DAB E.sybox Instrucciones Para La Instalación Y El Mantenimiento página 79

Combining one or more e.syboxes with a control unit allows the use of:
• Digital inputs
• Relay outputs
• Remote pressure sensor
• Ethernet network connection
Below, the combination of functions listed above, made available by the
various types of control unit, will be referred to as "control unit functions
5.1.1 - Functions made available by control units
The functions made available by each type of control unit are specified in
Table 4, Functions made available by control units
Functions
Opto-isolated digital inputs
Output relay with NO contact
Output relay with NO - C - NC contact
Remote pressure sensor
Network connection
Tab. 4: Functions made available by control units
5.1.2 - Electrical connections of utility inputs and outputs
See control unit manual.
5.1.3 - Safety mode operation
When using the input or remote sensor functions, in the event of a com-
munications downage or control unit error, the e.sysbox and control unit
will switch to safety mode, adopting the configuration considered least
damaging. When safety mode comes into operation, a flashing icon
e.sylink PWM Com
PWM IO
• • •
• • •
•
• •
•
showing a cross inside a triangle appears on the display.
The way in which the e.sysbox responds to a communications downage
is explained in the table below.
No control
unit asso-
ciated
e.sybox Communication with control
setting
No action
In=0 Input fun-
ction disabled
No action
In (2) =1, 2
Low water level stop status F1
indicated by
float switch
No action Activation of
in (2) =3, 4
Pauxn auxiliary correspon-
ding auxiliary
setpoint
No action
in (2) =5, 6
Disable system
stop status F3
No action
(2)
in =7, 8
Disable system
stop status
+ fault and F3 + fault and
warning reset warning reset
e.sybox response
Control unit associated
No commu-
nication with
unit
control unit,
Function Function not
or control
activated activated
unit error
(by means (by means
of input or of input or
Safety mode
menu) menu)
No action No action No action
System in No action System in
stop status
No action Activation of
lowest auxi-
liary setpoint
setpoint pressure set
System in No action System in
stop status
System in No action System in
stop status
GB
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