number of messages
without communication errors.
P5.9.2.2.1.3
Illegal functions
0
2462
See Illegal functions
(P5.9.2.2.1.3) .
P5.9.2.2.1.4
Illegal data addresses
0
2463
See Illegal data addresses
(P5.9.2.2.1.4) .