Detect Relay
Model 2400 Series

Analog Instrument
Detect Relay

■ Suitable for overload protection and abnormal detection of motor.
■ Max. 20 signals can be obtained for just 1 signal input.
■ Two types of setting are available : Digital type and screw type

Note: Auxiliary unit 2422 is used together with the main unit 2411 or 2421. It can not be connected to some of AC input models. .

Product Name	1ch Main Unit	2ch Main Unit	2ch Auxiliary Alarm Output Unit
Model Configuration	2411	2421	2422

①Setting Method

Code	2411	2421	2422
D	Digital switch setting
S	Screw driver setting

② Setting Method

Code	2411	2421	2422
1	Digital switch setting		HL Setting, relay contact output
2	L Setting, relay contact output		HH Setting, relay contact output
3	H Setting, open collector output		LL Setting, relay contact output
4	L Setting, open collector output		HL Setting, open collector output
5	-		HH Setting, open collector output
6	-		HH Setting, open collector output

③ Input Signals

Code	2411		2421	2422
--	DC Signal			Note: 2422 is the auxiliary unit, so it accepts no input signal and no specification of ③ is required.
02	DC 0 to 100 mV
03	DC 0 to 1 V
04	DC 0 to 5 V
05	DC 0 to 10 V
09	DC 1 to 5 V
00	Other DC voltage input (60 mV≦00 ≦300 V)
22	DC 0 to 100 μA
23	DC 0 to 1 mA
24	DC 0 to 5 mA
25	DC 0 to 10 mA
29	DC 4 to 20 mA
20	Other DC current input (100 μA≦20 ≦1 A)
-	AC signal (Effective value rectification type)
44	AC 0 to 150 V rms
46	AC 0 to 300 V rms
40	(100 mV≦40≦300 V)
53	AC 0 to 1 A rms
54	AC 0 to 5 A rms
50	(100 mA≦50≦5 A)
-	AC signal (Rectification type)
73	AC 0 to 1 A	※Half wave peak detection system
74	AC 0 to 5 A
70	(100 mA≦70 ≦5 A)

※Connection with 2422, 2ch Auxiliary Alarm Output Unit,is not possible.
④Hysteresis

Code	Specifications
H0	Less than 0.5 % , standard
H1	approx. 1 %
H2	approx. 2 %
H3	approx. 3 %
H4	approx. 4 %
H5	approx. 5 %

⑤Action Delay

Code	Specifications
T0	No delay, standard
T1	approx. 1 s
T2	approx. 2 s
T3	approx. 3 s
T4	approx. 4 s
T5	approx. 5 s

⑥Power Supply Voltage

Code	Specifications
A	AC 85 to 250 V 50/60 Hz
9	DC 20 to 30 V
C	DC 90 to 170 V

Note: Specifications of ④Hysteresis, ⑤Power
On Delay and ⑥Power Supply Voltage are common for 2411, 2421 and 2422.

Specifications

Specification / Model			2411D/2411S	2421D/2421S	2422D/2422S
D : Digital switch setting S : Screw driver setting
Dimension (W x H x D mm) excl .Base socket			28.5 × 72 × 115
Input	DC current / voltage(Moving coil)		●	●	-
	Process		●	●	-
	AC current / voltage		●	-	-
Output	Nos. of Alarm	1point	●	-	-
		2points	-	●	●
	Accuracy	Setting (exclude pot.setting)	within ± 0.5 % of Max.value
		Repeatability	within ± 0.1 %
	Output	Relay	●	●	●
		Open collector	○	○	○
	Setting style	Thumb	●	●	●
		Potentiometer	●	●	●
	Alarm type (H/L)	H or L fixed	●	●	●
	Rating	Relay	250 V, 0.5 A a.c., 30 V, 2 A d.c.
		Open collector	50 V, 100 mA　d.c.
	Response		DC input : less than 100 ms AC input : less than 500 ms(r.m.s.), less than 200 ms(average)

Function	Hysteresis	○	○	○
	Output delay	○	○	○
	Power on delay	●	●	●
Operating temperature		0-50°C
Operating humidity		30 - 90%RH (no condensation)
AC power supply		85 – 264 V a.c.
DC power supply		20 – 30 V d.c., 90 – 170 V d.c.
Weight		approx. 170 g

Operation Manual