CET PMC-53A - Page 93

CET Electric Technology
93
Application Layer's Function and Qualifier Code Description
Function Code
Qualifier Code
Code
(dec)
Description
PMC-53A
Code
(hex)
Description
PMC-53A
0
Confirm
0x00
8-bit start/stop indices
√
1
Read
√
0x01
16-bit start/stop indices
2
Write
√
0x06
Request for all points
√
3
Select
√
0x07
Single field index, 8-bit format
√
4
Operate
√
0x08
Single field index, 16-bit format
5
Direct Operate With Acknowledge
√
0x17
Control point
6
Direct Operate Without
Acknowledge
0x28
Control point
√
7
Freeze with Acknowledge
8
Immediate Freeze - No
Acknowledge
9
Freeze and Clear with
Acknowledge
10
Freeze and Clear - No
Acknowledge
13
Cold Restart
√
20
Enable Spontaneous Messages
√
21
Disable Spontaneous Messages
√
22
Assign Classes
23
Delay Measurement
129
Solicited Response
√
130
Unsolicited Response
Data Link Layer
The PMC-53A can be assigned a device address between 0 and 65519. After device restart, Function
Code 0 (Reset of Remote Link) must be executed to enable DNP communication. The following table
describes which Data Link Layer functions are supported.
Request
Response
Func.
Code
Description
PMC-53A
Func.
Code
Description
PMC-53A
0
Reset of Remote Link
√
0
ACK - Positive Acknowledgement
√
1
Reset of User Process
1
NACK - Message Not Accepted, Link Busy
√
2
Test Function for Link
2
Not Used
3
User Data
3
Not Used
4
Unconfirmed User Data
√
4
Not Used
5
Not Used
5
Not Used
6
Not Used
6
Not Used
7
Not Used
7
Not Used
8
Not Used
8
Not Used
9
Request Link Status
√
9
Not Used
10
Not Used
10
Not Used
11
Not Used
11
Status of Link
√
12
Not Used
12
Not Used
13
Cold Restart
√
13
Respond Object 52:2
√
14
Not Used
14
Link Service Not Functioning
15
Not Used
15
Link Service Not Used or Implemented
Physical Layer
The Port 1 RS-485 is designed to support the DNP 3.0 protocol.
Port Configuration
Description
Notes
Port Name
COM1
Baud Rate
1200/2400/4800/9600*/19200/38400
Default*
Parity
8E1*/8O1/8N1/8E2/8O2/8N2