Gold Twitter Installation Guide
MAN-G-TWI (Ver. 2.000)
|Main Connector (MAIN)|
www.elmomc.com
63
Table of Contents
The following table describes the electrical specification of the outputs OUT3 and OUT4.
Feature
Details
Type of output
3.3V Logic
Output Configuration
V
OL
max of TTL buffer(low level)
V
out
(On) ≤ 0.4V @ 8mA
V
OH
min of TTL buffer (High level)
V
out
(High) >2.9V @ 8mA
Output current
𝐼𝐼
𝑜𝑜𝑜𝑜𝑜𝑜
(
max
)
=
3.3
𝑉𝑉
220
𝛺𝛺
+
𝑅𝑅
𝐿𝐿
(
external
)
Where:
𝑉𝑉
𝑅𝑅
𝐿𝐿
(
𝐻𝐻𝐻𝐻𝐻𝐻ℎ
)
= 3.3
𝑉𝑉 −
220
∗ 𝐼𝐼
𝑜𝑜𝑜𝑜𝑜𝑜
(
max
)
Example of connection to the
opto-couplers
Where:
𝐼𝐼
𝑜𝑜𝑜𝑜𝑜𝑜
(
max
)
=
3.3
𝑉𝑉 −
2.0
𝑉𝑉
220
𝛺𝛺
+ 50
𝛺𝛺
= 4.8
𝑚𝑚𝑚𝑚
T
on
(time from low to high)
<1usec
T
off
(time from high to low)
<1usec
Executable time
0 < T < 250
µ
sec
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