Parameter path
Description
Type
Hex
Dec
Resolution
FEC920: USER GUIDE
Page 168
September 18
VirtualChannel.7.Main.Resolution
Number of decimal places (0 to 6)
uint8
1f02
7938
Not applicable
VirtualChannel.7.Main.Rollover
A pulse signal to indicate PV (output) has just rolled over
bool
1f11
7953
Not applicable
VirtualChannel.7.Main.RolloverValue
Rollover value
float32
1f12
7954
Set by VirtualChannel.7.Main.Resolution
VirtualChannel.7.Main.Status
As VirtualChannel1.Main.Status
uint8
0139
313
Not applicable
VirtualChannel.7.Main.TimeRemaining
Time remaining before calculation is made
time_t
1f09
7945
Set by Network.Modbus.TimeFormat
VirtualChannel.7.Main.Trigger
Increment/decrement counter. 0 = No; 1 = Yes
bool
1f0e
7950
Not applicable
VirtualChannel.7.Main.Type
As VirtualChannel1.Main.Type
uint8
1f00
7936
Not applicable
VirtualChannel.7.Main.Units
Units descriptor
string_t
4bb7
19383
Not applicable
VirtualChannel.7.Main.UnitsScaler
Units scaler for totalisers
float32
1f03
7939
1dp
VirtualChannel.7.Trend.Colour
As VirtualChannel1.Trend.Colour
uint8
1f20
7968
Not applicable
VirtualChannel.7.Trend.SpanHigh
Specifies the highest PV (output value) to be displayed
float32
1f22
7970
Same as VirtualChannel.7.Main.PV
VirtualChannel.7.Trend.SpanLow
Specifies the lowest PV (output value) to be displayed
float32
1f21
7969
Same as VirtualChannel.7.Main.PV
VirtualChannel.8.Alarm1.Acknowledge
1 = acknowledge alarm
bool
01ce
462
Not applicable
VirtualChannel.8.Alarm1.Acknowledgement
1 = alarm acknowledged
bool
1fd0
8144
Not applicable
VirtualChannel.8.Alarm1.Active
1 = alarm source active, or safe but not ack’d
bool
1fcb
8139
Not applicable
VirtualChannel.8.Alarm1.Amount
Rate-of-change alarm ‘Amount’
float32
1fc8
8136
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm1.AverageTime
Rate-of-change alarm ‘Average time’
time_t
1fca
8138
Set by Network.Modbus.TimeFormat
VirtualChannel.8.Alarm1.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
1fc2
8130
Not applicable
VirtualChannel.8.Alarm1.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
1fc9
8137
Not applicable
VirtualChannel.8.Alarm1.Deviation
Deviation alarm ‘Deviation Value’
float32
1fc7
8135
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm1.Dwell
Alarm dwell time
time_t
1fc5
8133
Set by Network.Modbus.TimeFormat
VirtualChannel.8.Alarm1.Hysteresis
Alarm hysteresis value
float32
1fc4
8132
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm1.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
1fce
8142
Not applicable
VirtualChannel.8.Alarm1.Inhibit
1 = alarm inhibited
bool
1fd1
8145
Not applicable
VirtualChannel.8.Alarm1.Latch
As VirtualChannel1.Alarm1.Latch
uint8
1fc1
8129
Not applicable
VirtualChannel.8.Alarm1.NotAcknowledged
1 = alarm has not been acknowledged
bool
1fcf
8143
Not applicable
VirtualChannel.8.Alarm1.Reference
Deviation alarm ‘Reference’ value
float32
1fc6
8134
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm1.Status
As VirtualChannel1.Alarm1.Status
uint8
013e
318
Not applicable
VirtualChannel.8.Alarm1.Threshold
Alarm trigger threshold
float32
1fc3
8131
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm1.Type
As VirtualChannel1.Alarm1.Type
uint8
1fc0
8128
Not applicable
VirtualChannel.8.Alarm2.Acknowledge
1 = acknowledge alarm
bool
01cf
463
Not applicable
VirtualChannel.8.Alarm2.Acknowledgement
1 = alarm acknowledged
bool
1ff0
8176
Not applicable
VirtualChannel.8.Alarm2.Active
1 = alarm source active, or safe but not ack’d
bool
1feb
8171
Not applicable
VirtualChannel.8.Alarm2.Amount
Rate-of-change alarm ‘Amount’
float32
1fe8
8168
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm2.AverageTime
Rate-of-change alarm ‘Average time’
time_t
1fea
8170
Set by Network.Modbus.TimeFormat
VirtualChannel.8.Alarm2.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
1fe2
8162
Not applicable
VirtualChannel.8.Alarm2.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
1fe9
8169
Not applicable
VirtualChannel.8.Alarm2.Deviation
Deviation alarm ‘Deviation Value’
float32
1fe7
8167
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm2.Dwell
Alarm dwell time
time_t
1fe5
8165
Set by Network.Modbus.TimeFormat
VirtualChannel.8.Alarm2.Hysteresis
Alarm hysteresis value
float32
1fe4
8164
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm2.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
1fee
8174
Not applicable
VirtualChannel.8.Alarm2.Inhibit
1 = alarm inhibited
bool
1ff1
8177
Not applicable
VirtualChannel.8.Alarm2.Latch
As VirtualChannel1.Alarm1.Latch
uint8
1fe1
8161
Not applicable
VirtualChannel.8.Alarm2.NotAcknowledged
1 = alarm has not been acknowledged
bool
1fef
8175
Not applicable
VirtualChannel.8.Alarm2.Reference
Deviation alarm ‘Reference’ value
float32
1fe6
8166
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
013f
319
Not applicable
VirtualChannel.8.Alarm2.Threshold
Alarm trigger threshold
float32
1fe3
8163
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
1fe0
8160
Not applicable
VirtualChannel.8.Main.Descriptor
Virtual Channel descriptor
string_t
4bbd
19389
Not applicable
VirtualChannel.8.Main.Disable
1 = Virtual channel disabled
bool
1fa3
8099
Not applicable
VirtualChannel.8.Main.HighCutOff
The highest input value that will be totalised/counted
float32
1f85
8069
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.Input1
Input 1 value
float32
1f87
8071
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.Input2
Input 2 value
float32
1f88
8072
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.LowCutOff
The lowest input value that will be totalised/counted
float32
1f84
8068
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.ModbusInput
Modbus input value
float32
1f86
8070
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.Operation
As VirtualChannel1.Main.Operation
uint8
1f81
8065
Not applicable
VirtualChannel.8.Main.Period
The time period over which the calculation is made
int32
1f8a
8074
Not applicable
VirtualChannel.8.Main.Preset
Initiate preset. 0 = No; 1 = Yes
bool
1f8c
8076
Not applicable
VirtualChannel.8.Main.PresetValue
The Preset value
float32
1f8d
8077
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.PV
The virtual channel output value
float32
013c
316
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.Reset
Initiate reset. 0 = No; 1 = Yes
bool
1f8b
8075
Not applicable
VirtualChannel.8.Main.Resolution
Number of decimal places (0 to 6)
uint8
1f82
8066
Not applicable
VirtualChannel.8.Main.Rollover
A pulse signal to indicate PV (output) has just rolled over
bool
1f91
8081
Not applicable
VirtualChannel.8.Main.RolloverValue
Rollover value
float32
1f92
8082
Set by VirtualChannel.8.Main.Resolution
VirtualChannel.8.Main.Status
As VirtualChannel1.Main.Status
uint8
013d
317
Not applicable
VirtualChannel.8.Main.TimeRemaining
Time remaining before the calculation is made
time_t
1f89
8073
Set by Network.Modbus.TimeFormat
VirtualChannel.8.Main.Trigger
Increment/decrement counter. 0 = No; 1 = Yes
bool
1f8e
8078
Not applicable
VirtualChannel.8.Main.Type
As VirtualChannel1.Main.Type
uint8
1f80
8064
Not applicable
VirtualChannel.8.Main.Units
Units descriptor
string_t
4bd2
19410
Not applicable
VirtualChannel.8.Main.UnitsScaler
Units scaler for totalisers
float32
1f83
8067
1dp
VirtualChannel.8.Trend.Colour
As VirtualChannel1.Trend.Colour
uint8
1fa0
8096
Not applicable
VirtualChannel.8.Trend.SpanHigh
Specifies the highest PV (output value) to be displayed
float32
1fa2
8098
Same as VirtualChannel.8.Main.PV
VirtualChannel.8.Trend.SpanLow
Specifies the lowest PV (output value) to be displayed
float32
1fa1
8097
Same as VirtualChannel.8.Main.PV
VirtualChannel.9.Alarm1.Acknowledge
1 = acknowledge alarm
bool
01d0
464
Not applicable
VirtualChannel.9.Alarm1.Acknowledgement
1 = alarm acknowledged
bool
2050
8272
Not applicable
VirtualChannel.9.Alarm1.Active
1 = alarm source active, or safe but not ack’d
bool
204b
8267
Not applicable
VirtualChannel.9.Alarm1.Amount
Rate-of-change alarm ‘Amount’
float32
2048
8264
Same as VirtualChannel.9.Main.PV
VirtualChannel.9.Alarm1.AverageTime
Rate-of-change alarm ‘Average time’
time_t
204a
8266
Set by Network.Modbus.TimeFormat
VirtualChannel.9.Alarm1.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
2042
8258
Not applicable
A5E45696052A Rev-AA