L-Card ADC Series, Руководство пользователя

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Signal name Commo
n point
4
Direction Description
DAC1
/ +15 V
/ AGND
/ NC
(see
section
2.2.1
)
AGND Output For modifications, E-502-
░
-
░
-D can be configured with a jumper as
the output of the 1st channel of the DAC (voltage output in the
range -5 ... + 5 V).
For any modifications, the E-502 can be configured with a jumper as +
15V output of an external device, or as an additional AGND contact, or
as an unconnected contact of the connector (NC).
(see
section 2.2.1
)
DAC2
/ -15 V
/ DGND
/ NC
(see
section
2.2.1
)
AGND Output For modifications, E-502-
░
-
░
-D can be configured with a jumper as
the output of the 2nd channel of the DAC (voltage output in the
range -5 ...+ 5 V).
For any modifications, the E-502 can be configured with a jumper as -
15V output of an external device, or as an additional AGND contact, or
as an unconnected contact of the connector (NC).
(see
section 2.2.1
)
AGND — — Analog ground
GND32 AGND Input
•
In the "with common ground" mode: common inverting channel input
1 ... 32.
•
For all modes must be connected to AGND (in differential mode - to
increase noise immunity). In the
"with common ground" mode, the
connection to AGND is recommended to do on the signal source side.
•
Operation voltage range ±1 V
( see the details in section
4.6
p.
41
)
.
DI_SYN1 DGND Input Synchronization input 1, which can also act as an additional input to
the digital input.
Compatible with the output logic level of TTL/CMOS- cells with a
supply voltage of +2.5 V to +5 V. The input has an extended range of
maximum permissible voltages (± 10 V relative to GND).
The minimum rate of rise of the signal drop at the input DI_SYN1 is
not specified, since there is a Schmitt trigger on this input.
There is a software option to turn the 1k pull-up resistor to a high logic
level at this input.
The DI_SYN1 input does not bypass the external TTL source, even
when the power is off.
Notes to
table 4-1
:
•
The maximum permissible voltages and currents at the contacts of the connectors are indicated in section
4.5
, on p.
40.