Modbus Master configuration settings - Grid automation - Communication Protocol Manual - REC615 Grid Automation - Relion 615 series - PCL1 - IEC - ANSI

REC615 Modbus Master Communication Protocol Manual

Table 1. Modbus Master Non group settings
Parameter Values (Range) Unit Step Default Description
Operation

1=on

5=off

5=off elects if this protocol instance is enabled or disabled
Port

1=COM 1

2=COM 2

1=COM 1 Port selection for this protocol instance. Select between serial and Ethernet based communication.
Mapping selection 1...5 1 1 Chooses which mapping scheme will be used for this protocol instance.
Link mode

1=RTU

2=ASCII

1=RTU Selects between ASCII and RTU mode
Parity

0=none

1=odd

2=even

2=even Parity for the serial connection. O/E uses 1 stop bit and N uses 2 stop bits respectively.
Start delay 0...20 1 4 Start delay in character times for serial connection
End delay 0...20 1 4 End delay in character times for serial connections
CRC order

0=Hi-Lo

1=Lo-Hi

0=Hi-Lo Selects between normal or swapped byte order for checksum for serial connection. Default: Hi-Lo.
Rx Timeout 20...60000 ms 1 1000 Receive timeout
Max. Retry Count 0...10 1 3 Maximum retry count
Recheck timeout 5...10800 s 1 30 Recheck timeout for unresponsive slaves
Inter poll delay 20...1000 ms 1 100 Additional delay between polling requests
Prtl customization 0...2147483647 1 0 Customization parameter. Please, refer to the protocol manual