General description
The OPT-1020 and OPT-1120 daughter boards provide the analog input signal
isolation for the DAQ cards.
OPT-1020
bandwidth 20kHz, isolation voltage 2.5 kV, screw terminals
OPT-1020B
bandwidth 20kHz, isolation voltage 2.5 kV, BNC connector
OPT-1120
bandwidth 120kHz, isolation voltage 1.5 kV, screw terminals
OPT-1120B
bandwidth 120kHz, isolation voltage 1.5 kV, BNC connector
If the DAQ card provides the 12V power supply voltages, the OPT-1020/1120 board
can be powered from the card; if not, external power supply must be used.
One OPT-1x20 board can be connected to the DAQ card using the CAB-2604C flat
cable and CAB-2511/2 shielded cable. If multiple OPT-1x20 boards are used, an
interconnection cables CAB-1004C and CAB-2604C (up to four boards), or
CAB-1008C and CAB-2608C (up to eight boards) are required (not included).
Entire set of boards can be connected to the DAQ cards via CAB-2511/2. Please pay
attention to the maximum current capacity of the DAQ cards power supply output,
for higher number of OPT-1x20 boards it is necessary to use external power supply.
General instructions for use
The OPT-1x20 boards is designed for DAQ&C applications and may be used only
according to the manufacturer's recommendations and precautions given in this
manual and other general standards and terms and may be used only such a way,
that its failure caused by any reason will not be dangerous to any person or property.
Installation
The OPT-1x20 boards is supplied as an unencapsulated kit intended for fastening
via three screws.
The board can be used in an environment with operating temperature -10~60 °C and
relative humidity up to 90%, noncondensing and normal levels of pollution.
Specifications
Input voltage (for processing):
Overvoltage protection:
Input impedance:
Selectable gain:
Bandwidth (-3 dB, signal 7 V
):
AC
Nonlinearity:
Isolation voltage (see note below):
Power supply:
Recommended cable length:
Dimensions of board:
Mounting hole spacing:
Mounting hole diameter:
Note:
"AC" indicates the rms value of a 50 Hz AC harmonic signal.
±11 V max.
±24 V
1 MOhm
(±1 %)
1x, 10x
(via on-board jumper)
0÷20 kHz typ.
(all OPT-1020 version)
0÷120 kHz typ.
(all OPT-1120 version)
±0,05% max.
(±0,025 typ.)
2.5 kV
/ 3.5 kV
(OPT-1020H only)
AC
DC
1.5 kV
/ 2 kV
(all other version)
AC
DC
+10.8~12.6 V
(240 mA max.)
DC
2 m max.
102 x 49 mm
94 x 42 mm
3.5 mm
JP3/JP4
J1
JP1
J4
pin 1
+IN
-IN
gain 1x
gain 10x
Configuration jumpers
JP1
jumper for input range configuration, resp. gain of input amplifier
JP2
jumper for configuration of OPT-1x20 output signal routing to the DAQ card
input (only one OPT-1x20 board can be connected to the card input)
JP3/4
jumpers for selecting of power supply (see picture above)
P1
potentiometer for precise gain adjustment
P2
potentiometer for precise offset adjustment
Pin assigment of connector PFL26 (J3), resp. cable CAB-2511 to the DAQ card
PFL26
D-Sub 25 signal
1
- - -
AGND
3
25
AIN0
5
24
AIN1
7
23
AIN2
9
22
AIN3
11
21
AIN4
13
20
AIN5
15
19
AIN6
17
18
AIN7
19
17
- - -
21
16
- - -
23
15
GND (power supply) 24
25
14
+12V (from card)
Pin assigment of connector PFL10 (J4)
PFL10
signal
1, 2, 3, 4
power supply 12V (+5%, -10%), positive signal
5, 6
unused
7, 8, 9, 10
power supply 12V (+5%, -10%), negative signal
Jumpers JP3/JP4 must be removed before connecting an external power supply.
power supply from DAQ card
P2
P1
power supply from an external
source via J4 connector
JP2
J3
pin 1
AIN7 . . . . AIN0
DAQ card input selection
PFL26
D-Sub 25 signal
2
13
AGND
4
12
AGND
6
11
AGND
8
10
AGND
10
9
AGND
12
8
AGND
14
7
AGND
16
6
AGND
18
5
AGND
20
4
- - -
22
3
- - -
2
GND (power supply)
26
1
reserved
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