L-Card L-502-P-G-D-I, Руководство пользователя

Страница: 35 / 73

35
4.2: L-502 connectors description.
Signal name Comm
on
point
5
Direc-
tion
Description
programmatically.
DAC1
/ +15 V
/ AGND
/ not
connected
(see
section
2.1.2
)
AGND Output For modifications, the L-502-
░
-
░
-D can be configured with a jumper
as the output of the 1st DAC channel (voltage output in the range -5 ...
+ 5 V).
For any modifications, the L-502 can be configured with a jumper as +
15V output of an external device, or as an additional AGND contact, or
as an unconnected pin contact.
(see
section 2.1.2
)
DAC2
/ -15 V
/ DGND
/ not
connected
(see
section
2.1.2
)
AGND Output For modifications, the L-502-
░
-
░
-D can be configured with a jumper
as the output of the 2nd DAC channel (voltage output in the range -5 ...
+ 5 V).
For any modifications, the L-502 can be configured with a jumper as
an -15V output of an external device or as an additional DGND
contact, or as an unplugged connector pin
(see
section 2.1.2
)
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 "common ground" mode, it is
recommended to connect to the AGND on the signal source side.
•
Operation voltage range ±1 V
( see the details in section
4.4
p.
44
)
.
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
4.3
, on p.
42.