10. Specifications
10.1 Standard specification
Model name
:
Temperature
controller
Mounting metho
: DIN rail mounting method
d
d
Setting
metho
: Input system using membrane sheet key
Display
PV display
: Red LED 4 digits, character size 7.4 x 4mm (H x W)
SV display
: Green LED 4 digits, character size 7.4 x 4mm
(H x W)
Input
Thermocouple : K, J, R, S, B, E, T, N, PL- , C (W/Re5-26) External resistance: 100 or
less
However, for thermocouple B, external resistance, 40 or
less
RTD
: Pt100, JPt100, 3-wire system
Allowable
input
lead
wire
resistance
(10 or
less
per wire)
DC current
: 0 to 20mA DC, 4 to 20mA DC, input impedance 50
[Connect 50
shunt resistor (AKT4811, sold separately) between input
terminals 5 and 6]
Allowable input current: 50mA or less
DC
voltage
:
0 to 1V DC
0 to 5V DC, 1 to 5V DC,
0 to 10V DC
Input impedance
1M
or
greater
100k or
greater
Allowable input voltage 5V or less
15V or less
Allowable signal source
resistance
2k or
less
100 or
less
Accuracy (Setting and Indication)
Thermocouple : Within
0.2% of input span
1 digit, or
2
(4 ) whichever is greater
R,
S
input
0
to
200
(0 to 400 ): Within
6
(12 )
B
input
0
to
300
(0 to 600 ): Accuracy is not guaranteed.
K, J, E, N input, less than 0
(32 ): Within
0.4% of input span
1 digit
RTD : Within
0.1% of input span
1 digit, or within
1
(2 ) whichever
is greater
DC voltage : Within
0.2% of input span
1 digit
DC current
: Within
0.2% of input span
1 digit
Input sampling period
: 0.25 seconds
Control
Control action
•
PID action (with auto-tuning function)
o 0
o 0
o 0
o 0
•
PI action: When derivative time is set t
•
PD action (with manual reset function): When integral time is set t
•
P action (with manual reset function): When derivative and integral time are set t
•
ON/OFF action: When proportional band is set t
OUT
proportional
band :
0.0
to
110.0%
(ON/OFF
action
when
set
to 0.0)
Integral time
: 0 to 1000 seconds (Off when set to 0)
Derivative time
: 0 to 300 seconds (Off when set to 0)
OUT proportional cycle : 1 to 120 seconds
ARW
:
0
to
100%
Manual
reset
:
Proportional band converted value
Output limit
: 0 to 100% (DC current output type: –5 to 105%)
(Not available for ON/OFF action)
Hysteresis
: Thermocouple and RTD inputs: 0.1 to 100.0
( )
DC voltage and current inputs: 1 to 1000
(The placement of the decimal point follows the selection)
Control output (OUT)
•
Relay contact: 1a, Control capa it 3A 250V AC (Resistive lo
c y
ad)
1A 250V AC (Inductive load COS ø =0.4)
Содержание KT7
Страница 3: ...contact with the controller...
Страница 15: ......