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Omicron CMS 356 User Manual

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Summary of Contents for Omicron CMS 356

  • Page 1 CMS 356 User Manual...
  • Page 2 However, OMICRON does not assume responsibility for any inaccuracies which may be present. The user is responsible for every application that makes use of an OMICRON product. OMICRON translates this manual from the source language English into a number of other languages.

  • Page 3: Table Of Contents

    Preface ..........................6 Safety Instructions ......................7 1 Designated Use ......................10 2 Introduction ........................11 3 Operating CMS 356 ...................... 11 System Components....................11 Safe Use of the Connecting Cables ................12 3.2.1 Test Lead Adapter for Non-Safety Sockets ..............12 3.2.2...
  • Page 4 Three-Phase Current Mode with High Burden............56 Operation with Multiple CMS 356................57 8 Troubleshooting ......................59 CMS 356 Switches Off its Outputs................59 CMS 356 Automatic Restart Behavior ............... 59 Miscellaneous Problems..................... 59 Open Source Software License Information..............60...
  • Page 5 Table of Contents Support..........................61 Index ........................... 62...

  • Page 6: Preface

    Its purpose is to help you avoid danger, repair costs, and down time as well as to help maintain the reliability and life of CMS 356. This manual is to be supplemented by existing national safety standards for accident prevention and environmental protection.

  • Page 7: Safety Instructions

    Before operating the CMS 356 amplifier, carefully read the following safety instructions. Only operate (or even turn on) CMS 356 after you have read this user manual and fully understood the instructions herein. CMS 356 may only be operated by trained personnel. Any maloperation can result in damage to property or persons.

  • Page 8: Operator Qualifications

    Follow the instructions in chapters 3.2 and 3.3 that describe the safe use of the connecting cables and how to set CMS 356 into operation. • CMS 356 must only be used from a power outlet that has a protective earth. •...

  • Page 9: Changing The Power Fuse

    For applications with DC current: The load may not exceed 3 mH because of dangerous feedback current. • When setting up CMS 356, make sure that the air slots on the back, top, and bottom of the test set remain unobstructed. •...

  • Page 10: Designated Use

    You can use CMS 356 as an additional amplifier operating as a component in a test system setup with OMICRON software and a CMC test set. Just as well, you can use CMS 356 in a setup where the signals to be amplified are generated from a digital real-time power system simulator.

  • Page 11: Introduction

    There are also other OMICRON software packages like RelaySimTest that control the CMC test set. Just as well, you can use CMS 356 in a setup where the signals to be amplified are generated from a digital real-time power system simulator.

  • Page 12: Safe Use Of The Connecting Cables

    Safe Use of the Connecting Cables 3.2.1 Test Lead Adapter for Non-Safety Sockets The CMS 356 includes flexible test lead adapters of 5 cm/2 " length with a retractable sleeve (6 x black, 6 x red). Retractable sleeve These test leads are to be used as adapters, only. They are intended to make the 4 mm/0.16 "...

  • Page 13: Regular Test Leads For Safety Sockets

    3.2.2 Regular Test Leads for Safety Sockets Use the regular test leads of 2.0 m/6 ft. length to connect the CMS 356 output to other safety sockets of, for example, amplifiers, test objects or to banana adapters in control cabinets.

  • Page 14: M4 (0.15") Cable Lug Adapters

    ↔ M4 (0.15") cable lug adapter The M4 cable lug adapters have blank ends. Turn off both CMS 356 and any possible power source applying voltage or current to the screw-clamp terminals. Only then connect the cable lug adapter. Always insert the adapter with its blank end first into the screw-clamp terminal.

  • Page 15: Generator Combination Cable

    The following description assumes that the computer has been set up and that the CMS 356 installation package has been installed. At this point of time you may want to have a look at the CMS 356 Getting Started manual. This manual guides you through the first steps and actions with CMS 356 web interface.
  • Page 16 USB ETH 1. Connect CMS 356 to the power supply. 2. If CMS 356 requires a new configuration or the CMS 356 status should be monitored by the web interface, then connect the CMS 356 via Ethernet, WiFi or USB to your computer (USB and ETH ports are at the CMS 356’s rear side).

  • Page 17: Setup And Function

    4 × voltage (300 V). two galvanically separated three-phase current outputs (6 × 32 A). • The following input signals can be amplified by the CMS 356 internal current and voltage power amplifiers: 6 analog low level signals. 2 Sampled Values streams received on a network port.

  • Page 18: Block Diagram

    CMS 356 User Manual Block Diagram Figure 4-1: Main block diagram of CMS 356 working isolation reinforced isolation reinforced isolation The block schematic diagram in figure 4-1 shows all externally accessible signals with gray shading. Every gray area represents a galvanic group that is isolated from all of the other galvanic groups.

  • Page 19: Voltage Output (Voltage Amplifier)

    Overload Warning Flagged When a voltage output is overloaded, a corresponding warning is displayed on the status LEDs of the CMS 356 front panel or in the Status page of the CMS 356 web interface (please refer to the web interface Help).

  • Page 20: Cpu

    Overload Warning Flagged When a current output is overloaded, a corresponding warning is displayed on the status LEDs of the CMS 356 front panel or in the Status page of the CMS 356 web interface (please refer to the web interface Help).

  • Page 21: Connections And Interfaces

    Connections and Interfaces 5 Connections and Interfaces Front Panel Connections Figure 5-1: Front view of CMS 356 VOLTAGE OUTPUT STATUS LEDs 4 x 300 V output of the One status LED per each voltage and current internal voltage amplifier; output.
  • Page 22 Figure 5-2: VOLTAGE OUTPUT Simplified diagrams of 4 x 300 V current and voltage outputs CURRENT OUTPUT A CURRENT OUTPUT B 3 x 32 A 3 x 32 A Figure 5-2 shows the non-operative state of CMS 356 when turned off.

  • Page 23: Generator Combination Socket For Voltage Output And Current Output

    CURRENT OUTPUT The combination socket CURRENT OUTPUT / VOLTAGE OUTPUT simplifies the connection of test objects to CMS 356. The three voltage outputs (VOLTAGE OUTPUT 1-3) as well as the CURRENT OUTPUT A are wired to the combination socket (→ table 5-1 on page 24).

  • Page 24: Status Leds

    Neutrik (www.neutrik.com) 5.1.2 Status LEDs On the front panel, CMS 356 has 10 status LEDs. Each LED corresponds to one of the CMS 356 amplifier outputs (VOLTAGE OUTPUT 1 ... 4 and CURRENT OUTPUT A & B 1 ... 3).

  • Page 25: Automatic Restart Behavior

    5.1.3 Automatic Restart Behavior 1. CMS 356 waits for approx. 10 seconds after turning off due to an error. 2. An internal CMS 356 hardware check is performed. 3. If the hardware check passes successfully, the last valid CMS 356 amplifier configuration is set, and the configured outputs are enabled.

  • Page 26: Connections On The Back Panel

    5.2.2 USB connection The USB port type A (the upper USB port) of the CMS 356 can be used to insert USB peripherals like a Wi-Fi stick. The USB port type B (the lower USB port) of the CMS 356 can be connected to your computer’s USB port.

  • Page 27: Button

    To start a new software image download, press the ! button with a pointed tool or a paper clip while powering-up CMS 356. In that case, the test set will not start as usual but wait for a new software image download.

  • Page 28: Ethernet / Network Settings

    Ethernet / Network Settings General To configure CMS 356 or to monitor its status, you need to open the CMS 356 web interface. For this, you can either directly connect your CMS 356 to the computer’s network socket with a cable or you connect CMS 356 and the controlling computer to a computer network.

  • Page 29: Selv Interfaces

    The low input signals supplied at “AMP. IN” are directly wired to the “AMP. OUT” connector. This process enables the connection of CMS 356 to another CMS 356, for example, for paralleling the output currents of two or more CMS 356.

  • Page 30: Technical Data

    CMS 356 User Manual 6 Technical Data Guaranteed Values: • General: The values are valid for the period of one year after factory calibration, within 23 °C ± 5 °C at nominal value and after a warm-up time greater than 25 min.

  • Page 31: Insulation Coordination

    Insulation of functional Working insulation groups on front panel from Clearance: > 1 mm (0.04 ") each other Creepage: > 1 mm (0.04 ") Test voltage: 1500 VDC 1. Functional groups on CMS 356 front panel: VOLTAGE OUTPUT, CURRENT OUTPUT (A, B)

  • Page 32: Outputs

    CMS 356 User Manual Outputs 6.3.1 Current Outputs Table 6-3: Outputs of current groups Current Outputs (Groups A and B) A and B Output currents Footnotes: 6-phase AC (L-N) 6 x 0 ... 32 A (Group A and B) 1.Data for three-phase...
  • Page 33 S: 64A (L-L) [VA] 1400 P: 64A (L-L) [W] S: 128A (LL-LN) [VA] 1200 P: 128A (LL-LN) [W] 1000 Output current in A Output Current [Arms] For additional information → chapter 7.1, "Single-Phase Operation of CMS 356" on page 50.
  • Page 34 Output current in A The high and low sensitive curves in figure 6-3 correspond to the overload detection sensitivity settings in the CMS 356 web interface. The low sensitive curves show the maximum available peak compliance voltage, which is mainly relevant for testing primary and electromechanical relays.
  • Page 35 Technical Data Figure 6-5: Typical continuous output current and output power at 23 °C; single-phase mode Current in A Figure 6-6: Typical continuous output current and output power at 23 °C; three- and six-phase mode Current in A The continuous operating range is given by the area below the curves in the figure 6-5 and 6-6 above.
  • Page 36 CMS 356 User Manual Table 6-4: Typical duty cycles for 6 x 32 A (L-N) 3 x 64 A (L-N) operation at ambient duty toff duty toff temperature of 23 °C cycle [min] cycle [min] 0 ... 25 0 ... 1200 100% >...

  • Page 37: Voltage Outputs

    Technical Data 6.3.2 Voltage Outputs Table 6-5: CMS 356 voltage outputs 4 Voltage Outputs Output voltages 3-phase AC (L-N) 3 x 0 ... 300 V Footnotes: 4-phase AC (L-N) 4 x 0 ... 300 V 1.a) V (t) automatically 1-phase AC (L-N) 1 x 0 ...

  • Page 38: Power Diagrams For Three- And Single-Phase Operation

    To get the maximum output power as shown in the power diagrams, you must limit the voltage output to the max. voltage (or slightly above) that has to be put out to the test object. You can configure the voltage output limit in the CMS 356 web interface. Figure 6-7: typical...

  • Page 39: Operational Limits In Conjunction With A Weak Power Supply Voltage

    6.3.3 Operational Limits in Conjunction with a Weak Power Supply Voltage Principally, the maximum output power of CMS 356 is limited by the power supply input voltage. If the supply input voltage is less than 115 V , it is...

  • Page 40: Low Level Inputs "Amp. In

    CMS 356 User Manual Low Level Inputs “AMP. IN” The SELV interface “AMP. IN” allows the connection of low level input signals that are amplified by the CMS 356 power amplifiers. Table 6-7: Low level inputs “AMP. IN” Low level inputs “AMP. IN”...

  • Page 41: Wiring "Amp. In" To "Amp. Out

    6.4.1 Wiring “AMP. IN” to “AMP. OUT” To route the analog input signals LL in 1-6 at “AMP. IN” to more than one CMS 356, the analog input signals are directly connected to “AMP. OUT”. Table 6-9: Pin assignment of “AMP.

  • Page 42: Iec 61850 Sampled Values Subscription

    PTP master is available in the defined network. Otherwise it will act as a PTP slave. Be aware that in this mode, the announced time is based on the CMS 356 internal time base and will not match the GPS time or similar time sources.
  • Page 43 Technical Data Specifications of the internal time base: Table 6-13: Internal time base Characteristic Specification specifications Clock performance Stratum 3 (ANSI/T1.101-1987) Frequency drift (over time) 24 hours < ±0.37 ppm (±0.000037 %) 20 years < ±4.60 ppm (±0.00046 %) Frequency drift (over <...

  • Page 44: Technical Data Of The Communication Ports

    CMS 356 User Manual Technical Data of the Communication Ports Note: The USB ports do not have any functionality yet. They are reserved for future use. Table 6-14: 2 x USB port and Ethernet ports ETH1/ETH2 USB type USB 2.0 high speed up to 480 Mbit/s...

  • Page 45: Environmental Conditions

    Technical Data Environmental Conditions 6.8.1 Climate Table 6-15: Climate Climate Operating temperature 0 ... +50 °C; above +30 °C a 50 % duty cycle may apply. Storage and transportation -25 … +70 °C Max. altitude 2000 m Humidity 5 … 95 % relative humidity; no condensation Climate Tested according to IEC 60068-2-78 6.8.2...

  • Page 46: Mechanical Data

    < 4 m 6.11 Cleaning To clean CMS 356, use a cloth dampened with isopropanol alcohol. Prior to cleaning, always turn off the power switch and unplug the power cord from the power supply.

  • Page 47: Safety Standards, Electromagnetic Compatibility (Emc) And Certificates

    Technical Data 6.12 Safety Standards, Electromagnetic Compatibility (EMC) and Certificates Table 6-19: EMC compatibility and certified safety standards Emission Europe EN 61326-1; EN 61000-6-4; EN 61000-3-2/3 International IEC 61326-1; IEC 61000-6-4; IEC 61000-3-2/3 47 CFR 15 Subpart B (Class A) of FCC EN 55032/CISPR 32 (Class A) Immunity Europe...

  • Page 48: Compliance Statements

    CMS 356 User Manual 6.13 Compliance Statements 6.13.1 Declaration of Conformity (EU) The product adheres to the specifications of the guidelines of the council of the European Community for meeting the requirements of the member states regarding the electromagnetic compatibility (EMC) Directive, the low voltage Directive and the RoHS Directive.

  • Page 49: Increasing The Output Power, Operating Modes

    CMS 356 in parallel. Note: The following output configuration examples represent a selection, only. For a complete list of possible configurations start the CMS 356 web interface and go to the Configuration page. In section Current Output...

  • Page 50: Single-Phase Operation Of Cms 356

    CMS 356 User Manual Single-Phase Operation of CMS 356 7.1.1 1 x 32 A High Burden Mode (L-L-L-L) 1 x 0 ... 32 A (±45 A ), max. 140 V , 1 x 1740 VA at 25 A peak Both amplifier groups CURRENT OUTPUT A and CURRENT OUTPUT B are connected in series.

  • Page 51: X 64 A High Burden And High Current Mode (L-L)

    Increasing the Output Power, Operating Modes 7.1.2 1 x 64 A High Burden and High Current Mode (L-L) 1 x 0 ... 64 A (±90 A ), max. 70 V , 1 x 1740 VA at 50 A peak The currents 1 and 2 of each group are phase-opposite. In addition, the groups A and B are connected in parallel.

  • Page 52: X 128 A High Current Mode (Ll-Ln)

    CMS 356 User Manual 7.1.3 1 x 128 A High Current Mode (LL-LN) 1 x 0 ... 128 A (±180 A ), max. 35 V , 1 x 1000 VA at 80 A peak Since the current over the N socket is limited to 32 A...

  • Page 53: Single-Phase Voltage

    Increasing the Output Power, Operating Modes 7.1.4 Single-Phase Voltage 1 x 0 ... 300 V, 1 x 200 VA [100 ... 300 V] typical Figure 7-4: Single-phase operation of Load the voltage system (L-N) 1’ N’ 1 x 0 ... 600 V, 1 x 275 VA [200 ... 600 V] typical Figure 7-5: Single-phase operation of Load...

  • Page 54: Two-Phase Operation

    CMS 356 User Manual Two-Phase Operation For some applications it is beneficial to have two independent currents, each higher than 32 A , or a higher compliance voltage available. 7.2.1 2 x 64 A High Current Mode (LL-LN) 2 x 0 ... 64 A (±90 A ), max.

  • Page 55: X 32 A High Burden Mode (L-L)

    Increasing the Output Power, Operating Modes 7.2.2 2 x 32 A High Burden Mode (L-L) 2 x 0 ... 32 A (±45 A ), max. 70 V , 2 x 870 VA at 25 A peak The currents 1 and 2 of each group are phase-opposite. Figure 7-7: Two-phase operation 2 x 32 A high burden mode...

  • Page 56: Three-Phase Current Mode With High Burden

    CMS 356 User Manual Three-Phase Current Mode with High Burden 3 x 0 ... 32 A (±45 A ), max. 70 V , 3 x 860 VA at 25 A peak For loads with three separate phases it is possible to double the available compliance voltage.

  • Page 57: Operation With Multiple Cms 356

    6 x 64 A (with 2 CMS 356) Caution While Paralleling Current Outputs of CMS 356 • You can parallel current outputs of several CMS 356 as long as the current outputs of these CMS 356 have the same configuration set- tings (web interface).
  • Page 58 5. In high current modes, always use wires with sufficient cross section. Do the high-current wiring from each CMS 356 to the test object separately as shown on figure 7-9 (left). (Not from CMS 356 “A” to CMS 356 “B” and finally to the test object.) 6.

  • Page 59: Troubleshooting

    Hardware errors detected during the hardware check. These reasons are indicated through the LEDs on the CMS 356 front panel. You can see the LEDs status in the Status page of the CMS 356 web interface. In the same page, the history section briefly describes errors occurred in the past.

  • Page 60: Open Source Software License Information

    OFTWARE ICENSE NFORMATION Parts of the CMS 356 amplifier software are under OMICRON license, other parts are under open source software licenses. Both the open source license texts and the necessary source code are provided in the OMICRON Open Source Download Area at www.omicronenergy.com/opensource/...
  • Page 61 OMICRON Academy – Learn More www.omicronenergy.com/academy Learn more about your product in one of the training courses offered by the OMICRON Academy. OMICRON electronics GmbH, Oberes Ried 1, 6833 Klaus, Austria, +43 59495...
  • Page 62 Certified safety standards ... . 47 Cleaning the CMS 356 ....46 Nominal supply current ....30 Connecting cables How to use safely .
  • Page 63 Current outputs ....32 Weight of CMS 356 ....46 Voltage outputs .
  • Page 64 ENU 1114 05 01...

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