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Rockwell Automation Publication 5069-UM003B-EN-P - January 2020
Chapter 3
Compact 5000 I/O Serial Module Features
DF1 Point to Point Parameters
DF1 Master Parameters
Table 15 - DF1 Point to Point Configuration Parameters
Parameter
Definition
Available Options
Station Address
Station address of the channel.
• 0…254
NAK Receive Limit
Maximum number the module can receive NAK for each message.
• 0…255 (default = 3)
ENQ Transmit Limit
Maximum number the module can send ENQ for each message.
• 0…255 (default = 3)
ACK Timeout
Maximum time the module can wait for ACK for each message.
• 1…32,767 (x20 ms) (default = 50)
• 0 = Disabled (Wait Forever)
Embedded Responses
Autodetect Embedded Responses cause the module to use embedded
responses only if an embedded response from the serial module is
received by the module.
Enabled Embedded Responses let the module send embedded
responses within packets.
• 0 = Autodetect
• 1 = Enabled
Receive Termination Delimiter 1
Configure the channel's receive termination delimiter.
• 8 bit $00…$FF (default = $0D )
Receive Termination Delimiter 2
Configure the channel's receive termination delimiter.
• 8 bit $00…$FF ($FF = disabled)
Error Detection
Detects error protocols.
• 0 = BCC
• 1 = CRC (default)
Enable Duplicate Detection
When enabled, duplicate messages are acknowledged and discarded.
• 0 = Disabled
• 1 = Enabled (default)
Table 16 - DF1 Master Configuration Parameters
Parameter
Definition
Available Options
Station Address
Station address of the channel.
• 0…254
Transmit Retries
Maximum number of times Master can retry sending message to Slave.
• 0…127 (default = 3)
ACK Timeout
Maximum time the module can wait for ACK for each message.
• 1…32,767 (x20 ms) (default = 50)
• 0 = Disabled (Wait Forever)
Reply Message Wait
Minimum time between receiving ACK and sending Poll to Slave.
Adjust this value to meet Slave response preparation time.
• 1…65,535 (x20 ms) (default = 5)
• 0 = Disabled (Wait Forever)
Error Detection
Detects error protocols.
• 0 = BCC
• 1 = CRC (default)
Enable Duplicate Detection
When enabled, duplicate messages are acknowledged and discarded.
• 0 = Disabled
• 1 = Enabled (default)