
5
A 511 - DTC 628 Eng.
06.12.05 LB
We reserve the right to make changes without notice
10.
4
Several DTC 628 connected in C-Ring with other Heating/DHW circuit controllers.
One of the DTC 628 must be PRIMARY ; the others must be SECONDARY.
Each DTC 628 can determine the temp. of its own boiler using:
– the value of the flow temp. requested by the zone controllers.
– own programming.
– remote control
A
for changing program in use.
M6.
4
C R i n g c o n n e c t i o n
P R I M A R Y
M6.
4
C R i n g c o n n e c t i o n
S E C O N D A R Y
The U terminal of the DTC 628 Secondaries
must not be connected
11.
2
Address for Telemanagement
Under Telemanagement, in order for the controllers to be identified by the central PC and/or by the
local PCs, they must be assigned a progressive address number.
The regulators can also be subdivided into groups according to certain common properties (e,g,
same geographical area,).
When Telemanagement is not scheduled leave the address in memory (–).
To cancel the values press + and – keys at the same time.
11.
3
Sending alarms
•
Send alarms
:
NO = alarms not sent
YES = alarms transmitted to central PC
•
PassWTeleman
: NO = password not enabled
YES = password enabled
M6.
3
A d d r e s s : –
G r o u p : –
M6.
2
S e n d A l a r m s : N O
P a s s W T e l e m a n : N O
11. C-BUS COMMUNICATION FOR TELEMANAGEMENT (for detailed information see data sheet T 021)
Via the C-Bus output DTC 618 can be Telemanaged – two-way data communication with one or more
local PCs and/or the central control computer via the (PSTN) telephone network,
From the PC or PCs you can:
– see and/or modify the data and values set on the display pages of the controller and configuration
data dedicated exclusively to Telemanagement (see “Technical Data”).
– see the operational status of the plant components (pumps, auxiliaries in general)
– acquire the alarms coming from the plant
– read the detector measurements (temperatures: outside, flow, boiler, etc)
11.
1
C-Bus electrical connections
C R i n g c o n n e c t i o n
P R I M A R Y
C R i n g c o n n e c t i o n
S E C O N D A R Y
Slave controller
or
C R i n g c o n n e c t i o n
S E C O N D A R Y
Slave controller
or
C R i n g c o n n e c t i o n
S E C O N D A R Y
Slave controller
or
M6.
4
C R i n g c o n n e c t i o n
S E C O N D A R Y
M6.
4
C R i n g c o n n e c t i o n
S E C O N D A R Y
M6.
4