Toshiba LF434 - Manual (Page 149)

TOSHIBA
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Parameter setting — Parametors Oiin be set as follows depcndiitg on whether ihc LCD
display is provided or not,
LF404 with LCD display: Three coiitroJ keys arc provided to set coniiguration
parameters,
LF404 without LCD display: The AFlOti hand-held terminal is needed to set
parameters.
Zero and span calibration;
I3uih-in calibration signal source allows converter unit check.
Zen) adjustment:
Zero point adjustment can be started by pressing the switch in the converter.
Conditions when power fails:
The outputs and display will become as follows w'hen power fails. Parameter selling
values are stored in non-volatile memory' and the values will be restored when the
power returns to normal condition.
Current output: f) mAdc
Digital output: OFF ( Open )
LCD display: No display
Power .supply:
One of the following can be selected:
• mo to 240 V ac ( Allowable voltage 80 to 264 V ac ), 50/60 Hz (standard) ,
• 24 V dc (Allow^lc voltage 20.4 to 28,8 V dc)
‘ 110 V dc (AJlow'Ubk voltage 98 to 121 V dc)
Arrester:
Arresters are installed in the power supply and current signal output circuit.
To use the arresters, ground theGND terminal, ( See Chapter 5, “Wiring,”)
Housing: Aluminum alloy
Coating: Acrylic resin-baked coating, pearl-gray colored
Structure: 1P67 (NEMA4) Watertight
Cable connection pnrt 1/2-14 NPT ihread
Vibration resistance
No resonance to the following levels of vibration;
* lO to 60 Hz. amplitude 0.07 mm;
• 60 to 1.50 TIz with acceleration of 9.8 m/s^.
No problem occurs afier application of 30 U z , 29,4 m/s vibration in any axis for lour 4
hours.
Note: Avoid using the flowmeter in an environment with constant vibnifion,
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