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Function codes supported
Default Counter Object/Variation:
No Counters Reported
Configurable
Default Object: 20 and 21
Default Variation:
Point-by-point list attached
Counters Roll Over at:
No Counters Reported
Configurable (attach explanation)
16 Bits
32 Bits
Other Value: _____
Point-by-point list attached
Sends Multi-Fragment Responses:
Yes
No
Sequential File Transfer Support:
Append File Mode
Yes No
Custom Status Code Strings
Yes No
Permissions Field
Yes No
File Events Assigned to Class
Yes No
File Events Poll Specifically
Yes No
File Events Send Immediately
Yes No
Multiple Blocks in a Fragment
Yes No
Max Number of Files Open 0
3.3 IMPLEMENTATION TABLE
The following table identifies the variations, function codes, and qualifiers supported by the PCOM Communications
Module in both request messages and in response messages.
OBJECT REQUEST (Library will parse) RESPONSE(Library will respond with)
Object
Number
Variation
Number
Description Function
Codes (dec)
Qualifier Codes
(hex)
Function
Codes (dec)
Qualifier Codes
(hex)
1 0 Binary Input (Variation
0 is used to request
default variation)
1 (read) 00, 01
06
1 1
(default)
Binary Input 1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
1 2 Binary Input with
Status
1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
10 0 Binary Output Status
(Variation 0 is
used to request
default variation)
1 (read) 00, 01
06
10 1
(default)
Binary Output without
Status
1 (read) 00, 01
06
129(response)
00, 01 (start-stop)
10 2 Binary Output Status 1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
20 0 Binary Counter
(Variation 0 is used to
request default
variation)
1 (read) 00, 01
06
20 1 32-Bit Binary Counter
with status
1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
20 2 16-Bit Binary Counter
with status
1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
20 3 32-Bit Delta Counter
20 4 16-Bit Delta Counter
20 5 32-Bit Binary Counter
without Flag
1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
20 6
(default)
16-Bit Binary Counter
without Flag
1 (read) 00, 01
06
129 (response) 00, 01 (start-stop)
20 7 32-Bit Delta Counter
without Flag
20 8 16-Bit Delta Counter
without Flag
30 0 Analog Input
(Variation 0 is used to
1 (read) 00, 01
06