Ethernet IP Datalink Attributes - Metasys - LIT-12011964 - Software Application - System Configuration Tool - 13.2

Metasys SCT: System Configuration Tool Help

Brand
Metasys
Product name
System Configuration Tool
Document type
User Guide
Document number
LIT-12011964
Version
13.2
Revision date
2020-01-21
Language
English

This object contains attributes common to many Metasys system objects. These common attributes are described in the Common Object Attributes section. This section includes attributes of the Focus/Configuration tab, the Diagnostics tab (if applicable), and any other tab specific only to this object. See the Object and Feature Tabs section for information on the attributes that appear on the other tabs of this object (for example, the Hardware and Options tab appear on point objects). Attributes that are marked with a letter C are configurable and attributes marked with the letter W are writable.

Table 1. Ethernet IP Datalink Attributes - Focus/Configuration Tab

Attribute Name

Notes

Initial Value

Description

Address Length

 

6

Indicates the number of octets for the device address (Data Link Address).

APDU Retries

C,W

4

Indicates the maximum number of times that an APDU is retransmitted. If the device does not perform retries, it is set to zero. If this value is greater than zero, a non-zero value appears in the APDU Timeout attribute.

APDU Segment Timeouts

C,W

10000

Indicates the amount of time in milliseconds between retransmission of an APDU segment. This value is non-zero if the device supports segmentation of transmitted APDUs. Units = milliseconds

Note: At Metasys Release 10.0 and later the default value is 10,000. In earlier releases the default value is 4,000.

APDU Timeout

C,W

10000

Indicates the amount of time in milliseconds between retransmissions of an APDU requiring acknowledgment for which no acknowledgment has been received.

Units = milliseconds

1,000–65,535

Note: At Metasys Release 10.0 and later the default value is 10,000. In earlier releases the default value is 6,000.

BACnet UDP Port

 

47808

Indicates the UDP Port number that the device uses to transmit and receive messages.

Broadcast Address

   

Indicates the address used when sending broadcast messages. Maximum length = 6 octets

Device Address

   

Indicates the address of the device (Data Link Address). Maximum length = 6 octets

Internode Comm Timer

C,W

120

Controls the frequency of communication with IP devices over the Ethernet. Among other communications, this attribute defines the frequency of the heartbeat to monitored devices (monitored at a rate of two times the Internode Comm Timer). Recommended settings: high sensitivity: 30 seconds; medium sensitivity: 120 seconds (default); low sensitivity: 240 seconds.

Note: If you change the value of this attribute, you must reset the network engine for the new settings to take effect.

Max APDU Length

C,W

1024

Indicates the maximum number of bytes that may be contained in a single, indivisible application layer protocol data unit.

Units = bytes

Network Address

C,W

1001

Indicates the BACnet network address of this data link.

Table 2. Ethernet IP Datalink Attributes - Diagnostic Tab

Attribute Name

Data Type

Description

Broadcast Receives

Number

Indicates the number of broadcast messages received.

Broadcast Transmits

Number

Indicates the number of broadcast message transmissions.

Discarded Frames

Number

Indicates the count of received messages discarded due to critical low resources (that is, the System Memory Resource, Object Engine Queue Resource, or Protocol Engine Input Queue Resource).

Message Receives

Number

Indicates the number of messages received.

Message Transmits

Number

Indicates the number of message transmissions.

Reset Date

Date

Indicates the date of the last Clear Statistics command.

Reset Time

Time

Indicates the time of the last Clear Statistics command.

Retry Attempts

Number

Indicates the number of retry attempts.

Transmit Failures

Number

Indicates the number of message transmit failures.