MODEL: APTA

APTA SPECIFICATIONS

ES-2138 Rev.7 Page 3/4

http://www.m-system.co.jp/

EXTERNAL VIEW

No.1 LED

No.1 Deadband (Hysteresis) Adj.

No.2 Deadband (Hysteresis) Adj.

No.2 LED

No.1 Setpoint Adj.

No.2 Setpoint Adj.

Zero Adj.

Span Adj.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

50 (1.97)

103 (4.06)

132 (5.20)

• When mounting, no extra space is needed between units.

5

6

7

8

2

1

11

10

[3.3 (.13)]

40 (1.57)

50 (1.97)

7.8 (.31)

CLAMP

(top & bottom)

DIN RAIL

35mm wide

MTG HOLE

25 (.98) deep

SCREW

3

9

4

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

*

*

Base Socket

Comparator

*Relay status for output codes “1” & “4”, at power OFF.

LOAD

Inductive

Load (Coil)

Varistor or Spark

Quenching Circuit

■ Relay Protection

• AC Powered

• DC Powered

LOAD

Inductive

Load (Coil)

Diode, Varistor or

CR Circuit

Average

Operation

4

V

U

v

u

FUSE

VT

LOAD

SOURCE

5

6

U(+)

V(–)

POWER

7

8

Comparator

Ry

Ry

SETPOINT

HYSTERESIS

(DEADBAND)

SETPOINT

HYSTERESIS

(DEADBAND)

H

L

C

SETPOINT 1

OUTPUT

H

L

C

SETPOINT 2

OUTPUT

INPUT

TRANS-

FORMER

Low Drift

Amplifier

Resistance

Divider

S

Z

U

10

11

9

2

3

1