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Watson-Marlow 520Du User Manual

Watson-Marlow Pumps

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Watson-Marlow 520Du User Manual

1

WATSON-MARLOW BREDEL MANUALS

Watson-Marlow
520Du pumps

m-520du-gb-05

Contents

1

Declaration of conformity

3

2

Declaration of incorporation

3

3

Warranty

4

4

When you unpack your pump

5

5

Information for returning
pumps

6

6

Peristaltic pumps - an overview

7

7

Safety notes

8

8

Specifications

10

8.1

Dimensions

14

9

Good pump installation practice 15
9.1

General recommendations

15

9.2

Do’s and do not’s

15

10 Connecting to a power supply

17

11 Start-up check list

20

12 Switching on for the first time

20

13 Switching on subsequently

22

14 Manual operation

23

14.1

Keypad functions
in manual mode

23

14.2

Keypad lock

26

14.3

Keypad beep

26

14.4

Manual operation and
remote digital inputs
and outputs

26

15 Main menu

27

15.1

Keypad in menu screens

27

15.2

Main menu entry

28

16 PIN-secure process protection

29

17 Calibrate

30

18 Setup

34

18.1

Trim

35

18.2

Analogue

36

18.3

Display

40

18.4

Pump number

41

18.5

Baud

41

18.6

Stop bits

42

18.7

Xon/Xoff

42

18.8

Flow units

43

18.9

Run time

44

18.10 Outputs

45

18.11 Remote stop

47

18.12 Auto-restart

48

18.13 Set maximum speed

49

18.14 Backlight

50

18.15 ROM

50

18.16 Language

51

18.17 Defaults

51

18.18 Beep

52

18.19 Security code

52

18.20 Exit

54

19 MemoDose

55

19.1

Changing dosing speed

57

19.2

Footswitch operation
with MemoDose

57

20 Pin out details

58

21 Exit

59

22 Automatic control wiring

60

22.1

Speed: analogue input 1

63

22.2

Scaling: analogue input 2

64

22.3

Speed: analogue output

65

22.4

Tachometer frequency
output

65

22.5

Run / stop input

66

22.6

Direction input

67

22.7

Auto / manual toggle

67

22.8

MemoDose input

68

22.9

Leak detection input

68

22.10 Logic outputs

70

22.11 Supply voltages

73

23 Automatic control and operation 74
24 Network control and operation

77

24.1

RS232 command strings

79

25 Troubleshooting

80

25.1

Error codes

81

26 Drive maintenance

82

27 Drive spares

82

28 The 520R, 520R2 and 520RE

pumpheads

82

28.1

Pumphead fitting

83

29 520R, 520R2 and 520RE

installation

85

29.1

Opening the guard

85

29.2

520R and 520R2
tube loading

85

29.3

520RE: fitting the
drain port

87

29.4

520RE Element loading

87

29.5

520RE Element connection 90

30 520R, 520R2 and 520RE

maintenance

91

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