Overview
3.3 System components
Modular Safety System 3RK3
System Manual, 10/2008, 926 2530-02 DS 02
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Accessories
The following components of the SIRIUS device family are available to you as accessories:
Component Description Diagram
Connection cables
• Ribbon cable for data connection of system
components via the system interfaces
• Mechanically-coded and color-coded protection
against reverse polarity
• 0.025 m ("adjacent")
• Order no. 3UF7930-0AA00-0
Connection cable to the
diagnostics module
• Ribbon cable for data connection between the
central unit/communication module and the
diagnostics module
• Mechanically-coded and color-coded protection
against reverse polarity
• Max. 2.5 m
• Order numbers:
– 3UF7931-0AA00-0: 0.1 m, (flat)
– 3UF7935-0AA00-0: 0.3 m, (flat)
– 3UF7932-0AA00-0: 0.5 m, (flat)
– 3UF7932-0BA00-0: 0.5 m, (round)
– 3UF7937-0BA00-0: 1 m, (round)
– 3UF7933-0AA00-0: 2 m, (round)
– 3UF7933-0BA00-0: 2.5 m, (round)
Flat:
Round:
PC cable
(optional)
• Connection cable for exchanging data between the
PC/programming device and the central unit.
The connection cable connects the COM interface
of the PC/programming device with the system
interface of the central unit.
• Order no. 3UF7940-0AA00-0, product version 2
Memory module
• External memory expansion of the central unit for
saving parameters
• The slot for the memory module is located on the
underside of the central unit
• Order no. 3RK3931-0AA00
System interfaces
cover
• Cover for free system interfaces as protection
against contamination and for compliance with EMC
regulations
• Order no. 3UF7950-0AA00-0
Fixing lugs
• Fixing lugs for installing the device on a level
surface,
2 required per device
• Order no. 3RP1903