Table 13 RTC111 SRT-module (2-channels) (continued)
Tag name
Parameter
Unit
Channel Description
RTC input
DO2_3
mg/L
2
Optional: O
2
concentration aeration zone 3
RTC input
DO2_4
mg/L
2
Optional: O
2
concentration aeration zone 4
RTC input
SAS flow 2 mg/L
2
Flow rate surplus activated sludge
RTC input
Flow 2
mg/L
2
Flow rate influent
MEASUREMENT 1 Qeff 1
L/s
1
Effluent flow as supplied to the RTC.
MEASUREMENT 2 Qsas 1
L/s
1
Surplus activated sludge flow
MEASUREMENT 3 SRT 1
days
1
Calculated actual aerobic sludge retention time
MEASUREMENT 4 Qeff 2
L/s
2
Effluent flow as supplied to the RTC.
MEASUREMENT 5 Qsas 2
L/s
2
Surplus activated sludge flow
MEASUREMENT 6 SRT 2
days
2
Calculated actual aerobic sludge retention time
ACTUAT VAR 7
SRTSP 1
days
1
Set point for aerobic sludge retention time
ACTUAT VAR 8
Qs 1
L/s
1
Effective set point for surplus activated sludge flow
including all preset limits.
ACTUAT VAR 9
Digi 1
no unit 1
Surplus activated sludge pump ON/OFF signal
ACTUAT VAR 10
msaSP 1
kg/d
1
Set point for sludge mass draws off.
ACTUAT VAR 11
msas 1
kg
1
Surplus activated sludge mass draw off during actual
calendar day.
ACTUAT VAR 12
SRTSP 2
days
2
Set point for aerobic sludge retention time
ACTUAT VAR 13
Qs 2
L/s
2
Effective set point for surplus activated sludge flow
including all preset limits.
ACTUAT VAR 14
Digi 2
no unit 2
Surplus activated sludge pump ON/OFF signal
ACTUAT VAR 15
msaSP 2
kg/d
2
Set point for sludge mass draws off.
ACTUAT VAR 16
msas 2
kg
2
Surplus activated sludge mass draw off during actual
calendar day.
Troubleshooting
Warnings
Warning
Description
Solution
MODBUS ADDRESS
The RTC menu SET DEFAULTS
was selected. This deleted the
Modbus address of the RTC module
in the sc1000 controller.
Access the following menu and set the correct
MODBUS address. Go to: MAIN MENU>RTC
MODULES/PROGNOSYS> RTC
MODULES>RTC> CONFIGURE>MODBUS>
ADDRESS.
PROBE SERVICE
A configured sensor is in service
mode.
Go to the TEST/MAINT menu of selected sensor
and end the SERVICE mode.
SENSOR MISSING
A selected sensor was disconnected
from the sc1000 network.
Connect the sensor to sc1000 network again.
SENSOR FAIL
A selected sensor shows an error.
Look at the error mode of selected sensors.
Refer to the sensor documentation for
troubleshooting information.
16
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Содержание RTC
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