Datasheet

Crameda Intersys AG CC-DS-E-0011
Pumpwerkstrasse 23 Seite : 9
CH-8105 Regensdorf · Schweiz http://www.crameda.com
Type 816
! Sign and overflow display
! Height of character 16 mm
! Memory
! BCD-Input
! 24 V supply voltage
! Depth when mounted 64 mm
Circuit diagram
This module is used to display sign and overflow (±1). It is
controlled with the BCD code in positive logic. The signal and
supply voltage is +24 V. A control signal (input EL) makes it
possible to freeze the display without affecting incoming BCD
signals.
Technical data
Character height 16 mm
Supply voltage VCC 12...30 V
Supply current I
CC
with VCC = 12 V typ. 30 mA
= 24 V typ. 18 mA
= 30 V typ. 16 mA
Signal voltage 10...30 V
Limit frequency with VCC = 12 V ≤ 20 kHz
= 24 V ≤ 950 kHz
= 30 V ≤ 550 kHz
Depth behind panel 64 mm
Input data
All inputs are connected to ground ØV.
U
in
«0» min. -3.5 V
or open to max. +2 V
U
in
«1» 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
Truth table
Inputs Outputs
LT BI
C
2
2
B
2
1
A
2
0
EL Display
1 1 0 0 0 0 +1
1 1 0 0 1 0 -
1 1 0 1 0 0 1
1 1 0 1 1 0 -1
1 1 1 0 0 0 +
1 1 1 0 1 0 +1
1 1 1 1 0 0 +1
1 1 1 1 1 0 -
0 1 x x x x + 1 (Test)
1 0 x x x x none
1 1 x x x 1 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
816, 24 V 816-057-21