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
