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Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 07/18
CERTUS Installation Manual
Overview
Certus is a modular safety controller. It consists of a master unit (CMM), which can be
configured using the CCS graphic interface, and a number of expansion units connected to
the CMM via the proprietary SCC bus.
The CMM can also be used as a stand-alone device. It has 8 safety inputs and 2
independent programmable dual channel outputs.
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The following expansions are available:
• Input/Output expansions (C 8I 2O, C 12I 8TO)
• Input expansions (C 8I, C 16I, C PSS, C ES1 and C ES2)
• Output expansions (C 2OSSD and C 4OSSD)
• Guided contact safety relay output modules (C 2R and C 4R) and
• Data and diagnostic communication expansion units to the main fieldbuses:
C PDP (Profibus DP), C CAN (CANOpen), C DNE (DeviceNET), C EIP (Ethernet IP), C PFN
(PROFINET), C ECA (EtherCAT).
Certus is capable of monitoring the following safety sensors and commands:
• Optoelectronic sensors (safety light curtains, scanners, safety photocells), mechanical
switches, safety mats, emergency stops, two-hand controls, all managed by a single
flexible and expandable device.
• The system must consist of just one Master module CMM and a number of electronic
expansions that can range from 0 to a maximum of 14, not more than 4 of which of the
same type. There is no limit to the number of relay modules that can be installed.
• With 14 expansions, the system can have up to 128 inputs, 16 dual channel safety outputs
and 16 status outputs. The MASTER and its SLAVE units communicate via the 5-way SCC
bus (Carlo Gavazzi proprietary bus), physically arranged on the rear panel of each unit.
• Furthermore 8 inputs and 16 outputs probe controllable (by Fieldbus) are available.
• The CCS software is capable of creating complex logics, using logical operators and
safety functions such as muting, timer, counters, etc.
• All this is performed through an easy and intuitive graphic interface.
The configuration performed on the PC is sent to the CMM via USB connection; the
file resides in the CMM and can also be saved on the proprietary CMC memory chip
(accessory). The configuration can therefore quickly be copied to another CMM unit.
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The Certus system is certified to the maximum safety level envisaged by the applicable
industrial safety standards (SIL 3, SILCL 3, PL e, Cat. 4).
