Bus For Master/Slave Function; Bus Connection; Addressing Procedure For The Units - Carrier CCU Controller Bedienungsanleitung

13 - BUS FOR MASTER/SLAVE FUNCTION

13.1 Bus connection

BETWEEN THE VARIOUS UNITS
CCU CONTROLLER MASTER
J9
ON
OFF 1
COM2
ON
OFF
COM2
COM2: Bus polarisation switch
Master unit = ON
Slave unit = OFF

13.2 Addressing procedure for the units

The first time the power is switched on, all the boards are initialised with the parameter P215 "UNIT NUMBER ON CONSOLE"
having the value 1.
Connection diagram
CCU CONTROLLER
On the controller for unit 1, in the "CONFIGURATION OF NUMBER OF UNITS" menu, "OPERATING CONFIGURATION", adjust
the parameter "C01 NUMBER OF UNITS": (3 in the example).
Addressing units
The parameter P215 must be set on each unit.
Position the cursor opposite unit 1 and press the "ENTER" key'.
In the "PARAMETERS"', "SETTINGS PARAMETERS" menu, set parameter P215 to the value corresponding to the unit number.
2 3 3
CCU CONTROLLER SLAVE
J9
1 2 3
Shunt to be removed from connector J2
J9
Unit 1
Controller
(P215 = 1)
CCU CONTROLLER SLAVE
J9
ON
OFF 1 2 3
COM2
Terminals 1 and 7
J9
Unit 2
Controller
CCU CONTROLLER
(P215 = 2)
EN - 27
Multiconductor cables shielded,
jacketed
(shielding with braiding),
length between the 1st and the
last CCU CONTROLLER:
1000 m
1: Line A or +
2: Line B or -
3: Earth
J9
Unit 3
Controller
CCU CONTROLLER
(P215 = 3)
EN