FEC920: USER GUIDE
Page 173
September 18
Parameter path
Description
Type
Hex
Dec
Resolution
VirtualChannel.14.Alarm2.Active
1 = alarm source active, or safe but not ack’d
bool
22eb
8939
Not applicable
VirtualChannel.14.Alarm2.Amount
Rate-of-change alarm ‘Amount’
float32
22e8
8936
Same as VirtualChannel.14.Main.PV
VirtualChannel.14.Alarm2.AverageTime
Rate-of-change alarm ‘Average time’
time_t
22ea
8938
Set by Network.Modbus.TimeFormat
VirtualChannel.14.Alarm2.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
22e2
8930
Not applicable
VirtualChannel.14.Alarm2.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
22e9
8937
Not applicable
VirtualChannel.14.Alarm2.Deviation
Deviation alarm ‘Deviation Value’
float32
22e7
8935
Same as VirtualChannel.14.Main.PV
VirtualChannel.14.Alarm2.Dwell
Alarm dwell time
time_t
22e5
8933
Set by Network.Modbus.TimeFormat
VirtualChannel.14.Alarm2.Hysteresis
Alarm hysteresis value
float32
22e4
8932
Same as VirtualChannel.14.Main.PV
VirtualChannel.14.Alarm2.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
22ee
8942
Not applicable
VirtualChannel.14.Alarm2.Inhibit
1 = alarm inhibited
bool
22f1
8945
Not applicable
VirtualChannel.14.Alarm2.Latch
As VirtualChannel1.Alarm1.Latch
uint8
22e1
8929
Not applicable
VirtualChannel.14.Alarm2.NotAcknowledged
1 = alarm has not been acknowledged
bool
22ef
8943
Not applicable
VirtualChannel.14.Alarm2.Reference
Deviation alarm ‘Reference’ value
float32
22e6
8934
Same as VirtualChannel.14.Main.PV
VirtualChannel.14.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
0157
343
Not applicable
VirtualChannel.14.Alarm2.Threshold
Alarm trigger threshold
float32
22e3
8931
Same as VirtualChannel.14.Main.PV
VirtualChannel.14.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
22e0
8928
Not applicable
VirtualChannel.14.Main.Descriptor
Virtual Channel descriptor
string_t
4c5f
19551
Not applicable
VirtualChannel.14.Main.Disable
1 = Virtual channel disabled
bool
22a3
8867
Not applicable
VirtualChannel.14.Main.HighCutOff
The highest input value that will be totalised/counted
float32
2285
8837
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.Input1
Input 1 value
float32
2287
8839
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.Input2
Input 2 value
float32
2288
8840
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.LowCutOff
The lowest input value that will be totalised/counted
float32
2284
8836
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.ModbusInput
Modbus input value
float32
2286
8838
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.Operation
As VirtualChannel1.Main.Operation
uint8
2281
8833
Not applicable
VirtualChannel.14.Main.Period
The time period over which the calculation is made
int32
228a
8842
Not applicable
VirtualChannel.14.Main.Preset
Initiate preset. 0 = No; 1 = Yes
bool
228c
8844
Not applicable
VirtualChannel.14.Main.PresetValue
The preset value
float32
228d
8845
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.PV
The virtual channel output value
float32
0154
340
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.Reset
Initiate reset. 0 = No; 1 = Yes
bool
228b
8843
Not applicable
VirtualChannel.14.Main.Resolution
Number of decimal places (0 to 6)
uint8
2282
8834
Not applicable
VirtualChannel.14.Main.Rollover
A pulse signal to indicate PV (output) has just rolled over
bool
2291
8849
Not applicable
VirtualChannel.14.Main.RolloverValue
Rollover value
float32
2292
8850
Set by VirtualChannel.14.Main.Resolution
VirtualChannel.14.Main.Status
As VirtualChannel1.Main.Status
uint8
0155
341
Not applicable
VirtualChannel.14.Main.TimeRemaining
Time remaining before the calculation is made
time_t
2289
8841
Set by Network.Modbus.TimeFormat
VirtualChannel.14.Main.Trigger
Increment/decrement counter. 0 = No; 1 = Yes
bool
228e
8846
Not applicable
VirtualChannel.14.Main.Type
As VirtualChannel1.Main.Type
uint8
2280
8832
Not applicable
VirtualChannel.14.Main.Units
Units descriptor
string_t
4c75
19573
Not applicable
VirtualChannel.14.Main.UnitsScaler
Units scaler for totalisers
float32
2283
8835
1dp
VirtualChannel.14.Trend.Colour
As VirtualChannel1.Trend.Colour
uint8
22a0
8864
Not applicable
VirtualChannel.14.Trend.SpanHigh
Specifies the highest PV (output value) to be displayed
float32
22a2
8866
Same as VirtualChannel.14.Main.PV
VirtualChannel.14.Trend.SpanLow
Specifies the lowest PV (output value) to be displayed
float32
22a1
8865
Same as VirtualChannel.14.Main.PV
VirtualChannel.15.Alarm1.Acknowledge
1 = acknowledge alarm
bool
01de
478
Not applicable
VirtualChannel.15.Alarm1.Acknowledgement
1 = alarm acknowledged
bool
2350
9040
Not applicable
VirtualChannel.15.Alarm1.Active
1 = alarm source active, or safe but not ack’d
bool
234b
9035
Not applicable
VirtualChannel.15.Alarm1.Amount
Rate-of-change alarm ‘Amount’
float32
2348
9032
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm1.AverageTime
Rate-of-change alarm ‘Average time’
time_t
234a
9034
Set by Network.Modbus.TimeFormat
VirtualChannel.15.Alarm1.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
2342
9026
Not applicable
VirtualChannel.15.Alarm1.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
2349
9033
Not applicable
VirtualChannel.15.Alarm1.Deviation
Deviation alarm ‘Deviation Value’
float32
2347
9031
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm1.Dwell
Alarm dwell time
time_t
2345
9029
Set by Network.Modbus.TimeFormat
VirtualChannel.15.Alarm1.Hysteresis
Alarm hysteresis value
float32
2344
9028
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm1.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
234e
9038
Not applicable
VirtualChannel.15.Alarm1.Inhibit
1 = Alarm inhibited
bool
2351
9041
Not applicable
VirtualChannel.15.Alarm1.Latch
As VirtualChannel1.Alarm1.Latch
uint8
2341
9025
Not applicable
VirtualChannel.15.Alarm1.NotAcknowledged
1 = alarm has not been acknowledged
bool
234f
9039
Not applicable
VirtualChannel.15.Alarm1.Reference
Deviation alarm ‘Reference’ value
float32
2346
9030
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm1.Status
As VirtualChannel1.Alarm1.Status
uint8
015a
346
Not applicable
VirtualChannel.15.Alarm1.Threshold
Alarm trigger threshold
float32
2343
9027
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm1.Type
As VirtualChannel1.Alarm1.Type
uint8
2340
9024
Not applicable
VirtualChannel.15.Alarm2.Acknowledge
1 = acknowledge alarm
bool
01dd
477
Not applicable
VirtualChannel.15.Alarm2.Acknowledgement
1 = alarm acknowledged
bool
2370
9072
Not applicable
VirtualChannel.15.Alarm2.Active
1 = alarm source active, or safe but not ack’d
bool
236b
9067
Not applicable
VirtualChannel.15.Alarm2.Amount
Rate-of-change alarm ‘Amount’
float32
2368
9064
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm2.AverageTime
Rate-of-change alarm ‘Average time’
time_t
236a
9066
Set by Network.Modbus.TimeFormat
VirtualChannel.15.Alarm2.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
2362
9058
Not applicable
VirtualChannel.15.Alarm2.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
2369
9065
Not applicable
VirtualChannel.15.Alarm2.Deviation
Deviation alarm ‘Deviation Value’
float32
2367
9063
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm2.Dwell
Alarm dwell time
time_t
2365
9061
Set by Network.Modbus.TimeFormat
VirtualChannel.15.Alarm2.Hysteresis
Alarm hysteresis value
float32
2364
9060
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm2.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
236e
9070
Not applicable
VirtualChannel.15.Alarm2.Inhibit
1 = alarm inhibited
bool
2371
9073
Not applicable
VirtualChannel.15.Alarm2.Latch
As VirtualChannel1.Alarm1.Latch
uint8
2361
9057
Not applicable
VirtualChannel.15.Alarm2.NotAcknowledged
1 = alarm has not been acknowledged
bool
236f
9071
Not applicable
VirtualChannel.15.Alarm2.Reference
Deviation alarm ‘Reference’ value
float32
2366
9062
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
015b
347
Not applicable
VirtualChannel.15.Alarm2.Threshold
Alarm trigger threshold
float32
2363
9059
Same as VirtualChannel.15.Main.PV
VirtualChannel.15.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
2360
9056
Not applicable
VirtualChannel.15.Main.Descriptor
Virtual Channel descriptor
string_t
4c7b
19579
Not applicable
VirtualChannel.15.Main.Disable
1 = Virtual channel disabled
bool
2323
8995
Not applicable
VirtualChannel.15.Main.HighCutOff
The highest input value that will be totalised/counted
float32
2305
8965
Set by VirtualChannel.15.Main.Resolution
A5E45696052A Rev-AA