Mettler Toledo M300 FLOW Especificações Página 53
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Transmitter M300 FLOW 53
© 09 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M300 FLOW
Printed in Switzerland 52 121 319
10.4 Mode
(PATH: Menu/PID Setup/Mode)
This menu contains the selection of control modes using a relay or analog output.
10.4.1 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 #1 if controlling a pump or signal-to-open valve. Choose the second relay
position as #2 if controlling a signal-to-close valve. Set the pulse length (feed cycle time) in
seconds. A short pulse length will provide more uniform feed. A longer pulse length will reduce
wear on the solenoid valve. A value of 10 seconds may be a good starting point. The % ”on”
time in the cycle is proportional to the control output.
Pulse Frequency – If using a pulse input metering pump, select ”Relays” and ”PF”, Pulse
Frequency. Choose the first relay position as #3 if controlling a pump. Choose the second relay
position as #4 if controlling a reverse acting pump. Set the pulse frequency to the maximum
frequency allowed for the particular pump being used, typically 60 to 100 pulses/minute.
Control action will produce this frequency at 100% output.
CAUTION: Setting the Pulse Frequency too high may cause the pump to overheat.
Analog – If using Analog control, change ”Relays” to ”Analogout”. Choose the first Analogout
position as #1 if controlling a pump or signal-to-open valve. Choose the second Analogout
position as #2 if controlling a signal-to-close valve. Select the analog output current range
required by the control device, 4–20 or 0–20 mA.
After assigning the PID control action, pressing the [ENTER] key again will bring up the Save
Changes dialog.
- Operation Manual 1
- Transmitter M300 FLOW 1
- Transmitter M300 FLOW 2 2
- Transmitter M300 FLOW 4 4
- Transmitter M300 FLOW 5 5
- Transmitter M300 FLOW 6 6
- 1 Introduction 7
- 2 Safety instructions 7
- Transmitter M300 FLOW 8 8
- 3 Unit overview 9
- 3.2 Overview 1/2DIN 10
- 3.3 Control/Navigation Keys 11
- 3.3.2 Navigation keys 12
- 3.4 Display 13
- 4 Installation instruction 14
- Power Fuse 15
- METTLER TOLEDO 17
- 4.3 Connector PIN definition 19
- Transmitter M300 FLOW 20 20
- 4.4 Connection of Sensor 21
- 4.6 Kit Contents 21
- Flow Sensors 22
- Type: high 22
- Racine Federated 26
- (formerly Asahi/America) 26
- Vortex Sensor 26
- 5 Placing in/out of service 27
- 6 Quick Setup 28
- 6.4 Measurement Selection 29
- 6.5 Analog Outputs 29
- 6.6 Set Points 30
- 7 Calibration 31
- 7.2 Sensor Calibration 32
- 7.2.2 Two point Calibration 33
- 7.3 Edit 34
- 7.4 Verify 34
- 8 Configuration 35
- 8.2 Measurement Setup 36
- 8.2.1 Set Averaging 37
- 8.2.2 Set Pipe ID 37
- 8.2.3 Reset Total Flow 38
- 8.2.4 External Total Reset 38
- 8.3 Analog Outputs 39
- 8.4 Set Points 40
- Transmitter M300 FLOW 41 41
- 8.5 Alarm 42
- 8.6 Display 43
- 8.6.3 Backlight 44
- 8.6.4 Name 44
- 8.7 Hold Outputs 45
- 9 System 46
- 9.3 Passwords 47
- 9.4 Set/Clear Lockout 48
- 9.5 Reset 48
- Transmitter M300 FLOW 49 49
- 10 PID Setup 50
- 10.1 Enter PID Setup 51
- 10.2 PID Display Auto-Manual 51
- 10.3 Tune Parameters 51
- 10.3.3 Proportional Limits 52
- 10.3.4 Corner Points 52
- 10.4 Mode 53
- 10.4.2 PID Control Tuning 54
- 11 Service 55
- 11.1.2 Digital Input 56
- 11.1.3 Display 56
- 11.1.4 Keypad 56
- 11.1.5 Memory 56
- 11.1.6 Set Relays 57
- 11.1.7 Read Relays 57
- 11.1.8 Set Analog Outputs 57
- 11.2 Calibrate 58
- 11.2.2 Calibrate Analog 59
- 11.3 Tech Service 60
- 12 Info 61
- 13 Maintenance 62
- 14 Trouble Shooting 63
- 16 Specifications 64
- Transmitter M300 FLOW 65 65
- 17 Default Tables 66
- Transmitter M300 FLOW 67 67
- 18 Warranty 68
- 19 UL Statement 68
- Transmitter M300 FLOW 69 69
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