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Intrinsically Safe Modem

Description

Technical spec

Within development and further operation of automation systems for mining equipment it becomes necessary to transmit data for long distances (about 7-10 km) from data sender to data receiver through available communication lines (telephone copper pair).

For this purpose, we offer data modem BOSmodem. BOSmodem ensures data transmission from different automated process control systems (ASUTP) to dispatcher’s workstation (ARM).

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Communication interface	Galvanically isolated 2-wire
Communication protocol	V23
Modulation type	FSK
Data rate	1200 bps
Transmitting DTMF signal	Yes
Rated input voltage (Uн)	12 V
Minimum input current	100 mA
Dimensions	70,5 х 85 х 22,5 mm
Installation	DIN-rail

Intrinsically safe parameters:

Maximum output intrinsically safe DC voltage (U0)	13 V
The maximum intrinsically safe input current (Ii)	less than 1,7 А
Maximum input capacitance (Ci)	less than 2,5 uF
Maximum input inductance (Li)	0
Explosion protection marking	РО ExiaI

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