System Overview
42 Unrestricted SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual
DC8-037-2.02, Edition 10.2017
2.1.4 I/O Master Module
The virtual I/O Master Module serves for the acquisition or output of process signals and per-
forms the process-compliant adaptation, monitoring and processing of the process signals at
each point of entrance or exit of the system. Its functionality is provided by means of a
loadable and parameter-settable firmware.
Features
• Support of I/O Modules
─ CP-8000: 2 internal and up to 6 external I/O Modules (maximal 116 I/Os)
─ CP-802x: up to 8 external I/O Modules (maximal 128 I/Os)
• Acquisition and preprocessing of process data according to IEC 60870-5-101/104 with and
without time tag
─ Transmission of process information to the telecontrol function (for further distribution)
and to the open-/closed-loop control function (for further processing)
− Single-point and double-point information items
− Count pulses
− Measured values
─ Transmission of system information (example: diagnosis data)
• Postprocessing and output of process data according to IEC 60870-5-101/104
─ Reception of process information from the telecontrol function and from the open-/closed-
loop control function
− Single-point information items
− Single-point and double-point commands
− Setpoint commands
─ Reception of system information (example: parameters)
• Test functions for process signals
• Secured data exchange with the I/O Modules
• Supervision of the I/O Modules and failure handling
• Status for process signals via display (CP-8000 only)
• Error display via LED
Product Overview
Type Designation
USIO80 Firmware Universal Signal Input and Output for the connection of
SICAM TM I/O Modules (only with CP-8000)
USIO81 Firmware Universal Signal Input and Output for the connection of
SICAM I/O Modules
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