Communication-capable Circuit Breakers

WL Circuit Breaker

Dataset 94 – Current Metering Values

Starting Address: 5E00 hex, Total Registers: 99, Access: Read Only (continued from the previous page)

 

 

 

 

 

 

 

 

 

Byte

Register

Description

 

 

 

Format

Length

Scale

 

 

 

Units

Min

Max

 

(Bits)

 

70

424100

Demand of the apparent power

kVA

13

8000

unsigned int

16

0

 

 

i. d. Phase L2

 

 

 

 

 

 

72

424101

Demand of the apparent power

kVA

13

8000

unsigned int

16

0

 

 

i. d. Phase L3

 

 

 

 

 

 

74

424102

Demand of the reactive power 3-phases

kvar

-8000

8000

signed int

16

0

76

424103

Reactive power in Phase L1

kvar

-8000

8000

signed int

16

0

78

424104

Reactive power in Phase L2

kvar

-8000

8000

signed int

16

0

80

424105

Reactive power in Phase L3

kvar

-8000

8000

signed int

16

0

82

424106

Real energy in normal direction

MWh

0

10000

unsigned long

32

0

86

424108

Real energy in reverse direction

MWh

0

10000

unsigned long

32

0

90

424110

Reactive energy in normal direction

Mvarh

0

10000

unsigned long

32

0

94

424112

Reactive energy in reverse direction

Mvarh

0

10000

unsigned long

32

0

98

424114

Demand of the power factor

PF

600

1000

signed int

16

0.001

100

424115

Power factor in Phase L1

PF

600

1000

signed int

16

0.001

102

424116

Power factor in Phase L2

PF

600

1000

signed int

16

0.001

104

424117

Power factor in Phase L3

PF

600

1000

signed int

16

0.001

106

424118

Frequency

Hz

1500

44000

unsigned int

16

0.01

108

424119

THD of the current

%

1

100

unsigned char

8

0

109

--

THD of the voltages

%

1

100

unsigned char

8

0

110

424120

Form factor

0

0

255

unsigned char

8

0.1

111

--

Crest factor

0

0

255

unsigned char

8

0.1

112

424121

Reserved

-

-

-

-

16

-

114

424122

Temperature in the cubicle

°C

-127

128

unsigned char

8

0

 

 

(detected in the COM16)

 

 

 

 

 

 

115

--

Temperature in the circuit breaker

°C

-20

85

unsigned char

8

0

 

 

(detected in BSS)

 

 

 

 

 

 

Bit Mapping for Breaker Status Register 413158

Byte

Register

Description

0

Bit 0

Breaker Open

0

Bit 1

Breaker Closed

0

Bit 2

Breaker Tripped (mechanical trip indication)

0

Bit 3

Breaker is ready to close

0

Bit 4

Storage spring is charged

0

Bit 5

1st auxillary release is operated

0

Bit 6

2nd auxillary release is operated

3/15

WL MODBUS Communication and Electronic Accessories • January 2005

Page 62
Image 62
Siemens UL1066, UL 489 specifications Bit Mapping for Breaker Status Register, Byte Register Description

UL 489, UL1066 specifications

Siemens UL1066 and UL489 are essential components in the landscape of electrical equipment, specifically in circuit protection and control. These standards ensure reliability, safety, and efficiency in various applications, including industrial, commercial, and residential settings.

The Siemens UL1066 is primarily focused on disconnect switches. These devices are designed to isolate electrical circuits, ensuring the safety of both personnel and equipment during maintenance or in case of faults. One of the key features of UL1066 disconnect switches is their high breaking capacity, enabling them to handle significant fault currents without failure. This characteristic is crucial in protecting downstream equipment from damage caused by short circuits. The UL1066 switches are also known for their robust construction, often featuring a metal enclosure that enhances durability and environmental resistance. Additionally, these switches can be operated manually or remotely, offering flexibility in operation and control.

On the other hand, Siemens UL489 circuit breakers provide comprehensive protection against overcurrents and short circuits. These devices not only interrupt fault currents but also protect connected devices from damage due to overload situations. Key features of UL489 circuit breakers include adjustable trip settings, which allow users to customize the response to overcurrent conditions based on specific application requirements. This adaptability makes them suitable for a wide range of environments, from large industrial plants to smaller commercial buildings.

Both UL1066 and UL489 products are constructed with advanced technologies, such as thermal-magnetic or electronic trip mechanisms in UL489 devices, ensuring precise and timely interruption of fault currents. These technologies promote energy efficiency and stability within electrical systems. In addition, many of these devices are equipped with indication features, providing clear visual status cues for quick assessment in emergency situations.

In terms of characteristics, both UL1066 and UL489 devices adhere to rigorous testing and certification processes to meet UL standards. This compliance assures users of their performance and reliability. Furthermore, the devices are designed to accommodate a wide range of operating temperatures and environmental conditions, making them versatile choices for various applications.

In summary, Siemens UL1066 and UL489 devices are paramount in ensuring safety and efficiency in electrical circuits. Their advanced features and robust construction make them indispensable in protecting both personnel and equipment in an array of industrial and commercial applications.