Wieland samos, User Manual

Page: 14 / 76

SA-BM Base Module
14
© 2010 Wieland Electric GmbH | BA000256 | 12/2012 (Rev. I)
SA-BM-S1
Function
Base module in the samos system
Function display 11 green LEDs, 1 red LED
Controls 2 10-position switches, 1 1-position button
Terminals Plug-in terminals with screws / spring force
Max. number of modules / status in system 1 / SBus master
Max. number of parallel-connected module inputs
In or S
n
that can be controlled from one module
output X
n
or Q
n
8
___________________________________________________________________________
Power circuitry (
A1, A2
) Min. Typical Max.
Operating voltage U
B
, DC 19.2 V 24 V 30.0 V
Residual ripple V
SS
3.0 V
Rated power, DC 1.8 W
Peak current I
P
25 A
Ready time t
ON
(after connecting U
B
) 10 s
Device fuse 6 A (gG)
___________________________________________________________________________
Input circuit (I1..I4, EN, S1..S3) Min. Typical Max.
Input voltage, U
E
(HIGH)
(LOW)
13.0 V
–0.5 V
30.0 V
5.0 V
Input current, I
E
(HIGH)
(LOW)
2.4 mA
–2.5 mA
3.0 mA 3.8 mA
2.1 mA
Cyclical peak input current, I
E,Peak
15 mA
Input capacitance, C
IN
200 nF
Input resistance, R
IN
8 k

ON period* t
E
70 ms
OFF period* t
A
> t
AN
Break time of U
E
(test pulses) 1.0 ms
Break time period 20 ms
Synchronous time t
S
(Function 2)
Synchronous time t
S
(Functions 4, 5.2)
1500 ms
500 ms
Duration of operation Reset inuts S1, S2 50 ms 5 s
___________________________________________________________________________
Output circuit ( X1, X2 ) Min. Typical Max.
Output voltage 18.0 V 30.0 V
Output current 150 mA
Wire capacitance, C
L
500 nF
Wire resistance, R
L
100

Type of outputs / short-circuit behavior Semiconductor / absolutely short-circuit-proof
SA-BM
technical data
* For the times, see the
function diagram at the
end of the table
The sum of currents,
which are drained from
the outputs X1, X2 of all
Base modules to supply
external sensors, may not
exceed 600 mA!