Mettler Toledo M400 Spezifikationen Seite 45
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Transmitter Multiparameter M400 45
© 11 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M400
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8.5 Alarm / Clean
(PATH: Menu / Configure / Alarm / Clean)
Enter configuration mode as described in Section 8.1.
This Menu allows the configuration of Alarm and Clean functionality.
8.5.1 Alarm
To select ”Setup Alarm”, press the or key so that ”Alarm” is flashing.
Using the and buttons, navigate to ”Use Relay #”. Using the or keys, select a relay
to be used for the Alarm and press [ENTER].
One of the following events may be alarmed:
1. Power Failure
2. Software Failure
3. Rg Diagnostics – pH glass membrane resistance (only for pH sensors)
4. Rr Diagnostics – pH reference resistance (only for pH sensors)
5. Cond cell open (only for cond sensors)
6. Cond cell shorted (only for cond sensors)
7. Channel B disconnected (only for ISM sensors)
8. Shaft Error (only for optical Sensors)
9. Signal Error (only for optical Sensors)
10. Hardware Error (only for optical Sensors)
Detailed information about error messages for an optical sensor you find in the
Menu/Service/Diagnostics/O
2
optical.
If any of these are set to Yes, an alarm signal will be initiated, the selected relay will be
activated, and an alarm message will be recorded if:
1. there is a power failure or power cycling
2. the software watchdog performs a reset
3. Rg is out of tolerance – for example, broken measuring electrode (only for pH sensors)
4. Rr is out of tolerance – for example, coated or depleted reference electrode (only for pH
sensors)
5. If the conductivity sensor is on air (for example in an empty pipe)
6. If the conductivity sensor has a short cut
7. If no sensor is connected on channel B (only for ISM sensors)
For 1 and 2 the alarm indicator will be turned off when the alarm message is cleared. It will
reappear if the power is constantly cycling or if the watchdog is repeatedly resetting the system.
Only for pH sensors
For 3 and 4 the alarm indicator will go off if the message is cleared and the sensor has been
replaced or repaired so that the Rg and Rr values are within specification. If the Rg or Rr
message is cleared and Rg or Rr is still out of tolerance then the alarm will stay on and the
message will reappear. The Rg and Rr alarm can be turned off by going into this menu and
setting Rg Diagnostics and / or Rr Diagnostics to No. The message can then be cleared and
the alarm indicator will be off even though Rg or Rr is out of tolerance.
- 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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