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What is the maximum permissible length between RS485 communication port of inter-Sepam 1000+.

The length depends on the number of Sepam units connected and the supply voltage of the ACE949-2 or ACE959 connection interfaces.

Maximum length of RS485 bus with 12 V distributed power supply:
320 m with 5 Sepam units connected
180 m with 10 Sepam units connected
160 m with 20 Sepam units connected
125 m with 25 Sepam units connected

Maximum length of RS485 bus with 24 V distributed power supply:
1000 m with 5 Sepam units connected
750 m with 10 Sepam units connected
450 m with 20 Sepam units connected
375 m with 25 Sepam units connected
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