Fail-Safe Electronic Modules
8.1 8 /16 F-DI DC24V PROFIsafe Digital Electronic Module
ET 200pro Distributed I/O System - Fail-Safe Modules
84 Operating Instructions, 05/2007, A5E00394073-02
8.1.10 Technical Specifications for the 8/16 F-DI DC24V PROFIsafe Electronic Module
Overview
Technical Specifications
Dimensions and Weight
Dimensions W x H x D (mm) 90 x 175 x 65.2 (including rack)
Weight Approx. 270 g
Module-Specific Specifications
Number of inputs
• 1-channel
Max. 16
• 2-channel
Max. 8
Assigned address area
• I/O area for inputs
8 bytes
• I/O area for outputs
4 bytes
Cable length
• Unshielded
Max. 30 m
• Shielded
Max. 30 m
Maximum achievable safety class 1-channel 2-channel
• In accordance with IEC 61508
SIL2 SIL3
• In accordance with EN 954
Category 3 Category 4
Fail-safe performance characteristics SIL2 SIL3
• Low demand mode (average probability of
failure on demand)
< 1.00E-03 < 1.00E-05
• High demand/continuous mode (probability of
a dangerous failure per hour)
< 1.00E-08 < 1.00E-09
Voltages, Currents, Potentials
Rated supply voltage L+ 24 V DC
• Permissible range
20.4 V to 28.8 V
• Power loss ride-through of L+
None
• Power loss ride-through of internal P5
5 ms
• Reverse polarity protection
Yes
Number of simultaneously controllable inputs
• All mounting positions
– Up to 40°C
– Up to 55°C
16 (for 28.8 V)
16 (for 24.7 V) or 8 (for 28.8 V)
Electrical isolation
• Between channels and backplane bus
Yes
• Between channels and power supply
No
• Between channels
No
• Between channels/power supply and shield
Yes
Permissible potential difference between
• Shield and ET 200pro bus connection
75 V DC/60 V AC
• Shield and I/O (DIs)
75 V DC/60 V AC
• ET 200pro bus connection and I/O (DIs)
75 V DC/60 V AC
Insulation tested during type test with
• Shield and ET 200pro bus connection
350 V AC/1 min
• Shield and I/O (DIs)
350 V AC/1 min
• ET 200pro bus connection and I/O (DIs)
350 V AC/1 min
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