Product Manual
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5. - COMMUNICATION PROTOCOL
5.1. - Connection for the RS485 BUS
The composition of the RS-485 cabling must be carried out with a meshed screen cable
(minimum 3 wire),
diameter of not less than 0.5mm
2
, with a maximum distance of 1,200 m
between the BJ194… and the master unit. This Bus may connect a maximum of 32 BJ194…
Note:
1. For communication with the master unit, customers can choose the RS-232 to RS-485
converter to use
2. Full range of BJ-
… meter RS485 PIN number is 58,59,60
3. Due to product modifications or custom requirements , the interface pin place may be
changed. For details, please refer to product label on the rear board
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www.energometrika.ru
