Thank you very much for using Panasonic products. Please read this
Instruction Manual carefully and thoroughly for the correct and opti-
mum use of this product. Kindly keep this manual in a convenient
place for quick reference.
OUTLINE
1
●
This product detects double feeds of metal sheets, lead frames, etc.
The sensitivity is easily set by teaching with actual samples.
●
●
●
Never use this product as a sensing device for personnel protection.
In case of using sensing devices for personnel protection, use products which meet laws and standards, such as
OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country.
Make sure to use the sensor heads and controllers in the specified combinations. If they are used in any other com-
bination, the sensor heads may get damaged.
WARNING
FUNCTIONAL DESCRIPTION
2
POWER
ALM.
OUT-1
OUT-2
PANEL
EXT.
RS232C
NORM.
OFD.
RUN
SET
0-ADJ.
SET-2
SENS.
CH-SELECT
TIMER
SET-MODE
SET-1
CH
①
②
③
④
⑤
⑥
⑦
⑮
⑭ ⑬ ⑫
⑪
⑧
⑨
⑩
⑦
⑧
・
・
Lights up when OUT-2 is OFF.
Blinks twice on completion of zero adjustment (0-ADJ.) or
SET-2 setting in SET mode.
Sensing level indicator
(Yellow
×
1, Green
×
6)
・
・
・
Seven LEDs show the sensing level.
LEDs light up one after the other during teaching.
All LEDs blink at the same time if the teaching fails.
・
More the number, thicker or larger the object sheets are,
more are the LEDs which light up.
Description
Function
・
Sets the two-sheet threshold level (larger number of sheets).
・
Sets the one-sheet threshold level (smaller number of sheets).
・
Calibrates zero level under sheet non-existing condition.
Channel display
⑨
⑩
・
The channel can be selected by the channel shift key when
CH-SELECT is set at PANEL.
・
Switches between RUN mode and SET mode.
□
RUN: Detection takes place.
□
SET: Set-up is done.
・
Switches timer mode.
□
NORM. mode: Timer not used.
□
OFD. mode: Delay timer (50ms approx.) used.
Channel shift key
⑪
SET-2 key
⑫
SET-1 key
⑬
Zero adjustment (0-ADJ.) key
⑭
SET-MODE key
⑮
TIMER key
・
Shows the present channel (1 to 8).
・
・
Blinks during SET mode.
The decimal point informs whether the set level data has
been stored.
・
・
When an error occurs, the display indicates the error code.
Refer to '
●
Self-diagnosis (Alarm) function
' in '
EX-
PLANATION OF FUNCTIONS
'.
6
Decimal point
Lights up
Turns off
Stored
Not stored
Description
Function
－
Panel cover
①
Power indicator (Green)
②
Sensing mode indicator
(Green, Yellow)
⑤
⑥
Channel select key
(CH-SELECT)
③
Self-diagnosis indicator
(Red)
・
Lights up when the power is ON.
④
・
SET mode: Lights up under normal condition.
RUN mode: Lights up on error.
・
・
Lights up when OUT-1 is OFF.
Blinks twice on completion of zero adjustment (0-ADJ.) or
SET-1 setting in SET mode.
Comparative output-1
(OUT-1) indicator (Green)
・
・
Specifies whether channel selection is by panel operation,
by external channel select inputs, or through RS-232C com-
munication.
□
PANEL: Selection is by channel select key.
□
LOCK: Locks channel selection. In case of
GD-C2
, this is
also the setting for channel selection by external
device through RS-232C.
□
EXT.: Selection is by external channel select inputs.
The table below gives the key and external input operation
for each channel selection method.
GD-C2
:
RS-232C
○
: Operable
Panel keys
External inputs
Operation
RUN / SET selection
Mode
PANEL
LOCK
(RS-232C)
EXT.
○
(Note)
○
(Note)
○
(Note)
Timer mode selection
○
○
○
SET-1
○
○
○
SET-2
○
○
○
0-ADJ.
○
○
○
RUN / SET
○
○
○
SET-1
○
○
○
SET-2
○
○
○
IN-0
○
IN-1
○
IN-2
○
Channel shift
○
Note: The RUN / SET selection with the SET-MODE key on
the panel is effective only when the RUN / SET selec-
tion input is High (RUN mode).
・
・
Indicates the sensing mode.
Refer to '
●
Sensing Mode
' in '
EXPLANATION OF
FUNCTIONS
'.
・
・
Lights up green: Normal sensing mode
Lights up yellow: Precise sensing mode
6
Comparative output-2
(OUT-2) indicator (Red)
MJE-GD(03) No.0030-70V
INSTRUCTION MANUAL
Metal-sheet Double-feed Detector
GD
Series
