
Terminal Block - Pin-out Connections for Mechanical Pumps
Page 2 MDE-5073 TopKAT™ PLUS Bypass Switch Installation Instructions · March 2013
Terminal Block - Pin-out Connections for Mechanical
Pumps
Following table lists the TopKAT PLUS terminal block connections for mechanical pumps.
TopKAT PLUS Terminal Block Mechanical Pump – Connections Definition
Terminal
No. Signal Name F
unctional Description
1 LINE_IN_(115/230V) Line Connection, TopKAT PLUS power input
2 NEUTRAL_IN_(115/230V) Neutral Connection, TopKAT PLUS power input
3 GROUND_IN_(115/230V) Ground Connection, TopKAT PLUS power input
4 LINE_1 Pump control 220/110 VAC input - Nozzle 1
5 LOAD_1 Pump control output - Nozzle 1
6 LINE_2 Pump control 220/110 VAC input - Nozzle 2
7 LOAD_2 Pump control output - Nozzle 2
8 IN_USE_1_ A(AC) Handle Up - In-use signal input - Nozzle 1
9 IN_USE_1_ B(RETURN) Handle Up - AC In-use signal return - Nozzle 1
10 IN_USE_2_ A(AC) Handle Up - In-use signal input - Nozzle 2
11 IN_USE_2_ B(RETURN) Handle Up - AC In-use signal return - Nozzle 2
12 -DC OUT FOR BY-PASS_2 Connection to external Bypass Nozzle 2
13 BY- PASS_2_IN Connection to external Bypass Nozzle 2
14 PULSER_1 Pulser Input - Nozzle 1
15 PULSER_2 Pulser Input - Nozzle 2
16 +12V_2_P +12 VDC Output to Pulser - Nozzle 2
17 -DC OUT FOR BY-PASS_1 Connection to external Bypass Nozzle 1
18 BY-PASS_1_IN Connection to external Bypass Nozzle 1
19 GND_1_P Nozzle Grounding - Nozzle 1
20 GND_2_P Nozzle Grounding - Nozzle 2
21 +12V_1_P +12 VDC Output to Pulser - Nozzle 1
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