Toshiba VF-AS1 External connection, Types of PID control interface, Process value DC0~10V RR/S4

E6581301

1) External connection

R

S

T

(1) Process value

!DC:0~10V

RR/S4

CCA

VI/II

CCA

U
V	M
W

Pressure transmitter

P

(2) Feedback value DC:4~20mA

6

2) Types of PID control interface

Process value (frequency) and feedback value can be combined as follows for the PID control of the VF-AS1.

(1)Process value(frequency setting)	(2) Feedback value
Frequency setting mode selection! ￿ ￿!'￿￿￿￿￿	PID control feedback control signal selection!
	￿￿￿￿￿
￿:VI/II (voltage/current input)	￿:Deviation input (no feedback input)
￿:RR/S4 (potentiometer/voltage input)	￿:VI/II (voltage/current input)
￿:RX (voltage input)	￿:RR/S4 (potentiometer/voltage input)
￿:Operation panel input enabled (including LED/LCD	￿:RX (voltage input)
option input)	￿:Optional AI1 (differential current input)
￿:2-wire RS485 communication input	￿:Optional AI2 (voltage/current input)
￿:4-wire RS485 communication input	￿: PG feedback option
￿:Communication option input
￿:Optional AI1 (differential current input)
￿:Optional AI2 (voltage/current input)
￿￿:Motor operated pot mop setting
￿￿:Optional RP pulse input
￿￿:Optional high-speed pulse input

Note 1: About the setting of "￿ ￿!￿and￿￿￿￿￿: Do not select the same terminal that is used feedback

terminal.

Note 2: The voltage/current changeover of the analog input VI/II and the option AI1 can be set by the parameter

￿￿￿￿ or ￿￿￿￿￿

!! ! ! ! ! ! ! ! ! ! ￿￿￿￿(￿￿￿￿! 0:Voltage input (DC:0~10V)

!! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 1:current input (DC:4~20mA)

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