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Saia-Burgess Controls AG
3.1
Technical specifications of digital room control units PCD7.L640 - .L644
Pin allocation for PCD7.L640 - .L644
Interface
Serial bus
Manual for PCD7.L6xx room operator units │ D ocument 26-859 ENG07 │ 2 015-06-04
Terminal
Description
RC
The connection to the room controller is done with the
cable PCD7.L670-xx directly on the controller or the use
of expansion modules for lighting and shading on the last
module.
The power cable, PCD7.L670-xx, is prefabricated on both
sides and has a length of either 10, 30 or 50 m.
The maximum length between the room controller and the
control room control unit must not exceed 50 meters.
Digital room controller units
PCD7.L642
Controller
RJ 9
PCD7.L670-xx
PCD7.L643
HEVAC function
Set
Display
Controller
RJ 9
PCD7.L670-xx
3
3-2
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