LEGRAND 3440 - Page 334

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HD4693
HC4693
HS4693
L4693
N4693
NT46935739 21 (Magnesium)
067458
5739 20 (White)
Master and Slave probe
A probe can operate in conjunction with other probes so that an average temperature
calculation can be performed, based on measurements taken from several points
within the same zone. This function is useful for the management of very large areas,
throughout which the temperature may change consistently. To activate this function,
one probe must be congured as “Master”, and one or more probes must be congured as
“Slave” (max 8). The Master probe calculates the average between its own temperature,
and the temperatures measured by the Slave probes, and then performs the appropriate
operations. The probe can operate as Master if congurator 0 is connected to the MOD
socket, and a congurator indicating the number of SLAVE probes present inside the
zone (max 8) is connected to the SLA socket. The same probe can operate as Slave if a
congurator marked as SLA is connected to the MOD socket, and a congurator with the
progressive SLAVE probe number within the ZONE is connected to the SLA socket. During
this numbering procedure, it is essential to start from no. 1, and that the sequence is
respected, without missing any numbers.
Socket Function Congurators
ZA zone address 0 – 9
ZB zone address 0 – 9
MOD Master/Slave mode 0 - SLA
SLA Master/Slave mode 0 – 8
Example of conguration of a zone (address 47), with one Master, and three
Slave probes.
To dene the probes as belonging to ZONE 47, connect congurators 4 and 7 to the ZA
and ZB sockets of the 4 devices. Connect congurator no. 0 to the MOD socket of the
Master probe. The SLA congurator must be connected to the MOD socket of the three
Slave probes (denition of Slave probes). Connect congurator no. 3 to the SLA socket of
MASTER
PROBE
t ROOM = 20°C
SLAVE 1
PROBE
t ROOM = 18°C
SLAVE 2
PROBE
t ROOM = 19°C
SLAVE 3
PROBE
t ROOM = 21°C
the Master probe (there are three Slave probes inside the zone); connect congurators
no. 1, 2, and 3 to the SLA socket of the three Slave probes respectively (progressive
number of the probe within the zone).
Programming
Using the “Congure zones” item of the “Maintenance menu” of the temperature control
system central unit, it will be possible to dene if the zone should manage a heating
system, a cooling system, or a combined one.
Master Probe
(HC/HS/L/N/NT4693, 573920,
573921 and 067458)
Slave 1 probe
(HC/HS/L/N/NT4693, 573920,
573921 and 067458)
Slave 2 probe
(HC/HS/L/N/NT4693, 573920,
573921 and 067458)
Slave 3 probe
(HC/HS/L/N/NT4693, 573920,
573921 and 067458)
Socket Congurators Socket Congurators Socket Congurators Socket Congurators
ZA 4 ZA 4 ZA 4 ZA 4
ZB 7 ZB 7 ZB 7 ZB 7
MOD 0 MOD SLA MOD SLA MOD SLA
SLA 3 SLA 1 SLA 2 SLA 3
AVERAGE t = 19.5°C
Using the same menu item, also select the type of load to control, among the following:
ON/OFF, OPEN/CLOSE, 3SP FAN-COIL. When performing programming operations from
the central unit, refer to the installation manual supplied with the central unit itself.
The probe can be congured remotely with “Virtual Conguration”. When no physical
congurators are available, a PC with Virtual Congurator software version 2.1 must be
used.
Conguration
The probe must always be congured by connecting two congurators to the ZA and ZB
sockets, which identify the device address, and the number of the zone controlled by the
probe itself. The actuators controlled by the probes must be congured with the same
zone address.
Probe without selector
MQ00180-c-EN 29/04/2014