Elmo 1/100, Руководство по установке

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Gold Twitter Installation Guide
MAN-G-TWI (Ver. 2.000)
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62
Table of Contents
10.4.2. Digital Outputs
There are two types of Digital outputs:
•
Out1 and Out2 5V Logic
•
Out3 and Out4 3.3V Logic
The following table describes the electrical specification of the outputs OUT1 and OUT2:
Feature Details
Type of output 5V Logic
Output Configuration
V
OL
max of TTL Buffer (low level) V
out
(Low) ≤ 0.44V @ 8mA
V
OH
min of TTL Buffer (High level) V
out
(High) >4.4V @ 8mA
Output current
𝐼𝐼
𝑜𝑜𝑜𝑜𝑜𝑜
(
max
)
=
5 𝑉𝑉
500 𝛺𝛺 + 𝑅𝑅
𝐿𝐿 ( external
)
Where:
𝑉𝑉
𝑅𝑅
𝐿𝐿 ( 𝐻𝐻𝐻𝐻𝐻𝐻ℎ )
= 5 𝑉𝑉 − 500 ∗ 𝐼𝐼
𝑜𝑜𝑜𝑜𝑜𝑜
(
max
)
Example of connection to the
opto-couplers
Where:
𝐼𝐼
𝑜𝑜𝑜𝑜𝑜𝑜
(
max
)
=
5 𝑉𝑉 − 2.0 𝑉𝑉
500 𝛺𝛺
= 6.0 𝑚𝑚𝑚𝑚
T
on
(time from low to high) <1µsec
T
off
(time from high to low) <1µsec
Executable time
0 < T < 250 µ sec