ND4 Non-indicating type

– Simple temperature set up
– Proportioning control or ON/OFF control
– Burn out (Output OFF when sensor disconnected)
– Plug in type(simple correcting, checking and exchanging)

· Suffix code

Model	Code						Content
ND4							48(W) X 48(H) ㎜  ※ 8-pin socket type
Control type	F						ON/OFF control (2 position control)
	P						Proportional control
Input		K					K thermocouple
		P					Pt100 Ω
Control output			M				Relay
Control operation				R			Reverse action control (for Heating control)
				D			Direct action control (for Cooling control)
Range code							Standard range code number selection
Terminal structure						T	Terminal type

(Note) Specify the power supply voltage of ND4 separately. 110 V a.c. or 220 V a.c.

· Specification

[ Input ]

thermocouple	K
Thermoresistor	Pt100 Ω(IEC751)
Input impedance	Approx. 1 MΩ(Thermocouple input)
Allowable signal source resistance	Max. 100 Ω (thermocouple input)
Allowable wiring resistance	Resistance thermometer 10 Ω or less. (The resistance between the three lines should be the same)
Allowable input voltage	Within ± 10 V (thermocouple, RTD, DC voltage)
Reference contact compensation error	±2.0 ℃ (0 ~ 50 ℃)

[ Control functions and outputs ]

Control Method	Time Proportional Control, ON/OFF Control(By type code configuration)
Control operation	Reverse action control or Direct action control (By type code configuration)
Setting range	Refer to Standard range code
Proportional Band	3 % of Max. Range (fixed)
Proportional Cycle	Relay Output : 20 sec SSR Output : 2 sec
Input disconnection detection	Output when range is out
Control Output	Relay Output : 250Va.c, 3 A (resistive load) SSR Output : Voltage pulse 12Vd.c. (Resistive Load Min.800 Ω)

[ General Specifications ]

Power supply voltage	110 V a.c. or 220 V a.c. individual
Permissible Voltage Fluctuation Range	Rated Voltage ±10 %
Consumption Power	Max. 3 VA
Insulation Resistance	Min.20 MΩ (500 V d.c.)
Dielectric Strength	2000 V a.c. 50~60 Hz for 1 minute (Between different live parts)
Ambient Temperature	0 ~ 50 ℃
Ambient Humidity	35 ~ 85 % R.H (without condensation)
Storage temperature	-25 ~ 65 ℃
Shock Resistance	300 m/s²
Weight	220g

[ Standard Range ]

Code	Input	Range (℃)
1	Pt	-50 ~ 50
2	Pt	-100 ~ 100
3	Pt	0 ~ 100
5	K, Pt	0 ~ 200
6	K, Pt	0 ~ 300
7	K, Pt	0 ~ 400