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AS4T

P. 4 / 4

EM-1608 Rev.9

MAINTENANCE

Regular calibration procedure is explained below:

 CALIBRATION

Warm up the unit for at least 10 minutes.

• H (HH) Setpoint

Increase the input signal from a value lower than the set-

point and check that the relay trips at the H (or HH) set

-

point within the setpoint accuracy described in the data 
sheet.

• L (LL) Setpoint

Decrease the input signal from a value higher than the set

-

point and check that the relay trips at the L (or LL) setpoint 
within the setpoint accuracy described in the data sheet.

When the setpoints are shifted, please contact M-System’s 

Sales Office or representatives.

LIGHTNING SURGE PROTECTION

In order to protect the unit from lightning surges entering 
through power supply cables, use of appropriate lightning 
surge protectors are recommended.  Please contact M-Sys-
tem.

EXTERNAL DIMENSIONS

  unit: mm (inch)

80 (3.15)

50 (1.97)

103 (4.06)

132 (5.20)

20 (.79)

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

5

6

7

8

2

1

11

10

[3.3 (.13)]

80 (3.15)

35.4 (1.39)

40 (1.57)

50 (1.97)

7.8 (.31)

CLAMP

(top & bottom)

DIN RAIL

35mm wide

2–4.5 (.18) dia.

MTG HOLE

25 (.98) deep

11–M3.5

SCREW

3

9

4

M-SYSTEM WARRANTY

M-System warrants such new M-System product which it manufactures to be free from defects in materials and workmanship during the 36-month period following the date that such 
product was originally purchased if such product has been used under normal operating conditions and properly maintained, M-System’s sole liability, and purchaser’s exclusive 
remedies, under this warranty are, at M-System’s option, the repair, replacement or refund of the purchase price of any M-System product which is defective under the terms of this 
warranty.  To submit a claim under this warranty, the purchaser must return, at its expense, the defective M-System product to the below address together with a copy of its original 
sales invoice.
THIS IS THE ONLY WARRANTY APPLICABLE TO M-SYSTEM PRODUCT AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED 
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  M-SYSTEM SHALL HAVE NO LIABILITY FOR CONSEQUENTIAL, INCIDENTAL OR 
SPECIAL DAMAGES OF ANY KIND WHATSOEVER.
M-System Co., Ltd., 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN, Phone: (06) 6659-8201, Fax: (06) 6659-8510, E-mail: [email protected]

 TERMINAL ASSIGNMENTS

7

8

2

1

11

10

3

9

7 (.28)

CJC SENSOR

(model: CJM)

5

4

6

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