Fig. 1. Simplified schematic of OPT-821A internal circuits.
An external power supply 8~30V is not required if the input port of the PC
card is equipped with pull-up resistors (all types of TEDIA cards are
equipped with pull-up resistors).
Manufacturing, sales office, service center and technical support:
TEDIA spol. s r. o.
Zabelska 12, 31200 Plzen, Czech Republic
phone/e-mail:
https://www.tedia.eu/contacts
address:
SV1-15
SV1-3
SV1-1
SV1-16
K1-6
K1-9
K1-5
K1-1
SV1-2
SV1-4
5V
SV2-1
SV2-2
6K0
4K7
6K0
4K7
6K0
4K7
8~30V
OPT-821A
User Guide
(further information available at http://www.tedia.eu)
document revision: 02.2013, © 1994-2013 TEDIA
®
spol. s r. o.