Saia-Burgess Controls AG
Manual for PCD7.L6xx room operator units
│
Document 26
-859
E
NG07 │ 2015-06-04
3
Digital room controller units
3-2
3.1
Technical specifications of digital room control units PCD7.L640 - .L644
RJ 9
Controller
PCD7.L670-xx
PCD7.L642
yellow
green
red
black
LED
comfort mode
Setpoint
potentiometer
temp.-sensor
Occupancy button
Occupancy button
RJ 9
Controller
PCD7.L670-xx
Set
Display
PCD7.L643
yellow
green
red
black
temp.-sensor
Occupancy button
HEVAC function
Pin allocation for PCD7.L640 - .L644
Interface
Terminal
Description
Serial bus
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.