BC7000L1000   Honeywell    Central control module
BC7000L1000   Honeywell    Central control module
BC7000L1000   Honeywell    Central control module

BC7000L1000 Honeywell Central control module

Brand:HONEYWELL  

Model numberBC7000L1000

Colour:new

Warranty: 12 months

Lead Time:3-day working day

Country of origin: USA

Price: Please contact us

Product weight:0.22kg

hipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account 

Servce: Professional Sales provides 24 hours /7 days online service

BC7000L1000   Honeywell    Central control module   


If multiple instruments need a ground reference the four positions of TB2 can serve as those ground points (assuming the JP17-JP20) jumpers are intact. If more than four grounding screws are needed then a custom wire from TB2 to a separate terminal block can allow for more grounding screw positions.

        

053440-01   Honeywell    Central control module Brand new


If the host device is not labelled or the polarity is not evident, some

experimentation may be necessary. The interface hardware can not

be damaged by reversing the polarity.

3.4.6 RS485 Connections

The System 57 interface supports up to 32 nodes connected to a

single RS485 highway. A secondary or backup highway is also available

if required. All A connections within a highway should be connected

together using one half of a twisted wire pair and all B connections

within the same highway should be connected together using the other

half of the twisted wire pair. Ideally the A and B connections should be

'looped through' each device. If a spur is necessary, the spur length

should be kept to a minimum at typically less than 1m (3ft). The data

ground return connection DGND of all devices must also be connected

together.

The voltage between the data grounds of the various devices must not

cause the common mode voltage rating of any device on the bus to be

exceeded. The data ground of each System 57 interface is isolated

from the System 57 ground to reduce earth loop current flow problems.

The cable screen should not be used as a data ground return and in

systems spread over a wide area the cable screen is best connected

to system ground at a single point only. A comprehensive wiring

example is shown in Figure 10.

3.4.7 RS422 Connections

The System 57 RS422 Interface supports up to 10 nodes connected to

a single RS422 highway. The host transmitter output connection A

should be connected to all device receiver inputs A’ using one half of a

twisted wire pair and the host transmitter output connection B should

be connected to all device receiver inputs B’ using the other half of the

twisted wire pair. The host receiver input connection A’ should be

connected to all device transmitter outputs A using one half of a

twisted wire pair and the host receiver input connection B’ should be

connected to all device transmitter outputs B using the other half of

the twisted wire pair. Ideally the A and B connections should be

‘looped through’ each device. If a spur is necessary, the spur length

should be kept at a minimum of typically less than 1m (3ft). The data

ground return connection DGND of all devices must also be connected

together.

The voltage between the data grounds of the various devices must not

cause the common mode voltage rating of any device on the bus to be

exceeded. The data ground of each System 57 interface is isolated

from the System 57 ground to reduce earth loop current flow problems.

The cable screen should not be used as a data ground return and in

systems spread over a wide area the cable screen is best connected

to system ground at a single point only. A comprehensive wiring

example is shown in Figure 11.


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We have the same series of models in stock. If you don't find the model you need, please contact us and we will provide you with an official quotation!

HONEYWELL    30750338-005    

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