Siemens LOGO! Manual page 259

Power consumption
•
•
Voltage failure buffering
•
•
Power loss
•
•
Backup of the real-time clock at
25 °C
Accuracy of the real-time clock
Electrical isolation
Digital inputs
Number
Electrical isolation
Number of high speed inputs
Input frequency
•
•
Max. continuous permissible
voltage
Input voltage L+
•
•
Input current at
•
•
Delay time at
•
•
Line length (unshielded)
Analog inputs
Number
Range
LOGO!
Manual, 10/2017, A5E01248535-AA
12 V DC
24 V DC
12 V DC
24 V DC
12 V DC
24 V DC
Normal input
High speed input
Signal 0
Signal 1
Signal 0
Signal 1
0 to 1
1 to 0
A.8 Technical data: LOGO! 12/24... LOGO! DM8 12/24R
LOGO! 12/24RC
LOGO! 12/24RCo
60 ... 175 mA
•
40 ... 100mA
•
typ. 2 ms
•
typ. 5 ms
•
0.7 ... 2.1 W
•
1.0 ... 2.4 W
•
typ. 80 hours without battery
card
typ. 2 years with battery card
typ. ± 2 s / day
No
8
No
4 (I3, I4, I5, I6)
Max. 4 Hz
•
Max. 5 kHz
•
28.8 V DC
< 5 V DC
•
> 8.5 V DC
•
< 0.85 mA (I3...I6)
< 0.05 mA (I1, I2, I7, I8)
> 1.5 mA (I3... I6)
> 0.1 mA (I1, I2, I7, I8)
typ. 1.5 ms
<1.0 ms (I3 ... I6)
typ. 1.5 ms
<1.0 ms (I3 ... I6)
max. 100 m
4 (I1=AI3, I2=AI4, I7=AI1,
I8=AI2)
0 ... 10 V DC
input impedance 72 kΩ
Technical data
LOGO! DM8 12/24R
30 ... 140 mA
•
20 ... 75 mA
•
typ. 2 ms
•
typ. 5 ms
•
0.3 ... 1.7 W
•
0.4 ... 1.8 W
•
- -
- -
No
4
No
0
max. 4 Hz
•
- -
•
28.8 V DC
< 5 V DC
•
> 8.5 V DC
•
< 0.85 mA
> 1.5 mA
typ. 1.5 ms
typ. 1.5 ms
max. 100 m
- -
- -
259