104 Rockwell Automation Publication 2080-UM002M-EN-E - April 2022
Chapter 6 Micro870 Controller Distributed Network Protocol
AUTHENTICATE_ERR (FC Byte = 0x21)
33 – Authentication Request No Resp
This function code is used by the master to send authentication messages
when no return response is required.
RESPONSE (FC Byte = 0x22)
129 – Response
All responses except for Unsolicited Response messages use this function code.
UNSOLICITED_RESPONSE (FC Byte = 0x23)
130 – Unsolicited Response
Unsolicited Responses always use this function code regardless of which DNP3
objects are included.
AUTHENTICATE_RESPONSE (FC Byte = 0x24)
131 – Authentication Response
This function code is used to issue authentication messages to the master.
Internal Indications
Internal Indication bits are set under the following conditions of the
controllers:
• IIN1.0: ALL_STATIONS. This bit is set when an all-stations message is
received.
• IIN1.1: CLASS_1_EVENTS. This bit is set when Class 1 event data is
available.
• IIN1.2: CLASS_2_EVENTS. This bit is set when Class 2 event data is
available.
• IIN1.3: CLASS_3_EVENTS. This bit is set when Class 3 event data is
available.
• IIN1.4: NEED_TIME. This bit is set when Time synchronization is
required.
• IIN1.5: LOCAL_CONTROL. This bit is set when the controller is in Non-
executing mode.
• IIN1.6: DEVICE_TROUBLE. This bit is set when the controller is in Fault
mode.
• IIN1.7: DEVICE_RESTART. This bit is set when the DNP3 driver is just
configured, in channel configuration or when the controller has been
restarted.
To set this bit during the driver configuration and channel
configuration, you need to select the Send Init. Unsol. Null Resp. on
Restart setting and set Status Bit S:36/13 to 1 before downloading to the
controller.
• IIN2.0: NO_FUNC_CODE_SUPPORT. This bit is set when a request
which has an unknown function code is received.
• IIN2.1: OBJECT_UNKNOWN. This bit is set when a request which has an
unknown object is received.
To Next Page
Loading...
Need help?
General
