YOKOGAWA YS1000 Series, Руководство пользователя

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6-7
IM 01B08D02-02EN
Specifications
6
Item Isolator
2-wire Transmitter Input
(Isolated), 2-wire Transmitter
Input (Non-isolated)
Optional code /A05 /A06, /A07
Input signal 1 to 5 V DC
4 to 20 mA DC signal from 2-wire
transmitter
(Power is supplied to a transmitter.)
Input resistance 1 MΩ (100 kΩ at power failure) 250Ω
External input resistance −
RL = (20 − transmitter’s minimum
operating voltage)/0.02 A (Ω) or
less
Allowable input voltage
and current
±30VDC 40mADC
Input linearization Not provided Not provided
1 to 5 V output
conversion accuracy
rating
Within ±0.2% of span
Item Frequency Input
Optional code /A08
Input signal
2-wire type: Contact, voltage pulse, current pulse (power supply to
transmitter is also possible)
3-wire type: Power supply type voltage pulse
Input frequency 0 to 10 kHz
100% frequency 0.1 to 10 kHz
Zero elevation 0 to 50% can be set for 100% input frequency.
Measuring range Changeable on Engineering Display
Low level input cutoff
point
Setting range: 0.01 Hz (and 1% of maximum frequency) to 100% input
frequency.
Minimum input pulse
width
ON: 60 µs, OFF: 60 µs (input frequency: 0 to 6 kHz)
ON: 30 µs, OFF: 30 µs (input frequency: 6 to 10 kHz)
Input signal level
Contact input: relay contact, transistor contact
Open/close detection level: Open: 100 kΩ or more, Close: 200 Ω or
less
Contact capacity: 15 V DC, 15 mA or more
Voltage/current pulse input:
Low level: −1 to +8 V, High level: +3 to +24 V
Pulse peak value: 3 V or more (input frequency: 0 to 6 kHz)
5 V or more (input frequency: 6 to 10 kHz)
Internal load resistance
(for current pulse input)
Selectable from 200 Ω, 500 Ω, and 1 kΩ; to be specified when ordering
Input filter Selectable whether to add a 10 ms filter (for no-voltage contact); to be specified when ordering
Power supply for
transmitter
Selectable from 12 V DC at 30 mA, and 24 V DC at 30 mA; to be specified when ordering
1 to 5 V output
conversion accuracy
rating
Within ±0.2% of span
6.1 General Specifications