DAP 128TC
Application
- full duplex transfer of monitoring signals and control commands
- transfer of binary and analogue information up to the distance of 10 km without modems or repetitive amplifiers
- ideal for monitoring and control of vast objects, such as airports, mines, shipyards, etc.
Files for download
pdf Data Sheet (1.70 MB)Description/Properties
- it is composed of one central unit DAP 128TC and several terminals containing I/O modules (input/output modules)
- modular concept, easy diagnostics
- central unit can handle up to 16 independent lines per one communication line
- it is possible to connect parallelly up to 16 I/O modules
- feeding of monitoring I/O modules
- modules via communication line
- data transmission by sinusoidal signal with use of multiplex time division
- high reliability and low requirements concerning quality of communication cable
- galvanically separated data transfer lines protected against short circuit and over-voltage
- communication with superior system (e.g. AMS) with use of serial line RS-232 or 100 Base-T
Technical parameters
- number of bits transferred during one cycle 128
- duration of one transfer cycle 0,5 sec
- signal voltage on data transfer line ±30 Vpeak (60 Vp-p)
- nominal value of data transfer line impedance 600 Ω
- recommended diameter of conductor of data transfer line 0,5–0,8 mm (AWG 24-20)
- maximal total resistance of data transfer line conductor 750 Ω
- maximum bridgeable distance 10 km (AWG 20)
- minimum insulation resistance of data transfer line 2 MΩ
