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Watson-Marlow 520DuN IP66/NEMA 4X User Manual 1
WATSON-MARLOW BREDEL MANUALS
Watson-Marlow 520DuN
IP66/NEMA 4X pumps
m-520dun-4x-gb-05
Contents
1 Declaration of conformity 3
2 Declaration of incorporation 3
3 Five-year 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 Pump specifications 10
8.1 Dimensions 15
9 Good pump installation practice 16
9.1 General recommendations 16
9.2 Do’s and do not’s 17
10 Connecting this product to a
power supply 18
11 Start-up check list 21
12 Switching the pump on for the
first time 21
13 Switching the pump on in
subsequent power cycles
(if not in auto-restart mode) 23
14 Manual operation 24
14.1 Keypad functions
in manual mode 24
14.2 Keypad lock 27
14.3 Keypad beep 27
14.4 Manual operation
and remote digital
inputs and outputs 27
15 Main menu 28
15.1 Keypad functions in
menu screens 28
15.2 Main menu entry 29
16 Pin-secure process protection 30
17 Calibrate 31
18 Setup 35
18.1 Trim 36
18.2 Analogue 37
18.3 Display 41
18.4 Pump number 42
18.5 Baud 42
18.6 Stop bits 43
18.7 Xon/Xoff 43
18.8 Flow units 44
18.9 Run time 45
18.10 Outputs 46
18.11 Remote stop 48
18.12 Auto-restart 50
18.13 Set maximum speed 51
18.14 Backlight 51
18.15 ROM 52
18.16 Language 52
18.17 Defaults 53
18.18 Beep 53
18.19 Security code 54
18.20 Exit 55
19 Pin-out details 55
20 MemoDose 56
20.1 Changing dosing speed 57
20.2 Footswitch operation
with MemoDose 58
21 Exit 58
22 Automatic control wiring 59
22.1 520N module fitting 59
22.2 Wiring up 61
22.3 Speed: analogue input 64
22.4 Scaling: analogue input 65
22.5 Speed: analogue output 66
22.6 Tachometer frequency
output 66
22.7 Run / stop input 67
22.8 Direction input 67
22.9 Auto / manual toggle 68
22.10 MemoDose input 68
22.11 Leak detection input 68
22.12 Outputs 1, 2, 3, 4 69
22.13 Supply voltages 69
22.14 RS485 input 70
23 Automatic control
and operation 71
24 Network control and operation 74
24.1 RS485 command strings 76
25 Troubleshooting 77
25.1 Error codes 78
26 Drive maintenance 79
27 Drive spares 79
28 The 520R, 520R2
and 520RE pumpheads 80
28.1 Pumphead fitting 81