Installation – Hach-Lange RTC103 N-Module User Manual
Page 19
19
Installation
2-Channel RTC103 N-Module connectors DO aeration stages / analog control
Module
Name
Terminal Signal
Channel
Function
16 fold digital output
1
KL2809
1
+24 V/0 V
1
Input Signals ok (24V), Input signal faulty (0V)
2
+24 V/0 V
1
Aeration step 1 ON / OFF (VFD)
3
+24 V/0 V
1
Aeration step 2 ON / OFF (VFD)
4
+24 V/0 V
1
Aeration step 3 ON / OFF
5
+24 V/0 V
1
Aeration step 4 ON / OFF
6
+24 V/0 V
1
Aeration step 5 ON / OFF
7
+24 V/0 V
1
Aeration step 6 ON / OFF
8
+24 V/0 V
1
RTC Channel 1 operating (24V), RTC failure (0V)
9
+24 V/0 V
2
Input Signals ok (24V), Input signal faulty (0V)
10
+24 V/0 V
2
Aeration step 1 ON / OFF (VFD)
11
+24 V/0 V
2
Aeration step 2 ON / OFF (VFD)
12
+24 V/0 V
2
Aeration step 3 ON / OFF
13
+24 V/0 V
2
Aeration step 4 ON / OFF
14
+24 V/0 V
2
Aeration step 5 ON / OFF
15
+24 V/0 V
2
Aeration step 6 ON / OFF
16
+24 V/0 V
2
RTC Channel 2 operating (24V), RTC failure (0V)
2 fold analog output
KL4012
0/4 to 20 mA
1
Output 1 VFD for DO control
0/4 to 20 mA
1
Output 2 VFD for DO control
2 fold analog output
KL4012
0/4 to 20 mA
2
Output 1 VFD for DO control
0/4 to 20 mA
2
Output 2 VFD for DO control
1 fold analog intput
KL3011 1 - 2
0/4 to 20 mA
1
Flow rate aeration lane
1 fold analog input
KL3011 1 - 2
0/4 to 20 mA
1
Flow rate internal recirculation
1 fold analog intput
KL3011 1 - 2
0/4 to 20 mA
2
Flow rate aeration lane
1 fold analog input
KL3011 1 - 2
0/4 to 20 mA
2
Flow rate internal recirculation
Bus termination
KL9010
Bus termination
1
Ground Connector 3 and 7, 24 V Connector 6.