ABB REB650 Manual page 43

Relion dnp, 650 series version 2.2

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Table of Contents

1MRK 511 419-UUS A

1.4 Link layer

1.4.8 Maximum number of octets transmitted in a data link frame: This number includes the CRCs. With a length field of 255, the maximum

size would be 292.

1.4.9 Maximum number of octets that can be received in a data link frame: This number includes the CRCs. With a field length of 255, the

maximum size would be 292. The device must be able to receive 292 octets to be compliant.

Table 7:

Application layer

1.5 Application layer

1.5.1 Maximum number of octets transmitted in an application layer fragment other than file transfer: This size does not include any transport

or frame octets.

– Masters must provide a setting less than or equal to 249.

– Outstations must provide a setting less than or equal to 2048.

Note: The current value of this outstation parameter is available remotely using protocol object Group 0 Variation 240.

1.5.2 Maximum number of octets transmitted in an application layer fragment containing file transfer:

1.5.3 Maximum number of octets that can be received in an application layer fragment:

– Masters must provide a setting greater than or equal to 2048.

– Outstations must provide a setting greater than or equal to 249.

Note: The current value of this outstation parameter is available remotely using protocol object Group 0 Variation 241.

Table continues on next page

650 series 2.2 ANSI

Point list manual

Capabilities

○ None

○ Fixed at

● Configurable, range 0 to 255

○ Configurable, selectable from ____,____,____