Sime MURELLE EQUIPE 220 BOX ErP Guía Para El Instalador página 50

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Idiomas disponibles

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2.9
RS-485 BOARD (fig. 8)
Each.module.is.supplied.with.the.RS- 485.
board. which. allows. you. to. manage. the.
boilers.in.sequence/cascade.
The. board. is. placed. on. the. back. of. the.
control.panel.
2.9.1
MODBUS mode
(fig. 8/a)
This. mode. allows. for. MODBUS. commu-
50
nication.of.at.least.two.boilers.in.cascade.
and. is. performed. by. requesting. another.
RS-485. board. provided. in. the. kit. code.
8092244..
ATTENTION: Communication will occur
only with the MASTER boiler, (boiler
with PAR 15 = 0), interpreting the casca-
de as a single heat capacity generator:
P
= P
x No.
CASCADE
BOILER
BOILERS
To. install. the. second. board,. proceed. as.
follows:
-. Remove. the. cover. and. electrical-
ly. connect. the. second. RS-485. board.
equipped.with.lid.to.the.RS-485.board.
already.installed.in.the.MASTER.boiler.
(boiler.with.PAR 15 = 0).with.the.wired.
connector.provided.in.the.kit.
CAUTION: Insert the wired connector
with caution.
-. Set.the.DIP.SWITCH.of.the.new.board.
in.MODBUS.mode.
.
-. Close.the.lid.of.the.second.board.
-. Choose. the. communication. configu-
ration.suited.to.the.MODBUS.network.
(PAR.17.INST).according.to.Table PAR
17 INST.
x 2
Fig..8
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