Fail-Safe Modules
7.5 4/8 F-DI DC24V PROFIsafe Digital Electronic Module
ET 200S Distributed I/O System - Fail-Safe Modules
Installation and Operating Manual, 08/2008, A5E00103686-07
133
7.5.10
Technical Specifications of the EM 4/8 F-DI DC24V PROFIsafe
Overview
Technical Specifications
Dimensions and Weight
Dimensions W x H x D (mm)
30 x 81 x 52
Weight
Approx. 78 g
Data for Specific Module
Number of inputs
•
1-channel
8, maximum
•
2-channel
4, maximum
Assigned address area
•
I/O area for inputs
6 bytes
•
I/O area for outputs
4 bytes
Length of cable
•
Unshielded *
Max. 200 m
(at input delay 3 ms * and 15 ms)
•
Shielded *
Max. 200 m
(at input delay 0.5 ms, 3 ms and 15 ms)
Maximum achievable safety class
1-channel
2-channel
•
In accordance with IEC 61508
SIL2
SIL3
•
In accordance with EN 954
Category 3
Category 4
•
according to ISO 13849
PLd
PLe
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
dangerous failure per hour)
< 1.00E-08
< 1.00E-10
•
Acceptance ID
FM, cULus, ATEX, CE, C-Tick
Voltages, Currents, Potentials
Rated supply voltage L+
24 VDC
•
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
No
Number of simultaneously controllable inputs
•
Horizontal installation
–
Up to 55°C
–
Up to 60°C
–
Up to 60°C
8 (with 28.8 V)
8 (with 24 V)
6 (with 28.8 V)
•
Vertical installation
–
Up to 40 °C
8
Electrical isolation
•
Between channels and backplane bus
Yes
•
Between channels and power supply
No