Intrinsically safe circuit JBO-01

Intrinsically safe circuit JBO-01

Product description

JBO-01 is intended for transformation of input voltage to intrinsically safe binary output. Particularly is intended for reading presence of network voltage or for adjustment of other voltage signals for the purpose of connection to binary and impulse inputs of electronic datalogger DATCOM.

Overview and functions

JBO-01 is produced in two variants depending on range of input voltage. Standard variant JBO-01 is intended for input voltage 230Vst and variant JBO-01/A for input voltage 6 to 30 Vss, 6 to 26 Vst. Output JBO-01 is realized by transistor with open collector. For connection to input of DATCOM is possible to connect outputs of three JBO-01 into series (indication of failure in three-phase voltage system).

On the board JBO-01 is placed shorting jumper (jumper J1). By disconnecting of this jumper in the variant JBO-01/A, time of fastening and unfastening of output is compressed. Thereby JBO-01/A is predetermined for monitoring voltage impulses.

Module JBO-01 is inbuilt into plastic box intended for mounting on lath DIN 35. Switching on indication LED diode on the box indicates presence of input voltage.


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