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Watson & Sons 520DUN user manual Outputs 1, 2, 3, Supply voltages, Important pump status outputs

Models: 520DUN

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Important: pump status outputs

Outputs 1-4 are available as single-pole change-over relay contacts: Relay 1, 2, 3 and 4. Connect to the normally open or normally closed contacts of the relay as required and configure the pump’s software accordingly. See 18.10 Outputs.

Note: The maximum rating on the relay contacts of this pump is 30V DC; maximum load 30W.

Note: Also suitable for low power: ie, 1mA at 5VDC minimum.

22.12 Outputs 1, 2, 3, 4

Note: Relay 1 (J14) is represented here. Relay 2, Relay 3 and Relay 4 (J15, J16 and J17) function identically.

Connect your output device to the c (common) terminal of your chosen relay connector and either the n/c termi- nal or the n/o terminal (normally closed or normally open) as required. Configure the pump’s software accord- ingly. See 18.10 Outputs.

By default, Relay 1 is configured to indicate Run/Stop sta- tus; Relay 2 is configured to indicate Direction status; Relay 3 is configured to indicate Auto/man status; Relay 4 is configured to indicate General alarm status. See 12 Switching the pump on for the first time.

22.13 Supply voltages

An appropriate voltage supply is available where required on each connector. In addition, supplies may be drawn from the Spare supplies connector (J12).

In the table below, “Max load” is the maximum total load on each supply, irrespective of the number of connections.

Watson-Marlow 520DuN IP66/NEMA 4X User Manual

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Page 69
Image 69
Watson & Sons 520DUN user manual Outputs 1, 2, 3, Supply voltages, Important pump status outputs
Page 68 Page 70

520DUN specifications

Watson & Sons 520DUN is a state-of-the-art model that has garnered attention for its exceptional performance and innovative technologies. Designed for agricultural applications, this machine combines durability, efficiency, and ease of use, catering to the needs of modern farmers.

One of the standout features of the 520DUN is its robust engine. Equipped with a high-performance diesel engine, it offers impressive horsepower, allowing it to handle a variety of demanding tasks with ease. This engine is designed for fuel efficiency, ensuring that operators can complete their work without frequent refueling. The powertrain is complemented by an advanced transmission system that enables smooth gear shifts, enhancing operator comfort during long hours of operation.

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