Allen-Bradley MicroLogix 1200 Reference Manual

Publication 1762-RM001C-EN-P
21-22 Communications Instructions
D7H Connection refused by destination host.
D8H Connection was broken.
D9H Reply not received before user–specified timeout.
DAH No network buffer space available.
E1H PCCC Description: Illegal Address Format, a field has an illegal value.
E2H PCCC Description: Illegal Address format, not enough fields specified.
E3H PCCC Description: Illegal Address format, too many fields specified.
E4H PCCC Description: Illegal Address, symbol not found.
E5H PCCC Description: Illegal Address Format, symbol is 0 or greater than the maximum number of characters support by this
device.
E6H PCCC Description: Illegal Address, address does not exist, or does not point to something usable by this command.
E7H Target node cannot respond because length requested is too large.
E8H PCCC Description: Cannot complete request, situation changed (file size, for example) during multi–packet operation.
E9H PCCC Description: Data or file is too large. Memory unavailable.
EAH PCCC Description: Request is too large; transaction size plus word address is too large.
EBH Target node cannot respond because target node denies access.
ECH Target node cannot respond because requested function is currently unavailable.
EDH PCCC Description: Resource is already available; condition already exists.
EEH PCCC Description: Command cannot be executed.
EFH PCCC Description: Overflow; histogram overflow.
F0H PCCC Description: No access.
F1H Local processor detects illegal target file type.
F2H PCCC Description: Invalid parameter; invalid data in search or command block.
F3H PCCC Description: Address reference exists to deleted area.
F4H PCCC Description: Command execution failure for unknown reason; PLC-3 histogram overflow.
F5H PCCC Description: Data conversion error.
F6H PCCC Description: The scanner is not able to communicate with a 1771 rack adapter. This could be due to the scanner not
scanning, the selected adapter not being scanned, the adapter not responding, or an invalid request of a “DCM BT (block
transfer)”.
F7H PCCC Description: The adapter is not able to communicate with a module.
F8H PCCC Description: The 1771 module response was not valid size, checksum, etc.
F9H PCCC Description: Duplicated Label.
FAH Target node cannot respond because another node is file owner (has sole file access).
FBH Target node cannot respond because another node is program owner (has sole access to all files).
FCH PCCC Description: Disk file is write protected or otherwise inaccessible (off-line only).
FDH PCCC Description: Disk file is being used by another application; update not performed (off-line only).
FFH Local communication channel is shut down.
Error Code Description of Error Condition
NOTE
For 1770-6.5.16 DF1 Protocol and Command Set
Reference Manual users: The MSG error code reflects the
STS field of the reply to your MSG instruction.
•
Codes E0 to EF represent EXT STS codes 0 to F.
•
Codes F0 to FC represent EXT STS codes 10 to 1C.

Allen-Bradley MicroLogix 1200 Specifications

General

Series	MicroLogix 1200
Type	Programmable Logic Controller (PLC)
Mounting	DIN rail or panel mount
Programming Language	Ladder Logic
Programming Software	RSLogix 500
I/O Points	Up to 40
Communication Ports	RS-232, RS-485
Memory	6 KB user memory
Power Supply	24V DC or 120/240V AC
Expansion	Supports expansion I/O modules
Operating Temperature	0°C to 55°C (32°F to 131°F)
Dimensions	90 mm x 110 mm
Weight	0.5 kg (1.1 lbs)