Siemens SIPART DR22 Manual page 141

Manual
Receiver input Rxd Rxd
Signal level 0
1)
Signal level 1
Input resistance
Send output Txd
Signal level 0
1)
Signal level 1
Load resistance
1)
Signal status 1 is the rest state
2)
Input protected with 14 V Z-diode, greater voltages possible with current limiting to 50 mA.
Line capacitance or lengths
at 9600 bits/s
RS 232 point-to-point
RS 485 bus
6DR2804-8A/B Coupling relay 230 V
1 relay module
2 relay module
per relay module
-- Contact material
Switching voltage
AC
DC
switching current
AC
DC
Rating
AC
DC
-- Service life
mechanical
electrical AC 230 V, ohmic
SIPART DR22 6DR2210
C79000-G7476-C154-03
RS 232
0 to +12 V
-3 to -12 V
13 k
100 kΩ ab Erzeugnisstand 8
+5 to +10 V
-5 to -10 V
≤1.67 mA
Power capacitance
≤2.5 nF
≤250 nF
1.6.3 Technical data of the options modules
2)
U
2)
U
Ω
U
U
Reference values line lengths
Ribbon cable
without shield
50 m
1000 m
6DR2804-8B
6DR2804-8A
2 relays with 1 switching contact each with
spark quenching element
silver-cadmium oxide
≤250 V
≤250 V
≤8 A
≤8 A
≤1250 VA
≤30 W at 250 V
≤100 W at 24 V
silver-cadmium oxide
7
2×10 switching cycles
6
2×10 /I(A)switching cycles
1 Technical Description
1.6 Technical Data
RS 485
> U , +0,2 to +12 V
A B
< U , -0.2 to -12 V
A B
12
Ω
> U , +1.5 to +6 V
A B
< U , -1.5 to -6 V
A B
54
Ω
Round cable
with shield
10 m
1000 m
139