Supervisory Control & Data
Acquisition
DAQ Networking
Data Acquisition and Control Cards
Master boards
Remote I/O Modules
Converter
I/O Expansion Board
Embedded Controllers
Compact Embedded Controller
Communication Controller
Elements in DAQ Networking
Feature of Remote I/O Modules
Variant I/O Modules
RS-485 Network
115.2K Baud Rate Maximum
Self-Turner
Good Expansibility
Wide Voltage Source (10~30VDC)
3000 VDC Isolated Protection
Variant Remote I/O Modules
Analog Input
V
mV
mA
Thermocouple
Analog Output
V
mV
mA
Digital Input
Isolated
Non-Isolated
Digital Output
Photo
Open Collector
Relay
Counter
Counter
Frequency
Noise Resistance
1.2Km (up to 4.8Km by Repeater)
Noise
Isolated
Isolated
Protection
Protection
Cross Talk
Signal
(DT)=(D+)-(D-)
D+
D-
Ground
Deliver Receiver
Noise
Signal
(DT)=((D+)+Noise)
- ((D-)+Noise)