Parameter path
Description
Type
Hex
Dec
Resolution
FEC920: USER GUIDE
Page 164
September 18
VirtualChannel.2.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
0127
295
Not applicable
VirtualChannel.2.Alarm2.Threshold
Alarm trigger threshold
float32
1ce3
7395
Same as VirtualChannel.2.Main.PV
VirtualChannel.2.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
1ce0
7392
Not applicable
VirtualChannel.2.Main.Descriptor
Virtual Channel descriptor
string_t
4b1b
19227
Not applicable
VirtualChannel.2.Main.Disable
1 = Virtual channel disabled
bool
1ca3
7331
Not applicable
VirtualChannel.2.Main.HighCutOff
The highest input value that will be totalised/counted
float32
1c85
7301
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.Input1
Input 1 value
float32
1c87
7303
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.Input2
Input 2 value
float32
1c88
7304
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.LowCutOff
The lowest input value that will be totalised/counted
float32
1c84
7300
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.ModbusInput
Modbus input value
float32
1c86
7302
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.Operation
As VirtualChannel1.Main.Operation
uint8
1c81
7297
Not applicable
VirtualChannel.2.Main.Period
The time period over which the calculation is made
int32
1c8a
7306
Not applicable
VirtualChannel.2.Main.Preset
Initiate preset. 0 = No; 1 = Yes
bool
1c8c
7308
Not applicable
VirtualChannel.2.Main.PresetValue
The Preset value
float32
1c8d
7309
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.PV
The virtual channel output value
float32
0124
292
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.Reset
Initiate reset. 0 = No; 1 = Yes
bool
1c8b
7307
Not applicable
VirtualChannel.2.Main.Resolution
Specifies the resolution/number of decimal places
uint8
1c82
7298
Not applicable
VirtualChannel.2.Main.Rollover
A pulse signal to indicate PV (output) has just rolled over
bool
1c91
7313
Not applicable
VirtualChannel.2.Main.RolloverValue
Rollover value
float32
1c92
7314
Set by VirtualChannel.2.Main.Resolution
VirtualChannel.2.Main.Status
As VirtualChannel1.Main.Status
uint8
0125
293
Not applicable
VirtualChannel.2.Main.TimeRemaining
Time remaining before the calculation is made
time_t
1c89
7305
Set by Network.Modbus.TimeFormat
VirtualChannel.2.Main.Trigger
Increment/decrement counter. 0 = No; 1 = Yes
bool
1c8e
7310
Not applicable
VirtualChannel.2.Main.Type
As VirtualChannel1.Main.Type
uint8
1c80
7296
Not applicable
VirtualChannel.2.Main.Units
Units descriptor
string_t
4b30
19248
Not applicable
VirtualChannel.2.Main.UnitsScaler
Units scaler for totalisers
float32
1c83
7299
1dp
VirtualChannel.2.Trend.Colour
As VirtualChannel1.Trend.Colour
uint8
1ca0
7328
Not applicable
VirtualChannel.2.Trend.SpanHigh
Specifies the highest PV (output value) to be displayed
float32
1ca2
7330
Same as VirtualChannel.2.Main.PV
VirtualChannel.2.Trend.SpanLow
Specifies the lowest PV (output value) to be displayed
float32
1ca1
7329
Same as VirtualChannel.2.Main.PV
VirtualChannel.3.Alarm1.Acknowledge
1 = acknowledge alarm
bool
01c4
452
Not applicable
VirtualChannel.3.Alarm1.Acknowledgement
1 = alarm acknowledged
bool
1d50
7504
Not applicable
VirtualChannel.3.Alarm1.Active
1 = alarm source active, or safe but not ack’d
bool
1d4b
7499
Not applicable
VirtualChannel.3.Alarm1.Amount
Rate-of-change alarm ‘Amount’
float32
1d48
7496
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm1.AverageTime
Rate-of-change alarm ‘Average time’
time_t
1d4a
7498
Set by Network.Modbus.TimeFormat
VirtualChannel.3.Alarm1.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
1d42
7490
Not applicable
VirtualChannel.3.Alarm1.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
1d49
7497
Not applicable
VirtualChannel.3.Alarm1.Deviation
Deviation alarm ‘Deviation Value’
float32
1d47
7495
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm1.Dwell
Alarm dwell time
time_t
1d45
7493
Set by Network.Modbus.TimeFormat
VirtualChannel.3.Alarm1.Hysteresis
Alarm hysteresis value
float32
1d44
7492
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm1.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
1d4e
7502
Not applicable
VirtualChannel.3.Alarm1.Inhibit
1 = alarm inhibited
bool
1d51
7505
Not applicable
VirtualChannel.3.Alarm1.Latch
As VirtualChannel1.Alarm1.Latch
uint8
1d41
7489
Not applicable
VirtualChannel.3.Alarm1.NotAcknowledged
1 = alarm has not been acknowledged
bool
1d4f
7503
Not applicable
VirtualChannel.3.Alarm1.Reference
Deviation alarm ‘Reference’ value
float32
1d46
7494
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm1.Status
As VirtualChannel1.Alarm1.Status
uint8
012a
298
Not applicable
VirtualChannel.3.Alarm1.Threshold
Alarm trigger threshold
float32
1d43
7491
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm1.Type
As VirtualChannel1.Alarm1.Type
uint8
1d40
7488
Not applicable
VirtualChannel.3.Alarm2.Acknowledge
1 = acknowledge alarm
bool
01c5
453
Not applicable
VirtualChannel.3.Alarm2.Acknowledgement
1 = alarm acknowledged
bool
1d70
7536
Not applicable
VirtualChannel.3.Alarm2.Active
1 = alarm source active, or safe but not ack’d
bool
1d6b
7531
Not applicable
VirtualChannel.3.Alarm2.Amount
Rate-of-change alarm ‘Amount’
float32
1d68
7528
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm2.AverageTime
Rate-of-change alarm ‘Average time’
time_t
1d6a
7530
Set by Network.Modbus.TimeFormat
VirtualChannel.3.Alarm2.Block
0 = Blocking alarms off; 1 = Blocking alarms on
uint8
1d62
7522
Not applicable
VirtualChannel.3.Alarm2.ChangeTime
Rate-of-change alarm ‘Change Time’
uint8
1d69
7529
Not applicable
VirtualChannel.3.Alarm2.Deviation
Deviation alarm ‘Deviation Value’
float32
1d67
7527
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm2.Dwell
Alarm dwell time
time_t
1d65
7525
Set by Network.Modbus.TimeFormat
VirtualChannel.3.Alarm2.Hysteresis
Alarm hysteresis value
float32
1d64
7524
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm2.Inactive
1 = alarm source safe and ack’d (if necessary)
bool
1d6e
7534
Not applicable
VirtualChannel.3.Alarm2.Inhibit
1 = alarm inhibited
bool
1d71
7537
Not applicable
VirtualChannel.3.Alarm2.Latch
As VirtualChannel1.Alarm1.Latch
uint8
1d61
7521
Not applicable
VirtualChannel.3.Alarm2.NotAcknowledged
1 = alarm has not been acknowledged
bool
1d6f
7535
Not applicable
VirtualChannel.3.Alarm2.Reference
Deviation alarm ‘Reference’ value
float32
1d66
7526
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm2.Status
As VirtualChannel1.Alarm1.Status
uint8
012b
299
Not applicable
VirtualChannel.3.Alarm2.Threshold
Alarm trigger threshold
float32
1d63
7523
Same as VirtualChannel.3.Main.PV
VirtualChannel.3.Alarm2.Type
As VirtualChannel1.Alarm1.Type
uint8
1d60
7520
Not applicable
VirtualChannel.3.Main.Descriptor
Virtual Channel descriptor
string_t
4b36
19254
Not applicable
VirtualChannel.3.Main.Disable
1 = Virtual channel disabled
bool
1d23
7459
Not applicable
VirtualChannel.3.Main.HighCutOff
The highest input value that will be totalised/counted
float32
1d05
7429
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.Input1
Input 1
float32
1d07
7431
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.Input2
Input 2
float32
1d08
7432
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.LowCutOff
The lowest input value that will be totalised/counted
float32
1d04
7428
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.ModbusInput
Modbus input value
float32
1d06
7430
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.Operation
As VirtualChannel1.Main.Operation
uint8
1d01
7425
Not applicable
VirtualChannel.3.Main.Period
The time period over which the calculation is made
int32
1d0a
7434
Not applicable
VirtualChannel.3.Main.Preset
Initiate preset. 0 = No; 1 = Yes
bool
1d0c
7436
Not applicable
VirtualChannel.3.Main.PresetValue
The Preset value
float32
1d0d
7437
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.PV
The virtual channel output value
float32
0128
296
Set by VirtualChannel.3.Main.Resolution
VirtualChannel.3.Main.Reset
Initiate reset. 0 = No; 1 = Yes
bool
1d0b
7435
Not applicable
VirtualChannel.3.Main.Resolution
Number of decimal places (0 to 6)
uint8
1d02
7426
Not applicable
VirtualChannel.3.Main.Rollover
A pulse signal to indicate PV (output) has just rolled over
bool
1d11
7441
Not applicable
VirtualChannel.3.Main.RolloverValue
Rollover value
float32
1d12
7442
Set by VirtualChannel.3.Main.Resolution
A5E45696052A Rev-AA
Содержание SITRANS FEC920
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