Toshiba LF434 - Manual (Page 147)

TOSHIBA
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■ LF404 Converter
Input signal
Dij^ital input DI {option)
Signal type: 20 to 30 V dc voltage signal
Input resistance: 2.7 kii
Number of inputs: One point
Output signals
Current output: 4 to 2f) mAdc (load resistance 0 to 1 kO)
Digital outputs — One point (siardard), One more point is optionally available.
Digital output DOl (standard):
Output type: Transistor open collector
Number of output!^: One point
Output capacity: 30 V dc, 200 niA maximum
Digital output D02 (option);
Output type: Solidstate relay (non polarity)
Number of outputs: One point
Output capacity: 50 V dc, 150 тЛ maximuiTi
1)1 function — One of the following functions can be assigned for the optional Dl signal.
Range switching — Selects one two ranges in the 2-range setting or selects either the
higher or lower range in the bidirectional 2-rangc setting.
Totalizer control — “Starts and stops” or "Resets and Starts" the totalizer,
Fixed-value outputs — Outputs fixed-values Гог current output and pulse output.
Zero adjustment — Starts zero adjustment (on-stream at zero flow rate).
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