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C
D
B
A
C
D
B
A
1
2
3
N/C
Power Supply
Attaching screws
1
2
3
N/C
Signal Input
Connector.
5.- GENERAL SPECIFICATIONS
DISPLAY
Type . . . . . . . . . . . . . . . . . . . . 4 or 6 digits, 7 segments, red or green LED.
Height digit . . . . . . . . . . . . . . . 57 (2.3") or 100 mm. (4")
Range . . . . . . . . . . . . . . . . . . . -9999 to 9999 or -999999 to 999999
Polarity . . . . . . . . . . . . . . . . . . Minus only (-)
Decimal point . . . . . . . . . . . . . Programmable position.
INPUT SIGNALS
Selectable by internal jumpers.
TTL level
Input impedance . . . . >12 K
Ω
Logic 1 . . . . . . . . . . . .
≥
2 V = stop bit
Logic 0 . . . . . . . . . . . .
≤
0.8 V = start bit
Maximum input . . . . . +12 to -7 V.
4.- INSTRUMENTS DESCRIPTION
4.1 FRONT DESCRIPTION, MODELS : LDP-124-S and LDP-144-S
A : Overrange indicator.
B : Minus sign.
C : Decimal points.
D : 4 digits, seven segments.
4.2 FRONT DESCRIPTION, SERIES : LDP-126-S and LDP-146-S
A : Overrange indicator.
B : Minus sign.
C : Decimal points.
D : 6 digits, seven segments.
4.3 REAR DESCRIPTION
