Hach RTC101 Basic User Manual page 8

Connect to the controller
Attach the supplied SUB-D connector to a two-wire, shielded data cable (signal or bus cable). Refer
to the applicable documentation for the data cable connection.
Connect to the automation unit
Different versions of RTC modules are installed with other components that can connect to the
automation unit of the plant.
RTC101 P-module electrical connections
Refer to Table 2 for the 1-channel version. Refer to
Table 2 RTC101 P-module, LXV407.99.01010, 1-channel
Module Name
2
2-fold digital output KL2032
1-fold analog output KL4011
1-fold analog input KL3011
1-fold analog input KL3011
Bus end terminal KL9010
Table 3 RTC101 P-module, LXV407.99.01011, 2-channels
Module Name
3
4-fold digital output KL2134
2-fold analog output KL4012
1-fold analog input KL3011
2-fold analog input KL3011
Bus end terminal KL9010
RTC105 N/DN-module electrical connections
Refer to Table 4, Table 6
for 2-channel versions.
Table 4 RTC105 N/DN-module, LXV408.99.20101, 1-channel
Module Name
2-fold digital output KL2032
2
Ground connectors 3 and 7.
3
Ground connectors 3 and 7.
8 English
Terminal Signal
1 +24 V/0 V
5 +24 V/0 V
1(+) 3(-) 0/4 to 20 mA 1
1(+) 2(-) 0/4 to 20 mA 1
1(+) 2(-) 0/4 to 20 mA 1
— —
Terminal Signal
1 +24 V/0 V
5 +24 V/0 V
4 +24 V/0 V
8 +24 V/0 V
1(+) 3(-) 0/4 to 20 mA 1
5(+) 7(-) 0/4 to 20 mA 2
1(+) 2(-) 0/4 to 20 mA 1
1(+) 2(-) 0/4 to 20 mA 1
— —
and Table 8 for 1-channel versions. Refer to
Terminal Signal
1 +24 V/0 V
5 +24 V/0 V
Table 3 for the 2-channel version.
Channel Function
1 Precipitant pump ON/OFF
1 RTC operating (24 V), RTC defective (0 V)
Precipitant pump dosing rate
Flow rate aeration lane
Supply volume flow
— Bus termination
Channel Function
1 Precipitant pump 1 ON/OFF
1 RTC channel 1 operating (24 V), RTC
defective (0 V)
2 Precipitant pump 2 ON/OFF
2 RTC channel 2 operating (24 V), RTC
defective (0 V)
Precipitant pump 1 dosing rate
Precipitant pump 2 dosing rate
Supply volume flow Channel 1
Supply volume flow Channel 2
— Bus termination
Table
Channel Function
1 Nitrification/denitrification
1 RTC operating (24 V), RTC defective (0 V)
5, Table 7 and Table 9