Datasheet

Crameda Intersys AG CC-DS-E-0011
Pumpwerkstrasse 23 Seite : 8
CH-8105 Regensdorf · Schweiz http://www.crameda.com
Type 815
! 7-segment display
! Height of character 16 mm
! Memory
! BCD-Input
! Signal level adaptation
! 24 V supply voltage
! Depth when mounted 64 mm
! CE-konform
Circuit diagram
In this module, the display is controlled with the BCD code in
positive logic. The signal
Technical data
Character height 16 mm
Supply voltage V
CC
12-30 V
Supply current I
CC
with V
CC
= 12 V typ. 61 mA
= 24 V typ. 36 mA
= 30 V typ. 30 mA
Signal voltage 10-30 V
Limit frequency with V
CC
= 12 V ≤ 20 kHz
= 24 V ≤ 50 kHz
= 30 V ≤ 50 kHz
Depth behind panel 64 mm
Input data
All inputs are connected to ground
ø
V.
Input voltage all inputs
U
in
«0» min. -3.5 V
or open to max. +2 V
U
in
«l» min. +10 V
max. +30 V
Input currents all inputs
l
in
«0» with U
in
= -3.5 V max. -0.3 mA
U
in
= +2 V max. +0.2 mA
l
in
«1» with U
in
= +10 V max. 1.5 mA
U
in
= +30 V max. 3 mA
DP (Decimal point): The decimal point must be controlled
externally. The module features an
integral current limiting resistor and a
protective diode.
«DP» on «0» Decimal point off
«DP» on «1» Decimal point on
(+24 V) or open
Truth table
Inputs Outputs
LT BI EL
D
2
3
C
2
2
B
2
1
A
2
0
Display
1 1 0 0 0 0 0 0
1 1 0 0 0 0 1 1
1 1 0 0 0 1 0 2
1 1 0 0 0 1 1 3
1 1 0 0 1 0 0 4
1 1 0 0 1 0 1 5
1 1 0 0 1 1 0 6
1 1 0 0 1 1 1 7
1 1 0 1 0 0 0 8
1 1 0 1 0 0 1 9
0 1 x x x x x 8 (Test)
1 0 x x x x x none
1 1 1 x x x x stored*
x = «0» or «1»
* Controlled by applied BCD code during the leading edge
of the «EL» instruction signal.
Supply current in relation to supply voltage
Type VDC Ordering code
815, 24 V 815-057-21