Toshiba lf546 User Manual

 
 

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Digital output function: Select one of the following: 

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Totalization pulse output: 

Pulse rate 

Max.   3kHz(3000pps) ･･･ DO1 

                Max. 100Hz(  100pps) ･･･ DO2 (option) 

Pulse width 

Can be set within a range of 0.3 to 500ms. 
However, must be 40% or less of the full-scale cycle. 
If the full scale 1000pps is exceeded, 
automatically set to 40% of the full-scale cycle. 

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  Multi-range switching output:  In the case of fourfold range or forward/reverse 

double range, you need to add digital output 
optionally. 

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  High and low alarm output 

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  High-high and low-low alarm output 

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  Empty alarm output 

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  Preset counter output 

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  Converter malfunction alarm output 

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  Multiple range high and low limit alarm output (option) 

Output display: Full-dot matrix 128 x 128-dot LCD (with back light) 

 

Method (protocol):  HART or PROFIBUS (option) 

Load resistance: 

240 to 750Ω (HART) 

Load capacity: 

0.25μF or less (HART) 

Structure 

  IP67 and NEMA 4X   

Housing 

Aluminum alloy 

Acrylic resin-baked coating, pearl-gray colored 

1/2-14NPT thread 
Cable connections not provided. 

  Surge arresters are installed in the power supply and current signal output circuit.