Mapping To Virtual Channels - Siemens FEC920 User Manual

Object Name
Channel.3.Main.PV
Channel.3.Alarm1.Threshold
Input Channel 3
Channel.3.Alarm1.Status
Channel.3.Alarm2.Threshold
Channel.3.Alarm2.Status
Channel.4.Main.PV
Channel.4.Alarm1.Threshold
Input Channel 4
Channel.4.Alarm1.Status
Channel.4.Alarm2.Threshold
Channel.4.Alarm2.Status
Input Channel 5-8
DigitalIO.DI_LALC.Output
DigitalIO.DI_LBLC.Output
DigitalIO.1A1B.Output
DigitalIO.1A1B.PV
DigitalIO.2A2B.Output
Digital I/O
DigitalIO.2A2B.PV
DigitalIO.3A3B.Output
DigitalIO.3A3B.PV
DigitalIO.RELAY_4AC.Output
DigitalIO.RELAY_5AC.Output

8.3.2 Mapping to Virtual Channels

BACnet objects are mapped to FEC920 virtual channels as shown in Table 3.
A maximum of 30 virtual channel objects are supported.
Object Name
VirtualChannel.n.Main.PV
VirtualChannel.n.Alarm1.Threshold
Virtual Channel (n, m)
VirtualChannel.n.Alarm1.Status
VirtualChannel.n.Alarm2.Threshold
VirtualChannel.n.Alarm2.Status
September 18
FEC920: USER GUIDE
Instantiated similar to above (if required)
Table 3: BACnet Object Representation of Virtual Channels
A5E45696052A Rev-AA
Type Data Parameter
PV
AI
PV Status
AV AL1 Threshold
MSI AL1 Status
AV AL2 Threshold
MSI AL2 Status
PV
AI
PV Status
AV AL1 Threshold
MSI AL1 Status
AV AL2 Threshold
MSI AL2 Status
BI Dig In A
BI Dig In B
BI I/O 1 - Output
AI I/O 1 - Input
BI I/O 2 - Output
AI I/O 2 - Input
BI I/O 3 - Output
AI I/O 3 - Input
BI Relay Out 4
BI Relay Out 5
Type Data Parameter
PV
AI
PV Status
AV AL1 Threshold
MSI AL1 Status
AV AL2 Threshold
MSI AL2 Status
Equivalent Modbus Path
Channel.3.Main.PV
Channel.3.Main.Status
Channel.3.Alarm1.Threshold
Channel.3.Alarm1.Status
Channel.3.Alarm2.Threshold
Channel.3.Alarm2.Status
Channel.4.Main.PV
Channel.4.Main.Status
Channel.4.Alarm1.Threshold
Channel.4.Alarm1.Status
Channel.4.Alarm2.Threshold
Channel.4.Alarm2.Status
DigitalIO.DI_LALC.Output
DigitalIO.DI_LBLC.Output
DigitalIO.1A1B.Output
DigitalIO.1A1B.PV
DigitalIO.2A2B.Output
DigitalIO.2A2B.PV
DigitalIO.3A3B.Output
DigitalIO.3A3B.PV
DigitalIO.RELAY_4AC.Output
DigitalIO.RELAY_5AC.Output
Equivalent Modbus Path
VirtualChannel.n.Main.PV
VirtualChannel.n.Main.Status
VirtualChannel.n.Alarm1.Threshold
VirtualChannel.n.Alarm1.Status
VirtualChannel.n.Alarm2.Threshold
VirtualChannel.n.Alarm2.Status
R/W
R
R/W
R
R/W
R
R
R/W
R
R/W
R
R
R
R
R
R
R
R
R
R
R
R/W
R
R/W
R
R/W
R
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