ABB DNP31.0, Technical Description

Page: 17 / 28

- 17 -
Data sheet DNP31.0
Issue: 09.2015
Connection Object, Instance 2 = Polled I/O Message Connection , Attributes
Attribute Access Name Type Value
1 Get State USINT *1)
2 Get Instance Type USINT 1 = I/O Connection
3 Get Transport Class Trigger BYTE 0x82 - Server,
Transport Class 2 *4)
4 Get Produced Connection ID UINT 01111xxxxxx *2)
5 Get Consumed Connection ID UINT 10xxxxxx101 *2)
6 Get Initial Comm. Characteristics BYTE 0x01
7 Get Produced Connection Size UINT *3)
8 Get Consumed Connection Size UINT *3)
9 Get/Set Expected Packet Rate UINT in ms
12 (0x0C) Get Watchdog Timeout Action USINT 0 = time out
13 (0x0D) Get Produced Conn. Path Length UINT 6
14 (0x0E) Get Produced Connection Path EPATH 20 04 24 64 30 03
15 (0x0F) Get Consumed Conn. Path Length UINT 6
16 (0x10) Get Consumed Connection Path EPATH 20 04 24 65 30 03
17 (0x11) Get Production Inhibit Time UINT 0
*1) Connection state
0 nonexistent
1 configuring
2 wait for connection ID
3 established
4 timed out
5 deferred
*2) xxxxxx = node address
*3) The size of Produced and Consumed Connection depends on the device connected to the DNP31 (as
of writing UMC100.3). For detailed information, please refer to the device manual.
*4) If alloc_choice = polled and ack suppression is enabled then value = 0x80.