Fema Electronica BDF-24-S Series, Руководство оператора, Страница: 6 / 25

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C D
B
A
C D
B
A
1
2
3
N/C
Power Supply
Fixation 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 : BDF-24-S and BDF-44-S
A : Overrange indicator.
B : Minus sign.
C : Decimal points.
D : 4 digits, seven segments.
4.2 FRONT DESCRIPTION, SERIES : BDF-26-S and BDF-46-S
A : Overrange indicator.
B : Minus sign.
C : Decimal points.
D : 6 digits, seven segments.
4.3 REAR DESCRIPTION