Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001C-EN-P - October 2009
Function Files 65
Modbus RTU Slave Diagnostic Counters Block (Data Link Layer)
Word Bit Description
6 - Diagnostic Counters Category Identifier Code (always 2)
7 - Length (always 30)
8 - Format Code (always 4)
9 0 CTS
1RTS
2 Reserved
3 Reserved
4 to 15 Reserved
10 - Total Message Packets Sent
11 - Total Message Packets Received for This Slave
12 - Total Message Packets Received
13 - Link Layer Error Count
14 - Link Layer Error Code
15 to 22 - Reserved
Modbus RTU Slave Diagnostic Counters Block (Presentation Layer)
Word Bit Description
43 - Diagnostic Counters Category Identifier Code (always 10)
44 - Length (always 14)
45 - Format Code (always 0)
46 - Pre-Send Time Delay
47 0 to 7 Node Address
8 to 15 Reserved
48 - Inter-Character Timeout
49 - RTS Send Delay
50 - RTS Off Delay
51 0 to 7 Baud Rate
8 and 9 Parity
10 to 15 Reserved
52 - Diagnostic Counters Category Identifier Code (always 6)
53 - Length (always 32)
54 - Format Code (always 0)
55 - Presentation Layer Error Code
56 - Presentation Layer Error Count
57 - Execution Function Error Code
58 - Last Transmitted Exception Code
59 - Data File Number of Error Request
60 - Element Number of Error Request
61 - Function Code 1 Message Counter
62 - Function Code 2 Message Counter
63 - Function Code 3 Message Counter
64 - Function Code 4 Message Counter
65 - Function Code 5 Message Counter
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Allen-Bradley MicroLogix 1100 Specifications

General

Processor	32-bit
Programming Software	RSLogix 500
Mounting	DIN rail or panel mount
Power Supply	24V DC
Type	Compact PLC
Digital Inputs	12
Digital Outputs	8
Analog Inputs	4 (depending on model)
Analog Outputs	Optional with expansion module
Programming Language	Ladder Logic
Operating Temperature	0 to 55 °C (32 to 131 °F)
Series	MicroLogix