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Table 10 RTC111 SRT-module, LXV409.99.00101, 1-channel (continued)
Module
Name
Terminal Signal
Channel Function
1-fold analog output KL4011 1(+) 3(-)
0/4 to 20 mA 1
SAS pump VFD control signal
1-fold analog input
KL3011 1(+) 2(-)
0/4 to 20 mA 1
Inflow volume to plant
1-fold analog input
KL3011 1(+) 2(-)
0/4 to 20 mA 1
Input SAS volume flow signal
Bus end terminal
KL9010
—
—
—
Bus termination
RTC112 SD-module electrical connections
Refer to
for the 1-channel version. Refer to
for the 2-channel version.
Table 11 RTC112 SD-module, LXV410.99.00101, 1-channel
Module
Name
Terminal Signal
Channel Function
4-fold digital output
5
KL2134 1
+24 V/0 V
1
Polymer pump ON/OFF (24 V/0 V); (LED
a)
2
+24 V/0 V
1
Closed-loop control of the feed flow rate
ON/OFF (24 V/0 V); (LED c)
3
+24 V/0 V
1
Input signals OK (24 V), input signal
defective (0 V); (LED b)
4
+24 V/0 V
1
RTC operating (24 V), RTC defective (0 V),
(LED d)
2-fold analog output KL4012 1(+) 3(-)
0/4 to 20 mA 1
Set point of the polymer pump flow rate
5(+) 7(-)
0/4 to 20 mA 1
Set point of the feed flow rate
1-fold analog input
KL3011 1(+) 2(-)
0/4 to 20 mA 1
Input of the feed flow rate
1-fold analog input
KL3011 1(+) 2(-)
0/4 to 20 mA 1
Input of the polymer flow rate
Bus end terminal
KL9010
—
—
—
Bus termination
Table 12 RTC112 SD-module, LXV410.99.00111, 2-channels
Module
Name
Terminal Signal
Channel Function
8-fold digital output
KL2408 1
+24 V/0 V
1
Polymer pump ON/OFF(24 V/0 V); (LED a)
5
+24 V/0 V
1
Closed-loop control of the feed flow rate
ON/OFF (24 V/0 V); (LED e)
2
+24 V/0 V
1
Input signals OK (24 V), input signal
defective (0 V); (LED b)
6
+24 V/0 V
1
RTC operating (24 V), RTC defective (0 V),
(LED f)
3
+24 V/0 V
2
Polymer pump ON/OFF (24 V/0 V); (LED c)
7
+24 V/0 V
2
Closed-loop control of the supply flow rate
ON/OFF (24 V/0 V); (LED g)
4
+24 V/0 V
2
Input signals OK (24 V), input signal
defective (0 V); (LED d)
8
+24 V/0 V
2
RTC operating (24 V), RTC defective (0 V),
(LED h)
5
Ground connectors 3 and 7.
12
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