User manual

44
EN
Instruction Manual
EL 9000 HP Series
Date: 10-31-2011
8.4 Pinassignmentoftheanalogueinterface
Remote control
Pin Name Type² Description Level Electrical specifications
1 VSEL AI Set value for voltage 0…10V, corresponds to 0..100% of U
Nom
Accuracy typically 0.1%
2 CSEL AI Set value for current 0…10V, corresponds to 0..100% of I
Nom
Input impedance Ri > 40k…100K
3 PSEL AI Set value for power 0…10V, corresponds to 0..100% of P
Nom
4 RSEL AI Set value for resistance 0…10V, corresponds to 0..100% of R
Nom
5 AGND POT Reference potential for analogue
signals
For VSEL, CSEL, PSEL, RSEL, VMON, CMON,
PMON and VREF
6 DGND POT Reference potential for digital signals For control and error signals
DI Selection internel / external External = LOW (U
Low
<1V) U range = 0 …30V
Internal = HIGH (U
High
> 4V) or open I
Max
= -1mA at 5V
DI Load input on/off OFF = LOW (U
Low
<1V) U
Low to High typ.
= 3V
ON = HIGH (U
High
> 4V) or open Sender: open collector against DGND
9 VMON AO Actual value of voltage 0…10V correspond to 0..100% of U
Nom
Accuracy typically 0.1% at I
Max
= +2mA
10 CMON AO Istwert Strom 0…10V correspond to 0..100% of I
Nom
Short-circuit-proof against AGND
AO Accuracy typically 0.1% at I
Max
= +5mA
Short-circuit-proof against AGND
DI
Selection R=on / R=off
1
R regulation = off = LOW (U
Low
<1V) U range = 0 …30V
R regulation = on = HIGH (U
High
> 4V) or open I
Max
= -1mA at 5V
DI
Select resistance range
4
R
Max
= resistance range 2 = LOW (U
Low
<1V) U
Low to High typ.
= 3V
R
Max
= resistance range 1 = HIGH (U
High
> 4V)
or open
Sender: open collector against DGND
DI
Trigger input
3
triggers A->B = LOW (U
Low
< 1V)
triggers B->A = HIGH (U
High
>4V) or open
DO Overtemperature/Overvoltage OT or OVP = HIGH (U
High
> 4V) Quasi open collector with pull-up against +15V
no OT or OVP = LOW (U
Low
< 1V) At 15V at this output there will be max. +1.5mA
Short-circuit-proof against DGND
Receiver: U
Low
<1V, U
High
> 4V
²: Note: positive currents flow out of the analogue interface and negative currents flow into.
AI = Analogue input
DI = Digital input
DO = Digital output ³ only for Level A/B operation, requires to be enabled in the setup menu
AO = Analogue output
4
see technical specs
1
requires a resistance set value at RSEL
14 Trigger In
15 OT / OVP
12 R-active
13 R-Range
11 VREF Reference voltage 10V
7 Remote
8 Rem-SB
Externalcontrolwithcurrentonly
Like in the example above, but only current adjustable.
The power is set to maximum.
VREF
AGND
CSEL
10k
DGND
Figure 21