Allen-Bradley ControlLogix Manual de usuario descargar pdf (Pagina 116)

116 Rockwell Automation Publication 1756-UM001O-EN-P - October 2014

Chapter 6 Serial Communication on 1756-L6x Controllers

Use this table when specifying settings for the protocols listed.

Field DF-1 Master Protocol DF-1 Slave Protocol DF-1 Radio Modem Protocol

Station Address Controller station address number Controller station address number Controller station address number

Transmit Retries 3 3 N/A

ACK Timeout 50 N/A N/A

Slave Poll Timeout N/A 3000 N/A

Reply Message Wait 5 N/A N/A

Polling Mode Message: polls the slave by using the Message

instruction

Slave: initiates messages for slave-to-slave

broadcast

Standard: schedules polling for the slave

N/A N/A

EOT Suppression N/A Disable N/A

Error Detection BCC BCC BCC

Duplicate Detection Enabled Enabled N/A

Enable Store and Forward N/A N/A Choose enable if you want to use the store

and forward tag.

The last bit of the INT[16] Enable Store and

Forward array must be ’enabled.’ For

example, say that you create an INT[16] tag

named EnableSandF. Then

EnableSandF[15].15 must be set to 1 for

broadcast to work on radio modem.

1 2 ... 111 112 113 114 115 116 117 118 119 120 121 ... 211 212

Sin comentarios

Allen-Bradley ControlLogix Manual de usuario Pagina 116