Mettler Toledo M400 Especificaciones Pagina 58
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Transmitter Multiparameter M400 58
© 11 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M400
Printed in Switzerland 52 121 378
10.3 Mode
(PATH: MENU / PID Setup / Mode)
This menu contains the selection of control modes using relays or analog outputs. Press
[ENTER].
10.3.1 PID Mode
This menu assigns a relay or analog output for PID control action as well as details of their
operation. Based on the control device being used, select one of the following three paragraphs
for use with solenoid valve, pulse input metering pump or analog control.
Pulse Length – If using a solenoid valve, select ”Relays” and ”PL”, Pulse Length.
Choose the first relay position as #3 (recommended) and / or the second relay position
as #4 (recommended) as well as the Pulse Length (PL) according to the table below. A longer
pulse length will reduce wear on the solenoid valve. The % ”on” time in the cycle is proportional
to the control output.
C
NOTE: All relays from #1 to #6 can be used for the controlling function.
1
st
Relay Position
(#3)
2
nd
Relay Position
(#4)
Pulse Length (PL)
Conductivity
Controlling
concentrating reagent
feed
Controlling dilution water
Short (PL) provides
more uniform feed.
Suggested start point
= 30 sec
pH / ORP
Feeding base Feeding acid
Reagent addition cycle:
short PL provides more
uniform addition of
reagent. Suggested start
point = 10 sec
Dissolved
Oxygen
Reverse control action
Direct acting control
action
Feed cycle time: short
PL provides more
uniform feed. Suggested
start point = 30 sec
- Operation Manual 1
- Multiparameter 1
- Transmitter M400 1
- 1 Introduction 7
- 2 Safety instructions 7
- WARNINGS: 8
- 3 Unit overview 9
- 3.2.1 Menu Structure 10
- 3.2.2 Navigation keys 10
- ↑ in Display 11
- 3.2.6 ”Save changes” dialog 12
- 3.2.7 Security Passwords 12
- 3.3 Display 12
- 4 Installation instruction 13
- 4.1.2 Installation procedure 14
- �40 ... �60 mm 15
- �1.57... �2.36" 15
- 4.2.1 Housing (wall mount) 16
- 4.3 Connector PIN definition 17
- 4.3.1 TB1 and TB2 17
- 4.4.2 AK9 Cable Assignment 20
- A B C D E F S 21
- 4.4.4 VP Cable Assignment 22
- 4.4.5.1 Example 1 23
- 4.4.5.2 Example 2 24
- 4.4.5.3 Example 3 25
- 4.4.5.4 Example 4 26
- A B C D E F 29
- 6 Quick Setup 31
- 7 Sensor Calibration 32
- 7.3 Oxygen Calibration 33
- 7.3.3 Process Calibration 34
- 7.4 pH Calibration 35
- 7.4.1 One point calibration 35
- 7.4.2 Two point calibration 36
- 7.4.3 Process calibration 36
- 7.4.4 mV calibration 36
- 7.7 Sensor Verification 38
- 8 Configuration 39
- 8.2.3 pH / O 40
- Parameter related settings 40
- 8.2.3.2 pH Parameters 41
- 8.2.4 Set Averaging 42
- 8.3 Analog Outputs 43
- 8.4 Setpoints 44
- 8.5 Alarm / Clean 45
- 8.5.1 Alarm 45
- 8.5.2 Clean 46
- 8.6.1 Sensor Monitoring 46
- 8.6.2 CIP Cycle Limit 47
- 8.6.3 SIP Cycle Limit 48
- 8.7 Display 49
- 8.7.1 Measurement 49
- 8.7.2 Resolution 50
- 8.7.3 Backlight 50
- 8.7.4 Name 50
- 8.8 Hold Analog Outputs 51
- 9 System 52
- 9.3 Passwords 53
- 9.3.1 Changing Passwords 53
- 9.4 Set / Clear Lockout 54
- 9.5 Reset 54
- 9.5.1 Reset System 54
- 9.6 Set Date & Time 55
- 10 PID Setup 56
- 10.1 Enter PID Setup 57
- 10.2 PID Auto / Manual 57
- 10.3 Mode 58
- 10.3.1 PID Mode 58
- 10.4 Tune Parameters 59
- 10.4.3 Proportional Limits 60
- 10.4.4 Corner Points 60
- 10.5 PID Display 60
- 11 Service 61
- 11.1.3 Display 62
- 11.1.4 Keypad 62
- 11.1.5 Memory 62
- 11.1.6 Set Relay 62
- 11.1.7 Read Relays 63
- 11.1.8 Set Analog Outputs 63
- 11.1.9 Read Analog Outputs 63
- 11.2 Calibrate 64
- 11.2.1.1 Temperature 64
- 11.2.1.2 Current 65
- 11.2.1.3 Voltage 65
- 11.2.1.4 Rg Diagnostic 66
- 11.2.1.5 Rr Diagnostics 66
- 11.2.2 Calibrate Analog 67
- 11.2.3 Calibrate Unlock 67
- 11.3 Tech Service 67
- 12 Info 68
- 13 Maintenance 71
- 14 Troubleshooting 71
- 14.1 Changing the Fuse 72
- 16 Specifications 75
- 17 Default tables 77
- 17.2 M400 78
- 17.3 Error messages 80
- 18 Warranty 81
- 19 Buffer tables 82
- 19.3 NIST Technical Buffers 83
- 19.5 Hach buffers 84
- 19.6 Ciba (94) buffers 84
- 19.8 WTW buffers 85
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