Siemens SIMEAS-T 7KG6111-2LK11-0B Manuale utente

Operating Instructions

Transducer without auxiliary power

for alternating current

for alternating voltage

for alternating voltage with expanded end range

7KG6111 and 7KG6101

Compact device for DIN rail mounting

Operating Instructions

A5E38679986C / RS-AB

Operating

Instructions

SIMEAS-T

SIMEAS-T - Transducer without auxiliary power

Safety instructions

These operating instructions contain the information required for the proper usage of

the products described therein. They are addressed to technically qualified personnel,

who are specially trained or have otherwise obtained the relevant know-how in

instrumentation and control engineering (in the following referred to as automation

engineering). The knowledge and technically correct implementation of the safety

instructions and warnings contained in this manual are required for safe installation and

commissioning, as well as for safety during operation and maintenance of the described

product. Only qualified personnel as stipulated overleaf have the specialized knowledge

to interpret the general safety warnings and instructions of this documentation in every

specific case and to implement them in practice.

These operating instructions are an integral part of the scope of delivery. For reasons of

clarity, they do not include all details about all model of the product described, and also

cannot take into account every conceivable type of installation, operation and

maintenance. If you would like additional information, or if particular problems arise

which are not covered in sufficient detail in the documentation, please ask for the

necessary information from your local Siemens office, or contact the address on the back

page of the operating instructions directly.

Furthermore, it should be noted that this product documentation is neither part of a

previous or existing agreement, commitment, or legal relationship nor does it modify

such a relationship in any way. All Siemens obligations derive from the respective sales

contract, which also contains the complete and exclusive warranty agreement This

warranty agreement is neither extended nor restricted by any statements in this manual.

WARNING!

When electrical devices are operated, certain parts necessarily conduct dangerous

voltages. If the safety warnings are not heeded, severe injury or

damage can occur.

Only appropriately qualified persons are permitted to work on this equipment.

Appropriate transport, storage, mounting, and installation, as well as careful operation

and service, are essential for the error-free, safe and reliable opera

tion of this

equipment.

Modules and devices are tested with regard to their dielectric strength at 5.55kV/3.7 kV.

Devices with voltages up to a maximum of 500 V (to ground) in the measuring circuit

must demonstrate double isolation to the secondary circuit

s. Devices with voltages

higher than 500 V (to ground) in the measuring circuit must demonstrate basic isolation

against the secondary circuits. This must be observed during the installation

(section 10 Mounting and operation) and use of the devices.

SIMEAS-T - Transducer without auxiliary power

QUALIFIED PERSONNEL

Unqualified intervention in the device/system or failure to heed the safety warnings in

this manual can lead to serious injury or material damage. Therefore, only suitably

qualified personnel are permitted to service this device/system. Qualified personnel in

the sense of the safety-related notices in these operating instructions or on the product

itself are persons who

•are either familiar with the safety concepts of automation engineering as

configuration personnel

•or have been trained to handle automation engineering equipment as operating

personnel and are familiar with the content of these operating instructions

•or are trained to repair such automation equipment as commissioning and service

personnel

or are authorized to commission, ground and label electric circuits and

devices/systems according to the standards of safety engineering.

NOTICE!

Always use the correct version of the transducer for your application. Ensure that the

operating data of your system corresponds to the values on the rating plate.

WARNING!

If you do not use the device in the manner described herein, the device protection may

be impaired.

SIMEAS-T - Transducer without auxiliary power

Safety instructions .............................................................................................................. 2

Operating Instructions.............................................................................................................. 7

1 Area of application ......................................................................................................... 7

2 Characteristic curves....................................................................................................... 7

3 Performance characteristics ............................................................................................ 8

4 Operating principle......................................................................................................... 9

5 Overview circuit diagram ................................................................................................ 9

6 Technical specifications ................................................................................................ 10

7 Rating plate symbols..................................................................................................... 12

8 Description................................................................................................................... 12

9 Ordering data............................................................................................................... 13

10 Mounting and operation.............................................................................................. 15

10.1 Installation ............................................................................................................ 15

10.2 Connection............................................................................................................ 15

10.3 Installation material ............................................................................................... 15

11 Commissioning ........................................................................................................... 16

12 Maintenance............................................................................................................... 16

13 Calibrating and testing ................................................................................................ 17

Subject to change without prior notice A5E38679986C / RS-AB

SIMEAS-T - Transducer without auxiliary power

Operating Instructions

1 Area of application

Transducers are used to convert different measured signals from high-voltage and low-

voltage systems into proportional output variables. In the power supply and distribution

industry, they are, for example, in areas where measured signals have to be transmitted

over large distances.

The passive SIMEAS transducers convert the alternating input voltage or the alternating

input current from the high-current power network (45 to 65 Hz) into a load-

independent direct output current.

Up to the maximum permissible load, multiple devices – recorders, indicators, remote

control systems, computers and controllers – can be serially connected and operated

directly or via long-distance lines to the output. The inputs and outputs are electrically

isolated. Auxiliary power supply is not needed.

The SIMEAS transducers must be installed in a closed system, such as a control cabinet.

2 Characteristic curves

SIMEAS-T - Transducer without auxiliary power

3 Performance characteristics

• High measuring precision

• Powerful output signal circuits

• High system safety and reliability

• CE mark

• Extremely high immunity to EMC interference

• Compliance with relevant national and international standards

• Electrical isolation at a high test voltage

• High quality, long service life

• Low price

• Short delivery times, standard types from stock

• Extremely small dimensions

SIMEAS-T - Transducer without auxiliary power

4 Operating principle

The transformer (1) transfers the input signal IEor UEvia the rectification and filtering (2)

to the signal evaluation (3), which drives the output amplifier (4). Fed by smoothing, the

output amplifier provides a load-independent current IAproportional to the input value IE

or UE. The protective circuit (5) protects the output against no-load and transient

overvoltage.

With an alternating voltage transducer with expanded end range, the expansion circuit

(6) of the measuring range is adjusted

5 Overview circuit diagram

Transformer

Rectification, filtering

Signal evaluation

Output amplifier

Protective circuit

Expansion circuit

SIMEAS-T - Transducer without auxiliary power

6 Technical specifications

Input

Only for connecting to alternating voltage systems!

Maximum voltage to earth

500 V ~

Power consumption of the measuring circuit

0.3 VA with IAN = 2.5 mA

0.4 VA with IAN = 5 mA

0.6 VA with IAN = 10 mA

0.9 VA with IAN = 20 mA

Permissible modulation range

1.2 I

or 1.2 U

Rated frequency fEN

50 Hz, 60 Hz

Frequency range f

45 Hz to 65 Hz

Curve form

Sine

Input transducer

Alternating current

Standard rated currents IEN

See ordering table

Continuous overload capacity

for IEN = 1 A; 1.2 A

for IEN = 1.5 A

for IEN = 2 A; 2.4 A

for IEN = 2.5 A

for IEN = 5 A; 6 A

for IEN = 7.5 A

for I

= 10 A

2 A

3 A

4 A

5 A

10 A

12 A

15 A

Surge overload capacity

for IEN = 1 A; 1.2 A; 1.5 A;

for IEN = 2 A; 2.4 A; 2.5 A

for IEN = 5 A; 6 A; 7.5 A; 10 A

50 A for 1 s

100 A for 1s

200 A for 1s

Input transducer

Alternating voltage

Standard voltage UEN

See ordering table

Special rated voltage U

in the range from 40 to 500 V

Continuous overload capacity

1.5x UEN but max. 600 V

Surge overload capacity

≤ 2x U

(5 surges 1s, in intervals of 5s)

Output

Output signal bipolar, short-circuit proof and resistant to no-load operation, optionally load-independent

direct current or load-independent direct voltage

Standard rated current I

2.5 mA; 5 mA; 10 mA; 20 mA

Special rated current IAN

in the range from 1 to 20 mA

Rated modulation range

0 to IAN

Permissible modulation range

0 to 1.2 IAN

No-load voltage U

≤ 30 V

Rated load RBIN

7.5 V/IAN

Operating load R

0 to 15 V/I

Residual ripple ISS ≤0.5% SS of IAN

Setting time tgg

– Transducer alternating current

– Transducer alternating voltage

≤ 1 s

≤ 0.4 s

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