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
105
7.5
4/8 F-DI DC24V PROFIsafe Digital Electronic Module
7.5.1
Properties of the 4/8 F-DI 24 VDC PROFIsafe Digital Electronic Module
Order Number
6ES7138-4FA04-0AB0
Properties
The 4/8 F-DI DC24V PROFIsafe digital electronic module possesses the following
properties:
●
8 inputs (SIL2/Category 3/PLd) or 4 inputs (SIL3/Category 3 or Category 4/PLe)
●
24 VDC rated input voltage
●
Suitable for switches and 3/4-wire proximity switches (BEROs)
●
2 short circuit-proof sensor supplies, each one for four inputs
●
External sensor supply possible
●
Group fault display (SF; red LED)
●
Status display for each input (green LED)
●
one fault display for each sensor supply (1VsF and 2VsF; red LED)
●
Assignable diagnostics
Power Modules Suitable for SIL2 or SIL3
Table 7- 16 EM 4/8 F-DI DC24V PROFIsafe: Power modules for SIL/Category/PL
Power module
achievable SIL/Category/PL
Supply through PM-E DC24V, PM-
E DC24..48V/AC24..230V or PM-E
DC24..48V
with 1oo1 sensor evaluation (8 F-DI) SIL2/Category 3/PLd
with 1oo2 sensor evaluation (4 F-DI) SIL3/Category 3/PLe
Capacitive Crosstalk of Digital Input/Output Signals
refer to
"Characteristics of the power module PM-E F pm DC24V PROFIsafe"