User Manual

Page 50
ELR 9000 Series
www.elektroautomatik.de
[e-mail]
EA Elektro-Automatik GmbH
Helmholtzstr. 31-33 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
3.4.4.2 Analog interface specication
Pin Name Type* Description Levels Electrical properties
1 VSEL AI Set voltage value
0…10V or. 0...5 V corre-
spond to 0..100% of U
Nom
Accuracy < 0.2%
Input impedance R
i
>40k...100k
2 CSEL AI Set current value
0…10V or. 0...5 V corre-
spond to 0..100% of I
Nom
3 VREF AO Reference voltage 10V or 5V
Tolerance < 0.2% at I
max
= +5mA
Short-circuit-proof against AGND
4 DGND POT
Ground for all dig-
ital signals
For control and status signals.
5 REMOTE DI
Switching internal /
remote control
Remote = LOW, U
Low
<1V
Internal = HIGH, U
High
>4V
Internal = Open
Voltage range = 0…30V
I
Max
= -1mA bei 5V
U
LOW to HIGH typ.
= 3V
Rec’d sender: Open collector against DGND
6 OT DO
Overheating or
power fail*** alarm
Alarm OT= HIGH, U
High
> 4V
No Alarm OT= LOW, U
Low
<1V
Quasi open collector with pull-up against Vcc **
With 5V output max. ow +1mA
I
Max
= -10mA at U
CE
= 0,3V
U
Max
= 30V
Short-circuit-proof against DGND
7 - - - - -
8 PSEL AI Set power value
0…10V or. 0...5 V corre-
spond to 0..100% von P
Nom
Accuracy < 0.5%
Input impedance R
i
>40k...100k
9 VMON AO Actual voltage
0…10V or. 0...5 V corre-
spond to 0..100% von U
Nom
Accuracy < 0.2% at I
Max
= +2mA
Short-circuit-proof against AGND
10 CMON AO Actual current
0…10V or. 0...5 V corre-
spond to 0..100% von I
Nom
11 AGND POT
Ground for all ana-
log signals
For -SEL, -MON, VREF Signals
12 - - - - -
13 REM-SB DI DC input OFF
Off = LOW, U
Low
<1V
On= HIGH, U
High
>4V
On = Open
Voltage range = 0…30V
I
Max
= +1mA bei 5V
Rec’d sender: Open collector against DGND
14 OVP DO Overvoltage alarm
Alarm OV = HIGH, U
High
> 4V
No alarm OV = LOW, U
Low
<1V
Quasi open collector with pull-up against Vcc **
With 5V output max. ow +1mA
I
Max
= -10mA at U
CE
= 0,3V, U
Max
= 30V
Short-circuit-proof against DGND
15 CV DO
Constant voltage
regulation active
CV = LOW, U
Low
<1V
CC/CP = HIGH, U
High
>4V
* AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, POT = Potential
** Internal Vcc ca. 14,3V
*** Mains blackout, mains over- or undervoltage or PFC error
3.4.4.3 Overview of the Sub-D Socket