Camille Bauer SIRAX B 811 Skrócona instrukcja obsługi

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Plug-in Module SIRAX B 811

Power Pack with Additional Functions

for intelligent and conventional

2-wire transmitters

Application

The power supply unit SIRAX B 811 (Fig. 1) provides the DC power

supply for 2-wire transmitters and transfers the measured variable

unchanged to the electrically insulated output.

Conversion to a different signal range such as 0...5 mA or

1...5 V (signal converter) is also possible.

Some versions of the SIRAX B 811 are designed for FSK

munication. They are used in conjunction with "intelligent" 2-wire

transmitters which are capable of dialogue and operation according

to the FSK principle and the HART or user-specific protocol.

The series also includes "intrinsically safe" versions [EEx ia] IIC with

an intrinsically safe measurement/supply circuit. These operate

in conjunction with intrinsically safe 2-wire transmitters located in

explosion hazard areas.

Provision is made for monitoring the measurement/supply circuit

to detect short and open-circuits. Either of these faults is signalled

by the fault signalling relay AF and the red LED. The output sig-

nals A1 and A12 can be set on the DIP switches to have a linear

increasing or decreasing response.

The power pack fulfils all the important requirements and regula-

tions concerning electromagnetic compatibility EMC and Safe

Isolation (IEC 1010 resp. EN 61 010). It was developed and is

manufactured and tested in strict accordance with the quality

assurance standard ISO 9001.

Production QA is also certified according to guideline 94/9/EG.

Features / Benefits

● Power pack plugs onto backplane (mechanically latched by fasteners),

all electrical connections made to the backplane and not to the

SIRAX B 811 / Thus no wiring when replacing devices

● Designed for FSK communication, hand-held terminal connected to

separate terminals. This facilitates operation in conjunction with an

"intelligent" 2-wire transmitter designed for FSK and with a HART or

user-specific protocol

● Electrically insulated between input circuit, output and power supply /

Fulfils IEC 1010 resp. EN 61 010 Part 2

● AC/DC power supply / Universal

● Available in type of protection "Intrinsically safe" [EEx ia] IIC

(see "Table 5: Data on explosion protection")

● Measurement/supply circuit monitored for open and short-circuits /

Faults signalled by red LED, signalling relay and/or device failure

signal

Camille Bauer

0102

com-

Fig. 1. Plug-in module SIRAX B 811 for plugging onto backplane

BP 902.

● Output can be switched between 0...20 mA and 4...20 mA / Universal

matching to suit downstream device

● Green LED signals a power supply failure

Technical data

Input circuit (MSK)

Signal range I

Supply voltage U

24 V ± 7%

> 16.9 V

> 16.4 V

FSK = Frequency Shift Keying

Data sheet B811-6 Le – 09.07

II (1) G

4...20 mA DC

(at I

= 20 mA):

with standard (non-Ex) version,

not designed for communications protocol

with standard (non-Ex) version,

designed for FSK communication

with Ex versions,

not designed for communications protocol

with Ex versions,

designed for FSK communication