Duplexed Safety Control Unit Yokogawa SSC60D-F2542

Hardware Specifications

Duplexed Safety Control Architecture

The SSC60D-F2542 uses a duplexed architecture for safety control processing. The supplied information identifies redundant processor modules, power supplies, and communication interfaces.

The controller provides dual-redundant Vnet/IP communication at 100 Mbps and full duplex operation. It also supports local I/O module installation through up to 8 module slots.

For expanded I/O configuration, the controller can connect to multiple safety node units through the ESB bus.

Memory and Communication

The controller uses a MIPS R5000 processor with 128 MB of main memory. Non-volatile memory stores application programs, while management information uses storage backed up by a non-rechargeable S9185FA battery.

The Vnet/IP interface provides two redundant communication paths. Each interface operates at 100 Mbps with full duplex communication.

The available data does not specify communication failover time, network cable type, connector pin assignment, or maximum ESB cable length. These values should therefore be taken from the applicable Yokogawa ProSafe-RS installation documentation.

Operating Environment

The specified wide-range operating temperature is -20 deg C to +70 deg C. The configuration includes a fan unit for operation across this temperature range.

The supplied specifications also identify ISA Standard G3 corrosive gas resistance. Installation should therefore maintain the environmental conditions specified for the ProSafe-RS system.

Frequently Asked Questions

Q: What processor is used in the Yokogawa SSC60D-F2542?

A: The supplied specifications identify a MIPS R5000 Processor with 128 MB of main memory.

Q: What communication interface does the SSC60D-F2542 provide?

A: The unit provides a dual-redundant Vnet/IP interface with 100 Mbps full duplex communication.

Q: What power supply does the SSC60D-F2542 use?

A: The supplied configuration specifies a 24 VDC power supply. The actual power consumption is not provided in the supplied data.

Field Installation Guidelines

1. Install the SSC60D-F2542 in the designated rack position and secure it according to the applicable Yokogawa installation procedure.
2. Confirm the 24 VDC power supply configuration before connecting the power wiring.
3. Verify power polarity, protective grounding, and isolation requirements before energizing the controller.
4. Connect the redundant Vnet/IP communication paths according to the approved system network configuration.
5. Keep redundant communication paths physically separated when the system design requires independent routing.
6. Connect supported safety node units through the ESB bus according to the ProSafe-RS hardware configuration.
7. Keep the integrated fan unit and ventilation openings free from obstruction.
8. Confirm that the installation environment remains within -20 deg C to +70 deg C.
9. Verify the required ISA Standard G3 environmental conditions before installation in corrosive environments.
10. Before commissioning, check power status, processor status, network communication, redundancy status, and system diagnostics.