Digital Indicating Controller LT2300 pages

DIGITAL INDICATING CONTROLLER

LT230 Series
LT230 series, 1/16 DIN size, new digital indicating
controllers feature all functions including newly
developed
PID
algorithms
and
overshoot
suppression function which are convenient in
various control applications.
MODEL
LT23

00–
Size
3: 48mm x 48mm
Input signal
0: Standard universal input
3: High temperature
universal input

FEATURES
Two kinds of universal input
(Standard and for high temperature)
New PID algorithms built-in
New overshoot suppression function built-in
MODBUS protocol communications for easy
system configuration
Various functions are built in for easy control.
Only 7mm thickness of the front panel
Conformance to CE, UL and CSA
(UL, CSA: Approval pending)
Water-protection conforming to IP65 (option)

Control output 1 (Heating)
1: On-off pulse type
3: Current output type
5: SSR drive pulse type
6: Voltage output type
Control output 2 (Cooling) (option)
(As this option is combined with the option of the
event output, please specify the code of the
event as 1 or 3.)

0: Not provided
1: On-off pulse type
Communications interface (option)/
remote contacts input (option)
0: Not provided
S: RS-485 +
2-point remote contacts input
1: 2-point remote contacts input
2: RS-485

MEASURING RANGES
Input type

Input range

STD

B

32 to

0.0 to 1760°C

32 to

3200°F

S

(For the combination with the option of the
heater disconnection, please select the code of
2: RS-485 shown above.)

0.0 to 1820°C

R

0.0 to 1760°C

32 to

HIGH

3300°F
3200°F
2350°F

32 to

-200 to 1370°C

-300 to

2450°F

E
T/C

0.0 to 1300°C

K

Event output (option)/CT (option) *
0: Not provided
1: Event output (EV) 2 points
3: Event 2-point +
heater disconnection (CT)

N

-199.9 to 700.0°C

-300 to

1250°F

⎯

J

-199.9 to 900.0°C

-300 to

1650°F

⎯

T

-199.9 to 400.0°C

-300 to

700°F

⎯

U

-199.9 to 400.0°C

-300 to

700°F

⎯

L

-199.9 to 900.0°C

-300 to

1650°F

⎯

0 to 2310°C

32 to

4190°F ⎯
4190°F ⎯

WRe5-WRe26

Water-protection
0: Not provided
1: IP65

W-WRe26

RTD

32 to

0 to 1880°C

32 to

3400°F ⎯

Platinel II

Power voltage
A: 100 to 240VAC (universal)
D: 24VDC (option)

0 to 2310°C

PtRh40-PtRh40

0 to 1390°C

32 to

2500°F ⎯

Pt100

-199.9 to 850.0°C

-300 to

JPt100

-199.9 to 649.0°C

DC
voltage

* 1. For the combination with the control output
2, the event output point becomes 1.
2. The heater disconnection (CT) is only
applied to the control output 1 of on-off
pulse type or SSR drive pulse type.
3. The heater disconnection (CT) cannot be
combined with the remote contacts input.

1

5V

DC
current

20mA *

0 to 5V
(0.000 to 5.000)
4 to 20mA
(1.000 to 5.000 Converted
into
voltage value)

1500°F

-300 to 1200°F
Scaling
setting
range:
-19999 to 20000
Decimal place can
be adjusted.

Note: For the current input, a 250Ω shunt resistor (sold separately) is
required.
The ranges marked with are built in.

PSE-307B