Allen-Bradley Ethernet Driver
Syntax Data Type
O:<slot>/<bit>[cols] Boolean*
O:<slot>.<word>/<bit> Boolean
O:<slot>.<word>/<bit>[rows][cols] Boolean*
O:<slot>.<word>/<bit>[cols] Boolean*
*Array types
Slot and Word Configurations
The following slot and word locations are allowed for each model. For information, refer to Device Setup.
PLC Model Min Slot Max. Slot Max. Word
SLC 5/05 Open 1 30 *
PLC-5 Family NA NA 277 (octal)
SoftPLC NA NA 777 (octal)
*The number of input or output words available for each I/O module can be found in the Modular I/O Selection
Guide.
Examples
All addresses are in octal.
PLC-5 /
SoftPLC
Addresses
O:0 Word 0
O:37 Word 31 (37 octal=31 decimal)
O/42 Bit 34 (42 octal=34 decimal)
O:2/2 Bit 2 word 2 (same as O/42)
O/20[9] 9 element Boolean array starting at bit 16 (20 octal=16 decimal)
O/37[8][11] 8 by 11 element Boolean array starting at bit 31 (37 octal=31 decimal)
O:47/5[3] 3 element Boolean array starting at bit 5 word 39 (47 octal=39 decimal)
O:11/13[3][7] 3 by 7 element Boolean array starting at bit 11 (13 octal=11 decimal) word 9 (11 octal=9
decimal)
SLC 5/05 Addresses
O:1 Word 0 slot 1
O:1.0 Word 0 slot 1 (same as O:1)
O:12 Word 0 slot 12
O:12.2 Word 2 slot 12
O:4.0/0 Bit 0 word 0 slot 4
O:4/0 Bit 0 slot 4 (same as O:4.0/0)
O:4.2/0 Bit 0 word 2 slot 4
O:4/32 Bit 32 slot 4 (same as O:4.2/0)
O:2.12/3[17] 17 element Boolean array starting at bit 3 word 12 slot 2
O:2.2/0[12][12] 12 by 12 element Boolean array starting at bit 0 word 2 slot 2
O:2/43[5] 5 element Boolean array starting at bit 43 slot 2
O:2/11[6][12] 6 by 12 element Boolean array starting at bit 11 slot 2
Input Files
The syntax for accessing data in the input file differs depending on the PLC model. Data locations are read /
write for PLC-5 models and read only for all other models. The default data type for all syntax is shown in bold.
PLC-5 and SoftPLC Model Syntax
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