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Advantech PCI-1752USO Instrukcja Użytkownika Strona 9

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Features
www.advantech.com/products
Online Download
12-9
8
5
44
10
CompactPCI
9
Plug-in I/O
8
AWS
7
FPM
6
IPPC
TPC
RS-485 I/O
3
UNO
2
BAS
1
PAC & Software
11
Signal Conditioning
12
USB I/O
13
Motion Control I/O
14
Ethernet Switch
15
EDG
16
ICOM
17
Ethernet I/O
d) 4 ~ 20 mA to 1 ~ 5 VDC signal converter:
RAn = 0
Ω (short)
RBn = 250
Ω (0.1% precision resistor)
Cn = none
Pin Assignments
Ordering Information
PCLD-780 Screw terminal Board, two 1m 20-pin flat cables
(PCL-10120-1)
PCLD-880
Industrial Wiring Terminal Board, two 1m 20-pin flat
cables (PCL-10120-1), and one PCL-10501 adapter
(20-pin analog flat connector to DB37 connector)
PCL-10137-1 DB37 cable assembly, 1 m
PCL-10137-2 DB37 cable assembly, 2 m
PCL-10137-3 DB37 cable assembly, 3 m
Applications
Field wiring for analog and digital I/O channels of PC-LabCard™ products which
employ the standard 20-pin flat cable connectors or DB37 connectors
(only PCLD-880)
Signal conditioning circuits can be implemented as illustrated in the following
examples:
a) Straight-through connection (factory setting)
RAn = 0
Ω jumper
RBn = none
Cn = none
b) 1.6 kHz (3dB) low pass filter
RAn = 10 K
Ω
RBn = none
Cn = 0.01μF
f3dB =
c) 10 : 1 voltage attenuator:
RAn = 9 K
Ω
RBn = 1 K
Ω
Cn = none
Attenuation =
(Assume source impedance << 10 KΩ)
Screw Terminal Board
Industrial Wiring Terminal
Board w/Adapter
PCLD-780
PCLD-880
Pin to pin design
Low-cost universal screw-terminal boards for industrial applications
40 terminal points for two 20-pin flat cable connector ports
Reserved space for signal-conditioning circuits such as low-pass filter,
voltage attenuator and current-to-voltage conversion
Table-top mounting using nylon standoffs. Screws and washers provided for
panel or wall mounting
PCLD-780 Only
Screw-clamp terminal-blocks allow easy and reliable connections
Dimensions: 102 x 114 mm (4.0" x 4.5")
PCLD-880 Only
Supports PC-LabCard™ products with DB-37 connectors
Industrial-grade terminal blocks (barrier-strip) permit heavy-duty and reliable
connections
Dimensions: 221 x 115 mm (8.7" x 4.5")
Introduction
PCLD-780 and PCLD-880 universal screw-terminal boards provide convenient and reliable signal wiring for PC-LabCard™ products with 20-pin flat-cable connectors. PCLD-880
is also equipped with a DB37 connector to support PC-LabCard™ products with DB37 connectors.
PCLD-780 and PCLD-880 let you install passive components on the special PCB layout to construct your own signal-conditioning circuits.
You can easily construct a low-pass filter, attenuator or current-to-voltage converter by adding resistors and capacitors onto the board’s circuit pads.
PCLD-780 PCLD-880
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
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