Hach RTC101 Basic User Manual page 16

Table 17 RTC103 N-module with O
Module Name
8-fold digital output KL2408
2-fold analog output KL4012
1-fold analog input KL3011
1-fold analog input KL3011
Bus end terminal KL9010
16 English
and variable frequence drive control, LXV411.99.12101, 1-
2
channel
Terminal Signal
1 +24 V/0 V
5 +24 V/0 V
2 +24 V/0 V
6 +24 V/0 V
3 +24 V/0 V
7 +24 V/0 V
4 +24 V/0 V
8 +24 V/0 V
1(+) 3(-) 0/4 to 20 mA 1
5(+) 3(-) 0/4 to 20 mA 1
1(+) 2(-) 0/4 to 20 mA 1
1(+) 2(-) 0/4 to 20 mA 1
— —
Channel Function
1 Input Signals OK (24 V), Input signal
defective (0 V)
1 Aeration step 1 ON/OFF
1 Aeration step 2 ON/OFF
1 Aeration step 3 ON/OFF
1 Aeration step 4 ON/OFF
1 Aeration step 5 ON/OFF
1 Aeration step 6 ON/OFF
1 RTC operating (24 V), RTC defective (0 V)
Output 1 VFD for DO control
Output 2 VFD for DO control
Flow rate aeration lane
Flow rate internal recirculation or return
sludge
— Bus termination