Parameter path
Description
Type
Hex
Dec
Resolution
FEC920: USER GUIDE
Page 170
September 18
VirtualChannel.10.Alarm2.Deviation
Deviation alarm ‘Deviation Value’
float32
20e7
8423
Same as VirtualChannel.10.Main.PV
VirtualChannel.10.Alarm2.Dwell
Alarm dwell time
time_t
20e5
8421
Set by Network.Modbus.TimeFormat
VirtualChannel.10.Alarm2.Hysteresis
Alarm hysteresis value
float32
20e4
8420
Same as VirtualChannel.10.Main.PV
VirtualChannel.10.Alarm2.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
20ee
8430
Not applicable
VirtualChannel.10.Alarm2.Inhibit
1 = alarm inhibited
bool
20f1
8433
Not applicable
VirtualChannel.10.Alarm2.Latch
As VirtualChannel1.Alarm1.Latch
uint8
20e1
8417
Not applicable
VirtualChannel.10.Alarm2.NotAcknowledged
1 = alarm has not been acknowledged
bool
20ef
8431
Not applicable
VirtualChannel.10.Alarm2.Reference
Deviation alarm ‘Reference’ value
float32
20e6
8422
Same as VirtualChannel.10.Main.PV
VirtualChannel.10.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
0147
327
Not applicable
VirtualChannel.10.Alarm2.Threshold
Alarm trigger threshold
float32
20e3
8419
Same as VirtualChannel.10.Main.PV
VirtualChannel.10.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
20e0
8416
Not applicable
VirtualChannel.10.Main.Descriptor
Virtual Channel descriptor
string_t
4bf3
19443
Not applicable
VirtualChannel.10.Main.Disable
1 = Virtual channel disabled
bool
20a3
8355
Not applicable
VirtualChannel.10.Main.HighCutOff
The highest input value that will be totalised/counted
float32
2085
8325
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.Input1
Input 1 value
float32
2087
8327
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.Input2
Input 2 value
float32
2088
8328
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.LowCutOff
The lowest input value that will be totalised/counted
float32
2084
8324
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.ModbusInput
Modbus input value
float32
2086
8326
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.Operation
As VirtualChannel1.Main.Operation
uint8
2081
8321
Not applicable
VirtualChannel.10.Main.Period
Averaging period
int32
208a
8330
Not applicable
VirtualChannel.10.Main.Preset
Initiate preset. 0 = No; 1 = Yes
bool
208c
8332
Not applicable
VirtualChannel.10.Main.PresetValue
The Preset value
float32
208d
8333
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.PV
The virtual channel output value
float32
0144
324
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.Reset
Initiate reset. 0 = No; 1 = Yes
bool
208b
8331
Not applicable
VirtualChannel.10.Main.Resolution
Number of decimal places (0 to 6)
uint8
2082
8322
Not applicable
VirtualChannel.10.Main.Rollover
A pulse signal to indicate PV (output) has just rolled over
bool
2091
8337
Not applicable
VirtualChannel.10.Main.RolloverValue
Rollover value
float32
2092
8338
Set by VirtualChannel.10.Main.Resolution
VirtualChannel.10.Main.Status
As VirtualChannel1.Main.Status
uint8
0145
325
Not applicable
VirtualChannel.10.Main.TimeRemaining
Time remaining before the calculation is made
time_t
2089
8329
Set by Network.Modbus.TimeFormat
VirtualChannel.10.Main.Trigger
Increment/decrement counter. 0 = No; 1 = Yes
bool
208e
8334
Not applicable
VirtualChannel.10.Main.Type
As VirtualChannel1.Main.Type
uint8
2080
8320
Not applicable
VirtualChannel.10.Main.Units
Units descriptor
string_t
4c08
19464
Not applicable
VirtualChannel.10.Main.UnitsScaler
Units scaler for totalisers
float32
2083
8323
1dp
VirtualChannel.10.Trend.Colour
As VirtualChannel1.Trend.Colour
uint8
20a0
8352
Not applicable
VirtualChannel.10.Trend.SpanHigh
Specifies the highest PV (output value) to be displayed
float32
20a2
8354
Same as VirtualChannel.10.Main.PV
VirtualChannel.10.Trend.SpanLow
Specifies the lowest PV (output value) to be displayed
float32
20a1
8353
Same as VirtualChannel.10.Main.PV
VirtualChannel.11.Alarm1.Acknowledge
1 = acknowledge alarm
bool
01d4
468
Not applicable
VirtualChannel.11.Alarm1.Acknowledgement
1 = alarm acknowledged
bool
2150
8528
Not applicable
VirtualChannel.11.Alarm1.Active
1 = alarm source active, or safe but not ack’d
bool
214b
8523
Not applicable
VirtualChannel.11.Alarm1.Amount
Rate-of-change alarm ‘Amount’
float32
2148
8520
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm1.AverageTime
Rate-of-change alarm ‘Average time’
time_t
214a
8522
Set by Network.Modbus.TimeFormat
VirtualChannel.11.Alarm1.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
2142
8514
Not applicable
VirtualChannel.11.Alarm1.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
2149
8521
Not applicable
VirtualChannel.11.Alarm1.Deviation
Deviation alarm ‘Deviation Value’
float32
2147
8519
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm1.Dwell
Alarm dwell time
time_t
2145
8517
Set by Network.Modbus.TimeFormat
VirtualChannel.11.Alarm1.Hysteresis
Alarm hysteresis value
float32
2144
8516
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm1.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
214e
8526
Not applicable
VirtualChannel.11.Alarm1.Inhibit
1 = alarm inhibited
bool
2151
8529
Not applicable
VirtualChannel.11.Alarm1.Latch
As VirtualChannel1.Alarm1.Latch
uint8
2141
8513
Not applicable
VirtualChannel.11.Alarm1.NotAcknowledged
1 = alarm has not been acknowledged
bool
214f
8527
Not applicable
VirtualChannel.11.Alarm1.Reference
Deviation alarm ‘Reference’ value
float32
2146
8518
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm1.Status
As VirtualChannel1.Alarm1.Status
uint8
014a
330
Not applicable
VirtualChannel.11.Alarm1.Threshold
Alarm trigger threshold
float32
2143
8515
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm1.Type
As VirtualChannel1.Alarm1.Type
uint8
2140
8512
Not applicable
VirtualChannel.11.Alarm2.Acknowledge
1 = acknowledge alarm
bool
01d5
469
Not applicable
VirtualChannel.11.Alarm2.Acknowledgement
1 = alarm acknowledged
bool
2170
8560
Not applicable
VirtualChannel.11.Alarm2.Active
1 = alarm source active, or safe but not ack’d
bool
216b
8555
Not applicable
VirtualChannel.11.Alarm2.Amount
Rate-of-change alarm ‘Amount’
float32
2168
8552
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm2.AverageTime
Rate-of-change alarm ‘Average time’
time_t
216a
8554
Set by Network.Modbus.TimeFormat
VirtualChannel.11.Alarm2.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
2162
8546
Not applicable
VirtualChannel.11.Alarm2.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
2169
8553
Not applicable
VirtualChannel.11.Alarm2.Deviation
Deviation alarm ‘Deviation Value’
float32
2167
8551
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm2.Dwell
Alarm dwell time
time_t
2165
8549
Set by Network.Modbus.TimeFormat
VirtualChannel.11.Alarm2.Hysteresis
Alarm hysteresis value
float32
2164
8548
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm2.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
216e
8558
Not applicable
VirtualChannel.11.Alarm2.Inhibit
1 = alarm inhibited
bool
2171
8561
Not applicable
VirtualChannel.11.Alarm2.Latch
As VirtualChannel1.Alarm1.Latch
uint8
2161
8545
Not applicable
VirtualChannel.11.Alarm2.NotAcknowledged
1 = alarm has not been acknowledged
bool
216f
8559
Not applicable
VirtualChannel.11.Alarm2.Reference
Deviation alarm ‘Reference’ value
float32
2166
8550
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
014b
331
Not applicable
VirtualChannel.11.Alarm2.Threshold
Alarm trigger threshold
float32
2163
8547
Same as VirtualChannel.11.Main.PV
VirtualChannel.11.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
2160
8544
Not applicable
VirtualChannel.11.Main.Descriptor
Virtual Channel descriptor
string_t
4c0e
19470
Not applicable
VirtualChannel.11.Main.Disable
1 = Virtual channel disabled
bool
2123
8483
Not applicable
VirtualChannel.11.Main.HighCutOff
The highest input value that will be totalised/counted
float32
2105
8453
Set by VirtualChannel.11.Main.Resolution
VirtualChannel.11.Main.Input1
Input 1 value
float32
2107
8455
Set by VirtualChannel.11.Main.Resolution
VirtualChannel.11.Main.Input2
Input 2 value
float32
2108
8456
Set by VirtualChannel.11.Main.Resolution
VirtualChannel.11.Main.LowCutOff
The lowest input value that will be totalised/counted
float32
2104
8452
Set by VirtualChannel.11.Main.Resolution
VirtualChannel.11.Main.ModbusInput
Modbus input value
float32
2106
8454
Set by VirtualChannel.11.Main.Resolution
VirtualChannel.11.Main.Operation
As VirtualChannel1.Main.Operation
uint8
2101
8449
Not applicable
A5E45696052A Rev-AA