Toshiba TIC-LF232A Manual De Usuario
TIC-LF232A
2
Power supply:
One of the following can be selected
・
100 to 240 Vac
(Allowable voltage 80 to 264 Vac, 50/60Hz)*
1
・
24 Vdc
(Allowable voltage 21 to 27 Vdc)*
2
*1
When the 7
th
digit of specification code is “B”,
power supply is 100 to 120Vac
(Allowable voltage range is 80 to 132VAC, 50/60Hz)
*2 When the 7
th
digit of specification code is “B”,
24Vdc cannot be selected.
Power consumption:
17W (27VA) or less
(
When 7
th
digit of specification code is “A”
)
35W (120VA) or less
(When 7
th
digit of specification code is “B”)
Converter Specifications
Input signals
Analog signal — the voltage signal from detector,
proportional to process flow rate.
Digital input DI (opt.)
(added when 9
(added when 9
th
digit of specification code is ”3”)
Voltage level: High level 20 to 30 V dc
Low level 2 V dc or less
Input resistance: 2.7 k
Ω
Number of inputs: 2 points (DI1 and DI2)
DI functions:
For digital input function, either of the following
functions can be selected.
functions can be selected.
• Range switching
One Digital Input is used: switching between large
and small ranges of forward/reverse, 2-range
measurement.
Two Digital Inputs are used: switching between
ranges of single direction, 4-range measurement.
and small ranges of forward/reverse, 2-range
measurement.
Two Digital Inputs are used: switching between
ranges of single direction, 4-range measurement.
• Totalizer control input
Totalizer Start/Stop control or Reset/Start
•Output hold input
Totalizer Start/Stop control or Reset/Start
•Output hold input
Fixed with set value for current output and pulse
output (loop check)
output (loop check)
• Zero adjustment
Starts zero adjustment (on-stream at zero flow rate)
when DI voltage level goes low after remaining
high for 10 to 20 seconds.
when DI voltage level goes low after remaining
high for 10 to 20 seconds.
Output signals
Current output:
4–20mAdc (load resistance 0 to 1K
Ω)
Digital output (DO) — One point (std.) and three
more point is optionally available as follows.
Digital output DO1 (std.):
Output type: Transistor open collector
Number of outputs: One point
Output capacity : 30Vdc, 200mA maximum
Digital output DO2～DO4 (opt.)
(Added when 9
(Added when 9
th
digit of specification code is “3”)
Out put type: Solid-state relay output (non polarity)
Number of outputs: 3 points
Output capacity: 150Vdc, 150mA maximum or
150Vac (peak to peak),
100mA maximum
DO functions—Four digital output function, either
of the following functions can be selected.
• Totalizer pulse output
DO1 or DO2 can be selected (Forward direction
pulse and reverse direction pulse can be assigned
independently)
In the case of DO1
Pulse rate: 3.6 to 3,600,000 pulses/h
Pulse width:Settable within the range of 0.3 to
500ms
In the case of DO2
Pulse rate: 3.6 to 360,000 pulses/h
Pulse width: Settable within the range of 4 to
500ms
• Rage switching output
One Digital Output (DO) is used
･Single direction, 2-range switching signal
･Forward/reverse direction switching signal
･Forward/reverse direction switching signal
Two Digital Outputs (DO) are used
･Single direction, 4-range switching signals
･Forward/reverse 2-range switching signals
･Forward/reverse 2-range switching signals
• High/low limit alarm output
An alarm is output when flow rate goes above or
below the set-point value
Setting range: -10 to 110% of the settable
maximum range
High limit 2 points, low limit 2 points can be set
At the time of alarm output, Normally Open or
Normally Closed contact can be selected
• Preset point output
Contact ON when totalizer count exceeds the set
value
value
Setting range: 1 to 99999999 count
• Converter error alarm
An alarm is output when an operation error is
detected by self-diagnosis.
At the time of alarm output, Normally Open or
Normally Closed contact can be selected
detected by self-diagnosis.
At the time of alarm output, Normally Open or
Normally Closed contact can be selected