L-Card E20-10, Руководство пользователя

Страница: 45 / 67

6.4. Characteristics of signal line inputs and outputs
Attention! : Prior to connect E20-10 module to your system, it is required to strictly observe
the parameters specified in tables of this section.
The manufacturer shall not be liable for E20-10 failure caused by violation of
maximum permissible operation conditions .
The following symbols are given in tables of this section:
AI - analog input
DI – digital input
DOZ - Z-state transferability digital output
DIO - digital I-O
AIO - analog I-O
6.4.1. Operating mode
Module E20-10 has the following input and output signal line characteristics.
Table 6-3. Characteristics of signal lines inputs and outputs, operating mode
Signal Typ
e
Input resistance Maximum
permissible
conditions at
input
Maximum
permissible
conditions at
output
Pull-up resistor
Inputs
of
channels AI min. 5 MOhm
(rev. А)
10 MOhm (rev.
±10 V
DAC
channel
outputs AO Output short circuit
may occur against
AGND
INT,
DI1...
DI15 DI 4.7 kOhm -0.2V...+5.2V
relative to
GND 4.7 kOhm
relative to +5V
DI16/
START DIO 4.7 kOhm if
configured for
input -0.2V...+5.2V
relative to
GND 4.7 kOhm
relative to +5V
DO1...
DO16 DO
Z — — ±20 mA —
SYNС
DIO Min. 100 kOhm
if configured for
input -0.2...+5.2 V
relative to
GND ±20 mA if
configured for
output
Attention : It is not recommended to unload E20-10 more than 0,7...1 W total power on all output
circuits E20-10 .