Automation and remote terminal units

Automation and remote terminal units - SICAM A8000 Series - side view

SICAM A8000 Series

The SICAM A8000 series is a modular device range for telecontrol and automation applications in all areas of energy supply. This device series was developed to fulfill the requirements of a broad field of applications. The most important features are: Suitable for rough ambient conditions thanks to mechanically stable modules and an extended temperature range from -40 to +70 °C. High voltage strength up to 5kV (IEC 60255) for use directly in substations. Fulfills tomorrow’s cyber security requirements with BDEW White Paper conformity, integrated crypto chip and IPSec encryption. Integrated communications interfaces incl. GPRS “on board”. Automation functions (IEC 61131-3), e.g. for controlling a regulated distribution transformer or for load control. Space-saving design with a module width of 30mm (without display for CP) Scalable by combining individual I/O modules. Long product life cycle and high investment security by using standards as IEC 61850.

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Manage current tasks and create future opportunities

Digitalization and decentralization are transforming the energy landscape right down to its very foundations and at amazing speed. That’s why Siemens provides smart solutions that help exploit for the benefit of grid operators what appears to be a challenge: digitally enabled products, solutions, and services that enhance the operation of grids of any size with valuable information, this way ensuring economic and energy efficiency, reliability and resilience, and a higher degree of sustainability. 

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Features & functions

Automation and remote terminal units SICAM A8000 Series

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Compact device

 
 
Dimension
124 x 128 x 123 mm (H x W x D)
Temperature range
Variant 1 -25 °C to 70 °C
Variant 2 -40 °C to 70 °C
Interfaces
2 x RJ45 (Ethernet)
1 x RS 232
1 x RS 485
Memory
SD Card up to 2 GB
Data Points
20000
Features

Integrated Power Supply
12 DI, 8 DO integrated
max. 116 I/O (max. 6 Expansion Modules)

Integrated Function Keys and Display

Processor modules

 
 
Dimension
132 x 30 x 142 mm (H x W x D)
Temperature range
-40 °C to 70 °C
Interfaces
2 x RJ45 (Ethernet)
1 x RS 232 (RJ45)
1 x RS 485 (8-pole plug)
Memory
SD Card up to 2 GB
Data Points
20000
Distributed archive

available

 
 
Dimension
132 x 30 x 142 mm (H x W x D)
Temperature range
-40 °C to 70 °C
Interfaces
2 x RJ45 (Ethernet)
1 x RS 232 (RJ45)
1 x RS 485 (8-pole plug)
1 x RS 232 / 485 (selectable)
1 x GPRS
Memory
SD Card up to 2 GB
Data Points
20000
Distributed archive

available

 
 
Dimension
132 x 30 x 142 mm (H x W x D)
Real Time Clock
up to 72 h
Interfaces

2 x RJ45 (Ethernet)

1 x RJ45 (serial RS-232)

1 x RJ45 (serial RS-485)

Optionally with additional CI modules

+ 30 interfaces (serial) or

+ 10 interfaces (Ethernet) or

+ 5 interfaces (Ethernet) + 25 interfaces (serial)

Memory
Internal FLASH 2 GB
RAM 512 MB ECC saved
Optional SD card to 2 GB
Data Points
400 000
Communication
Max. 24 communication protocols
on one CP-Unit simultaneously 

Power supply modules

 
 
Dimension
132 x 30 x 142 (H x W x D)
Operating voltage
PS-8620: DC 24...60 V
PS-8622: DC 110...220 V
Output voltage 1

U out1 DC 5.15 V

± 2% static
± 3% dynamic (0.9A load change)

Output current 1
0A - 1.8A
Output voltage 2
U out2 DC 28.0 V
± 10% static
± 3% dynamic (0.2A load change)
Output current 2
0A - 0.43A
 
 
Dimension
132 x 30 x 142 (H x W x D)

Operating voltage
24 to 60 VDC
Output power
out 45 W
 
 
Dimension
132 x 30 x 142 (H x W x D)
Operating voltage
DC 110...220 V, AC 230 V
Output power
P out 45 W
Output voltage for external modem or signal voltage
DC 24 V/10 W

Communication modules

 
 
Dimension
132 x 30 x 142 (H x W x D)
Temperature range
-25 °C to 70 °C

Interfaces

 

Max. two modules selectable
5 x Ethernet per module

Switch functionality

 

 

 

Free configurable
Firewall intergrated
RSTP, HSR, PRP
 
 
Dimension
132 x 30 x 142 (H x W x D)
Temperature range
-25 °C to 70 °C

Interfaces

 

5x serial per module

In combination with CP-8050 max. 6x CI-8551

In combination with 1x CI-8520 max. 5x CI-8551

3x RJ45 (2x RS-232, 1x RS-485)

2x Push in terminal 8-pole (switchable RS-232/485/422)

Protocols

 

 

 

o IEC60870-5-101

o IEC60870-5-103

o Modbus RTU Master/Slave

o DNP3.0 Slave 

Expansion module

 
 
Dimension
132 x 30 x 142 (H x W x D)
Interfaces
2 x Ethernet
I/O-Interface extended
Max. 8x I/O-Module
Operating voltage
CI-8530: DC 24 to 60 V
incl. tolerance
CI-8532: DC 110 to 220 V
incl. tolerance
Output voltage 1
U out1 DC 5.15 V
± 2% static
± 3% dynamic
Output voltage 1
U out2 DC 28.0 V
± 10% static
± 3% dynamic

I/O modules

 
 
 
 
 
Dimension
132 x 30 x 142 (H x W x D)
 
 
 
16 binary inputs
2 groups with 8 inputs each
 
DI-8110
DI-8111
DI-8112
DI-8113
Rated voltage
DC 24 V
DC 48/60 V
DC 110 V
DC 220 V
Max. operating voltage
DC 31 V
DC 78 V
DC 143 V
DC 253 V 
Current consumption
< 5 mA
< 3 mA
< 1.5 mA
< 1 mA
 
 
 
Dimension
132 x 30 x 142 (H x W x D)
 
8 binary outputs
4 groups with 2 outputs each; galv. isolated
Rated voltage
DC 24/48/60/120/220 V; AC 110/230 V
Maximum continuous current
 
Standard circuity
8 outputs, each max. 3 A (5 A/1 minute)
Circuity with derating
see manual SICAM IO Modules
Switching capacity
Direct Voltage
Alternating Voltage
 
Min. 50 mW at DC 5 V
max. 1250 VA;
AC 5A/250 V, resistive load
max. 500 VA;
AC 2A/250 V cosφ = 0.4
 
 
Dimension
132 x 30 x 142 (H x W x D)
Inputs
4, galvanically isolated
Temperature sensors
Pt100
Pt1000
Ni100
Measureing
2-wires, 3-wires, 4-wires
Accuracy
0,19 % to 25 °C
Resolution
11 mΩ or 110 mΩ
Power supply
Max. 0,8 W
(over internal bus)
 
 
Dimension
132 x 30 x 142 (H x W x D)
4 analog inputs
4 groups of one input each; galvanically isolated
Measurement range
Current measurement -20...0...+20 mA
Voltage measurement -10...0...+10 V
Resolution
0.004% referred to measuring range value
Accuracy
0.15% at 25 °C
 
 
Dimension
132 x 30 x 142 (H x W x D)
Inputs for measuring currents
 
Input voltage at I N
225 mV as per IEC 60044-8
Max. measurement voltage
200% I
Rated frequency
45 to 65 Hz
Resolution
16 bit
Sampling
20 values per system period
 
 
Dimension
132 x 30 x 142 (H x W x D)
Inputs for measuring voltage   
 
Input voltage
AC 100/√3 V, AC 230 V, AC 400/√3 V
(parameterizable)
Max. measurement voltage
150% U
Rated frequency
45 to 65 Hz
Resolution
16 bit
Sampling
20 values per system period
Intrinsic consumption
< 0.3 VA at U = 230 V
< 0.02 VA at U = 110 V/√3
 
 
Dimension
132 x 30 x 142 (H x W x D)
Inputs for measuring currents
 
Input voltage at I N
225 mV as per IEC 60044-8
Max. measurement current
200% I
Rated frequency
45 to 65 Hz
Resolution
16 bit
Sampling
20 values per system period
Internal impedance
200 kΩ
 
 
Dimension
132 x 30 x 142 (H x W x D)
Inputs for measuring voltage   
 
Input voltage
AC 3.25/√3 V
Max. measurement voltage
150% U
Rated frequency
45 to 65 Hz
Resolution
16 bit
Sampling
20 values per system period
Internal impedance
200 kΩ
 
 
Dimension
132 x 30 x 142 (H x W x D)
4 analog outputs
all outputs galvanically isolated
Output current
-20...0...+20 mA at max. 500 Ω
-10...0...+10 mA at max. 1 kΩ
Output voltage
-10 at 0 +10 V at min. 1 kΩ
Accuracy
0.3 % at 25 °C
0.4 % at 0 to 50 °C
0.7 % at -20 to 70 °C
0.8 % at -40 to 70 °C
 
 
Dimension
132 x 30 x 142 (H x W x D)
Inputs for measuring currents
 
Rated current I N
1 A /5 A (parameterizable)
Max. measurement current
200% I
Rated frequency
45 to 65 Hz
Intrinsic consumption
16 bit
Thermal with stand capability
20 values per system period
 
 
Outputs for measuring currents
 
Rated voltage at I N
225 mV acc. to IEC 60044-8
Max. voltage
450 mV
Rated frequency
45 to 65 Hz
 
 
Dimension
132 x 30 x 142 (H x W x D)
Power consumption
< 0,6 W
Vizualization
up to 8 x SICAM A8000 I/Os
Usable
for all SICAM A8000 master modules (CP-8000/21/22/50) and for remote I/O rows with CI-853x

Precisely tailored to the application. Individual tasks and application scenarios require modules that can be freely combined in nearly any way. Thanks to the different performance levels of the processor modules and the universal expansion modules, the SICAM A8000 series is nearly continuously scalable and can be expanded at any time.

 

Example 1: High performance and many interfaces for complex tasks

  • Automation tasks in power distribution and transmission, micro-grids
  • Control functions in hydroelectric power stations, including the turbines themselves
  • Control and communication in railway power supply
  • As a communication gateway for various networks and protocols

Example 2: Everything in view with the compact solution on site

  • For use in distribution automation
  • Optimized for use in MV switchgear
  • Load-flow control available

Example 3: Space-saving design with no display and a slim CP module

  • Grid connection for solar and wind farms
  • Control and monitoring of electricity and gas distribution stations
  • Simple gateway function

Power Quality

Ensuring power quality in a phase of energy transition

 

Increasing power feed-in from renewable resources poses new challenges for municipalities and distribution system operators 

 

The stable supply of electric power is any grid operator’s top priority. To avoid fluctuations in power quality and prevent disturbances, grid monitoring, control, and automation systems need to be adapted and optimized across all voltage levels.

Power Generation

Maintaining control of distributed power producers 

 

Ensuring grid stability is becoming increasingly complex 

 

The vast number of small distributed power producers calls for new strategies to ensure consistent power quality. Identifying, locating, and eliminating disturbances and faults as well as the flexible, quick balancing of power production and load consumption require integrated hardware and software solutions that work smoothly together.

Grid Resilience

Intelligent technologies for stable grids 

 

Automation solutions and remote control technology enhance the reliability of distribution grids 

 

Despite every effort, grid disturbances and faults can never be entirely eliminated. This is why control room personnel must be enabled to work quickly and effectively to resolve problems in a targeted manner. Comprehensive automation and remote-control solutions optimize these capabilities.

Transparency

More data, increased transparency 

 

Modern electrical grid components deliver, process, and analyze data 

 

One consequence of digitalizing power grids is the steadily growing volume of captured data. These vast quantities of data harbor valuable information that describes the state of the grid, enables advanced computational analysis of changes, and can improve the performance and extend the service life of assets. The hardware and software from Siemens needed for this fulfills all the requirements.

Investment savings

Efficient grid expansion

 

A combination of robust technology and digital innovations leads to increased efficiency 

 

Maintaining or even increasing grid performance is becoming ever more challenging. With growing efforts, expenses grow as well. Innovative technologies and smart data usage can help municipalities and DSOs to master these challenges and to increase their competitiveness.

Unplanned outages

Keeping your grids up and running 

 

Using sophisticated tools and solutions for fast grid restoration 

 

Unplanned outages cannot always be avoided. Flexible solutions for local and remote monitoring enable the fast and efficient restoration of cable grids and overhead lines.

Operational savings

Optimizing business operations 

 

Comprehensive and efficient ways for municipalities and DSOs to get the most out of their operating costs. 

 

The growing demand for power from industries and households can be fulfilled simply. With modern technologies and innovative solutions such as optimized voltage and capacity management, self-healing grids, and by avoiding losses of any kind.

Microgrid Controller

SICAM Microgrid Controller 

 

Maximum security in operating microgrids 

 

Microgrids are a reliable alternative when autonomous power supply is needed, such as on islands, or when optimizations are required for higher level grids or supply costs. With grid-connected operation, microgrids enable energy to be reliably provided from renewable sources, at both high-peak and low-peak times. They can also influence reactive power and help save money by regulating the maximum power demand or infeed. Microgrids offer high reliability and improved energy quality. And they have a further advantage: Microgrids can operate independently of the higher-level grid.

  • Platform modularity for versatile application options and reduced inventory.
  • Extended temperature range of -40°C to +70°C for rough ambient conditions.
  • Highest EMC stability up to 5 kV (IEC 60255).for direct use in substations.
  • Integrated short-circuit indicator functionality.for use in cable network monitoring.
  • Use of international standards such as IEC 61850 for high investment security.
  • Integrated crypto chip and IPSec encryption to fulfill the high cyber security requirements.
  • Multitude of interfaces and integrated GPRS module for simple adaptation to existing communication infrastructures.
  • Integrated web parameterization tool for simple engineering.
  • Plug-and-Play functionality of the modules for time and cost savings.

 

The SICAM A8000 series supports a smart 3-stage approach for grid optimization: 

  1. Monitoring: The first stage focuses on the monitoring of stations to enable rapid fault localization and high availability. 
  2. Telecontrol: The second stage involves switchgear telecontrol in addition to monitoring, thus minimizing downtime. Thanks to this application, fault isolation and power supply restoration of de-energized network sections are no longer difficult tasks for power supply utilities.
  3. Load flow control: In the third stage, the effects of decentralized power feed-ins are managed via automation. Network losses can be significantly reduced this way.
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