SC2 D
Systemair AB
Industrivägen 3, SE-739 30 Skinnskatteberg
Tel +46 222 440 00, Fax +46 222 440 99
mailbox@systemair.se • www.systemair.com
SC2/D
Technical data
General
Supply voltage 24 V AC +/- 15 % 50-60 Hz, 24 V DC ( 18...35 V DC )
Power consumption 2 VA
Ambient temperature 0...50°C
Storage temperature -40...+50°C
Ambient humidity Max. 90% RH
Form of protection IP20
This product conforms with the requirements of European EMC standards
CENELEC EN 50081-1 and EN 50082-1, European LVD standards IEC 669-1
and IEC 669-2-1 and carries the CE-mark
Inputs
Input signal 0-10 V DC
Outputs
Relay Two closing relays, 230 V AC 10 A. Indication when relay outputs are activated
Settings
Setpoint Setpoint 0...10 V
DIFF Hysteresis 0,1...2 V
SD Stage difference 0...2 V
Function switches
This is factory setting
1 2 3
A
B
1 2 3
A
B
1 2 3
A
B
1 2 3
A
B
1 2 3
A
B
R1 ON on decreasing input signal
R2 ON on increasing input signal
Two stages in sequence on increasing input signal
First R1 then R1 + R2
Two stages in sequence on decreasing input signal
First R1 then R1 + R2
Three stages binary on increasing input signal
First R1, then R2 and then R1 + R2
Three stages binary on decreasing input signal
First R1, then R2 and then R1 + R2.
Wiring and dimensions
(mm)
For supply voltage 24V DC terminal
11 is to be connected to minus (-)
and terminal 12 to plus (+).
74
85
SC2/D
53