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EA Elektro-Automatik GmbH
Helmholtzstr. 31-37 • 41747 Viersen
Germany
Fon: +49 2162 / 3785-0
Fax: +49 2162 / 16230
www.elektroautomatik.de
PSB 9000 3U Series
3.6.4.3
Acknowledging device alarms
In case of a device alarm occurring during remote control via analog interface, the DC terminal will be switched
off the same way as in manual control. The device would indicate an alarm (see
) in the front display and, if
activated, acoustically and also signal most of them on the analog interface. Which alarms actually are signalled
can be set up in the device configuration menu (see
„3.5.3.1. Menu “General Settings”“
).
Some device alarms (OVP, OCP and OPP) have to be acknowledged. Also see
„3.7.2. Device alarm and event
Acknowledgement is done with pin REM-SB switching the DC terminal off and on again, means a HIGH-
LOW-HIGH edge (min. 50ms for LOW), when using the default level setting for this pin.
There is an
exception
: the SOVP (Safety OVP) alarm, which is only featured with the 60 V models of this series.
It can’t be acknowledged and requires to power-cycle the device. It can be monitored via the analog interface and
would be indicated by the alarms PF and OVP being signaled at the same time, so it would require to select the
alarm indication on pin 6 to at least signal PF and for pin 14 to signal OVP in any of the combinations.
3.6.4.4
Analog interface specification
Pin Name
Type* Description
Default levels
Electrical specifications
1 VSEL
AI Voltage set value
0…10 V or. 0...5 V correspond
to 0..100% of U
Nom
Accuracy 0-5 V range: < 0.4% *****
Accuracy 0-10 V range: < 0.2% *****
Input impedance R
i
>40 k...100 k
2 CSEL
AI Current set value
(source & sink)
0…10 V or. 0...5 V correspond
to 0..100% of I
Nom
3 VREF
AO Reference voltage 10 V or 5 V
Tolerance < 0.2% at I
max
= +5 mA
Short-circuit-proof against AGND
4 DGND
POT Ground for all
digital signals
For control and status signals.
5 REMOTE
DI Switching internal /
remote control
Remote = LOW, U
Low
<1 V
Internal = HIGH, U
High
>4 V
Internal = Open
Voltage range = 0…30 V
I
Max
= -1 mA bei 5 V
U
LOW to HIGH typ.
= 3 V
Rec’d sender: Open collector against DGND
6 ALARMS 1 DO Overheating /
power fail alarm
Alarm OT= HIGH, U
High
> 4 V
No Alarm OT= LOW, U
Low
<1 V
Quasi open collector with pull-up against Vcc **
With 5 V on the pin max. flow +1 mA
I
Max
= -10 mA at U
CE
= 0,3 V
U
Max
= 30 V
Short-circuit-proof against DGND
7 RSEL
AI Resistance value
(source & sink)
0…10 V or. 0...5 V correspond
to R
Min
...R
Max
Accuracy 0-5 V range: < 0.4% *****
Accuracy 0-10 V range: < 0.2% *****
Input impedance R
i
>40 k...100 k
8 PSEL
AI Power set value
(source & sink)
0…10 V or. 0...5 V correspond
to 0..100% von P
Nom
9 VMON
AO Actual voltage
0…10 V or. 0...5 V correspond
to 0..100% von U
Nom
Accuracy 0-5 V range: < 0.4% *****
Accuracy 0-10 V range: < 0.2% *****
I
Max
= +2 mA
Short-circuit-proof against AGND
10 CMON
AO Actual current
0…10 V or. 0...5 V correspond
to 0..100% von I
Nom
11 AGND
POT Ground for all
analog signals
For -SEL, -MON, VREF Signals
12 R-ACTIVE
DI
R mode on / off
On = LOW, U
Low
<1 V
Off = HIGH, U
High
>4 V
Off = Open
Voltage range = 0…30 V
I
Max
= -1 mA bei 5 V
U
LOW to HIGH typ.
= 3 V
Rec’d sender: Open collector against DGND
13 REM-SB
DI
DC terminal OFF
(DC terminal ON)
(ACK alarms ****)
Off = LOW, U
Low
<1 V
On= HIGH, U
High
>4 V
On = Open
Voltage range = 0…30 V
I
Max
= +1 mA at 5 V
Rec’d sender: Open collector against DGND
14 ALARMS 2 DO
Overvoltage alarm
Overcurrent alarm
Overpower alarm
Alarm = HIGH, U
High
> 4 V
No alarm = LOW, U
Low
<1 V
Quasi open collector with pull-up against Vcc **
With 5 V on the pin max. flow +1 mA
I
Max
= -10 mA at U
CE
= 0,3 V, U
Max
= 30 V
Short-circuit-proof against DGND
15 STATUS*** DO
Constant voltage
regulation active
CV = LOW, U
Low
<1 V
CC/CP/CR = HIGH, U
High
>4 V
DC terminal
On = LOW, U
Low
<1 V
Off = HIGH, U
High
>4 V
* AI = Analog Input, AO = Analog Output, DI = Digital Input, DO = Digital Output, POT = Potential
** Internal Vcc approx. 10 V
*** Only one of both signals possible, see section
**** Only during remote control
***** The error of a set value input adds to the general error of the related value on the DC terminal of the device