Fail-Safe Modules
7.7 4 F-DO DC24V/2A PROFIsafe digital electronic module
ET 200S Distributed I/O System - Fail-Safe Modules
176 Installation and Operating Manual, 08/2008, A5E00103686-07
Technical Specifications
Data for selecting an actuator***
Output voltage
• For "1" signal • Minimum L+ (-2.0 V)
• P-switch: Minimum L+ (-1.5 V); Voltage drop
in M-switch: 0.5 V, maximum
Output current for "1" signal
• Rated value
2 A
• Permissible range
20 mA to 2.4 A
For "0" signal (residual current) 0.5 mA, maximum
Indirect control of load by means of interface
relay:
For "0" signal (residual current)
• P-switch
0.5 mA, maximum
• M-switch
4 mA, maximum
Load resistance range 12 Ω to 1 kΩ
Lamp load 10 W, maximum
Wire break monitoring (open load detection) and
overload monitoring
• Response threshold
I < 4 to 19 mA
• Fault detection time
depending on the selected readback time (see
"Response Times"
)
Parallel connection of 2 outputs Not possible
Control of a digital input Not possible
Switching frequency
• With resistive load
30 Hz symmetrical, maximum
• With inductive load in accordance with IEC
60947-5-1, DC13
0.1 Hz symmetrical, maximum
• With lamp load
10 Hz symmetrical, maximum
Voltage induced on current interruption limited to Typ. L+ (-2x 47 V)
Short-circuit protection of output Yes, electronic
• Response threshold (short circuit)
5 A to 12 A
• Response threshold (external M-short circuit)
5 A to 12 A
• Response threshold (external P-short circuit)
25 A to 45 A
Overload protection Yes
• Response threshold
I >2.6 A to 2.8 A
Time, Frequency
Internal processing times See
"Response Times"
Acknowledgment time in safety mode 4 ms minimum/8 ms maximum
Protection against Overvoltage
Protection of power supply L+ from surge in
accordance with IEC 61000-4-5 with external
protection elements only
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