Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
132 | 180
Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Building Technologies
2016-06-07
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Logical Analog Input (LAI) – a floating or multi-state input for status.
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Logical Analog Output (LAO) – a floating or multi-state output for commanding.
Each point type supports Change of Value (COV) reporting based on the point’s present value, priority, and status
(failed or normal). The output points are typically commandable from the P1 master panel where the input points
are for monitoring purposes only.
If Protocol (5.8.1.1) is set to a value of P1, then configuration and status parameters related to the P1 fieldbus
protocol are made available.
Parameters (M5.8.3.1)
The following configuration parameters are available for the P1 fieldbus protocol:
Table 103: P1 FLN Parameters.
Menu
Parameter
ID
Unit
Min
Max
Default
Description
P5.8.3.1.1
Slave Address
2534
0
127
99
Defines the unique slave address to
be used by the drive on the P1
network. Broadcast messages are
sent to device number 99 and all
devices on the network respond to this
address; therefore, address 99 is a
reserved address and cannot be used
on any device on the network.
P5.8.3.1.2
Baud Rate
2535
bps
4800
9600
4800
Defines the communications speed on
the network which must match all
devices on the network. Possible
settings are:
1 = 4800
2 = 9600
P5.8.3.1.3
Communications Timeout
2536
s
0
65535
30
Defines the amount of time in which a
packet is not received from the master
before a communications timeout is
faulted/alarmed. A setting of 0 means
that no fault is generated.
Monitoring (M5.8.3.2)
The following monitoring values are available for the P1 fieldbus protocol:
Table 104: P1 FLN Monitoring.
Menu
Parameter
ID
Min
Max
Description
M5.8.3.2.1
Fieldbus Protocol Status
2537
Initializing
Faulted
Displays the current protocol status as follows:
0 = Initializing – Protocol is starting up.
1 = Stopped – Protocol is timed out or not in use.
2 = Operational – Protocol is running normally.
3 = Faulted – Major fault in protocol, requires restarting. If
fault remains, contact Technical Support.
P1 FLN Point Map
The following is the P1 FLN point map for Application 2770 as used in the Siemens APOGEE Network:
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