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ABF3

P. 5 / 5

EM-2614 Rev.5

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]

 SETTING MANUAL OUTPUT (CAS to MAN mode)

*

1

• Using CAS-MAN Selector (OUT)

1) Hold down OUT button until MAN (red) and MV (red) 

LED turn on (MAN mode).

2)  Press 

▲▼

 buttons until the digital display shows a de-

sired value.

• Switching by remote command (contact)

1)  Short across the terminals 9 – 10.  The MAN (red) and 

MV (red) LED turn on (MAN mode).

2)  Press 

▲▼

 buttons until the digital display shows a de-

sired value.

 CANCELLING MANUAL OUTPUT (MAN to CAS mode)

*

1,

*

2

• If you have set MAN mode by using CAS-MAN Selector 
(OUT)

1)  Hold down OUT button until CAS (red) and PV*

3

 (red) 

LED turn on (CAS mode).

• If you have set MAN mode by remote command (contact)

1)  Open  across  the  terminals  9  –  10.   The  CAS  (red)  and 

PV*

3

 (red) LED turn on (CAS mode).

 MANUAL OPERATION RAMP RATE

*

1,

*

4

Setting response time required for the output goes from 0% 
to 100% with 

▲▼

 buttons in MAN mode.  Selectable from 

1 to 30 seconds in 1 sec. increments. (Factory set to 15 sec.)
1)  Press IND button until the green light turns on the PV 

LED.

2)  Press 

▲▼

 buttons until the digital display shows a de-

sired value.

 RETROACTIVE TIME PERIOD

*

1

The ABF3 continuously stores the MV output during CAS 

control.  When the loop has been turned to MAN control 

(contact closure at the terminals 9 – 10), it goes back by the 
preset time period and holds the output.  For example, with 
the value set to 10 seconds, the ABF3 outputs the MV value 

10 seconds before the contact has been closed.

Selectable from 0 to 30 seconds in 1 sec. increments. (Fac

-

tory set to 0 sec.)

1)  Press IND button until the green light turns on the CAS 

LED.

2)  Press 

▲▼

 buttons until the digital display shows a de-

sired value.

 TRANSITION RAMP RATE

If the CAS control value at the moment of switching from 
MAN to CAS mode is greatly deviated from the MV out-

put value in MAN control, the ABF3 adjusts the difference 
gradually  in  the  preset  ramp  rate.    Receiving  MAN  com

-

mand  during  transition  ramp  period,  the  ABF3  turns  to 

MAN mode after transition ramp function is completed.
The ramp rate is set as time required for the output goes 
from 0% to 100%.

Selectable from 0 to 30 seconds in 1 sec. increments. (Fac

-

tory set to 1 sec.)

1)  Press IND button until the green light turns on the MV 

LED.

2)  Press 

▲▼

 buttons until the digital display shows a de-

sired value.

*1. OUT Switch cannot be controlled when PV, CAS, MV or 

MODE LED shows green.

*2. Setting and cancelling MAN Mode must be executed us-

ing the same method.

 

If you have set MAN Mode by using OUT Switch, you 
cannot cancel it by the remote command.

*3. The LED light returns to the state prior to the moment 

of switching from CAS to MAN when the MAN mode is 
cancelled.

*4. Add 0.3 second for the total time required to go from 0% 

to 100%.

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