ABB Rellon 620 Series - End Delay; Device Address; ASDU Address

Section 3 1MAC306892-MB C
Vendor-specific implementation
18 RER620
Communication Protocol Manual
In the balanced mode, ClientIP is the address where the protective relay tries to connect
when the communication is started. Once connected, the communication continues with
that client.
In the unbalanced mode, ClientIP defines the address from where the client's
communication initiative is accepted. If the protocol instance's ClientIP setting does not
match with the client's, the protective relay does not respond.
3.6.3 End delay
• Min: 0
•Max: 20
• Default: 4
• Unit: characters at the current baud rate
The setting defines the maximum allowed time between the characters in the IEC101
frame. If this setting is too low, the protective relay may interpret incoming message as
multiple frames, which causes discarding of the frame. If the link uses, for example, radio
modem, it might be needed to adjust the End delay setting to a higher value. The delay time
is defined in characters at the current baud rate.
3.6.4 Device address
• Min: 1
• Max: 255/65535
• Default: 1
The Device address is the identification number of the device. This setting must match the
address defined in the client configuration. The maximum value of this setting depends on
the link address length.
3.6.5 ASDU address
• Min: 1
• Max: 255/65535
• Default: 1
Each device on the communication network has a common address of ASDU. ASDU
address must match the address defined in the client configuration. The maximum value
of this setting depends on the ASDU address length.
Applicable for IEC 60870-5-101 only.