KT (AKT2,4,7,8,9,4H,4B)
6
RATING & SPECIFICATIONS
Display
Specifications
KT2 KT4 KT8 KT9 KT7 KT4H/4B
Size (W × H × D) 48 × 24 × 98.5mm 48 × 48 × 95mm 48 × 96 × 98.5mm 96 × 96 × 98.5mm 22.5 × 75 × 100mm 48 × 48 × 62mm
Supply voltage (Must be specified)
100 to 240V AC
24V AC/DC
Frequency 50/60Hz
Power consumption Approx. 5VA Approx. 8VA Approx. 6VA Approx. 8VA
Input type Input range
Thermocouple
K
–200 to 1370°C (–320 to 2500°F)
–199.9 to 400.0°C (–199.9 to 750.0°F)
–200.0 to 400.0°C
(–320 to 750.0°F)
J –200 to 1000°C (–320 to 1800°F)
R 0 to 1760°C (0 to 3200°F)
S 0 to 1760°C (0 to 3200°F)
B 0 to 1820°C (0 to 3300°F)
E –200 to 800°C (–320 to 1500°F)
T –199.9 to 400.0°C (–199.9 to 750.0°F)
–200.0 to 400.0°C
(–320 to 750.0°F)
N –200 to 1300°C (–320 to 2300°F)
PL-II 0 to 1390°C (0 to 2500°F)
C (W/Re5-26) 0 to 2315°C (0 to 4200°F)
RTD
Pt100
–200 to 850°C (–300 to 1500°F)
–199.9 to 850.0°C (–199.9 to 999.9°F)
–200.0 to 850.0°C
(–320.0 to 1500.0°F)
JPt100
–200 to 500°C (–300 to 900°F)
–199.9 to 500.0°C (–199.9 to 900.0°F)
–200.0 to 500.0°C
(–320.0 to 900.0°F)
DC
Current
4 to 20mA DC
–1999 to 9999, –199.9 to 999.9
–19.99 to 99.99, –1.999 to 9.999
• Scaling and change to the decimal point position is possible for DC current and DC voltage input.
• DC current input is supported with an externally mounted 50Ω shunt resistor (sold separately).
–2000 to 10000
0 to 20mA DC
Voltage
0 to 1V DC
0 to 10V DC
1 to 5V DC
0 to 5V DC
Multi-input
Thermocouple K, J, R, S, B, E, T, N, PL-II, C (W/Re5-26) External resistor: Max. 100Ω (max. 40Ω external resistor for B input)
RTD Pt100, JPt100Ω 3-conductor system (Allowable input conductor resistance for each conductor: max. 10Ω)
DC
current
0 to 20mA DC
Input impedance: 50Ω (Connect 50Ω shunt resistor between input terminals.)
Allowable input current: max. 50 mA (when 50Ω shunt resistor is used)
4 to 20mA DC
DC
voltage
0 to 1V DC Input impedance: min. 1 MΩ, Allowable input voltage: max 5 V, Allowable signal source resistance: max. 2 kΩ
0 to 5V DC
Input impedance: min. 100 kΩ, Allowable input voltage: max 15 V, Allowable signal source resistance: max. 100Ω1 to 5V DC
0 to 10V DC
Control output
(Must be
specified)
Relay contact (contact
material: silver alloy)
1a 1a 1a1b 1a 1a
3A 250V AC (Resistive load), 1A 250V AC (Inductive load cos
φ
=0.4), Electric life: 100,000 times
Non-contact DC voltage 12 V DC, Max. load current: 40mA (Short-circuit protected)
12V DC ±15%,
Max. load current:
40mA (Short-
circuit protected)
DC current 4 to 20mADC Load resistance: Max. 550Ω
Alarm output 1 (EVT1)
Relay contact
(Contact material: Ag alloy)
Relay contact 1a
3A 250V AC
(Resistive load),
1a 1A 250V AC
(Inductive load
cos
φ
=0.4)
Relay contact 1a 3A 250VAC (Resistive load)
Electric life: 100,000 times
Open collector,
Control capacity:
24V DC 0.1A
(Max.)
Relay contact 1a:
3A 250VAC
(Resistive load)
Electric life:
100,000 times
Alarm output 2 (EVT2)
Open collector
0.1A 24V DC
The same as the one of Alarm output 1 None
Same as
Alarm output 1
Control mode
Actions mentioned below can be selected by key operation. [Default PID] PID (with auto-tuning function), PI, PD (with manual
reset function), P (with manual reset function), ON/OFF action
Target temperature setting
Primary setting/
secondary setting
(switched by
external terminal)
—
Primary setting/secondary setting
(switched by external terminal)
—
Primary setting/
secondary setting/
third setting/fourth
setting (switched
by external
terminal)
Program control function
1 pattern, 9 step
setting is possible
(However, make
function selection
setting of either
control with fixed
set point or
program control.)
—
Accuracy
Thermocouple
Within ±0.2% ±1 digit of each input span or within ±2°C (4°F) whichever is greater
However, R and S input; Within ±6°C (12°F) in the range of 0 to 200°C (0 to 400°F)
B input 0 to 300°C (0 to 600°F): Accuracy is not guaranteed.
K, J, T, E, and N input less than 0°C (32°F): Within ±0.4% ±1 digit of input span
RTD Within ±0.1% ±1 digit of each input span or ±1°C (2°F) whichever is greater
DC current and DC voltage Within ±0.2% ±1 digit of each input span
Sampling period 250ms
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