Products

PLC Bit Addresses (Octal)
10
01
Bits
Push Button #9 Lamp
Push Button #2
O:021
I:020
Input
Output
Module Group 1
(Word)
O:021I:020
Module Group (Word)
Rack #2
NOTE: This example has push button #2 (at rack 2, word 0, bit 01) turning on lamp #9 (at rack 2, word 1, bit 10).
This example assumes one slot addressing for I/O chassis.
Lamp Control Bits
WORD 0
Output Image Table
1/4 Rack
Input Image Table
1/4 Rack
WORD 1
01234567 012345671011121314151617
Switch Status Bits
01
10
123456
789101112
00 01 02 03 04 05
06 07 10 11 12 13
13 14 15 16
14 15 16 17
1617 101112131415
Bulletin 2705
RediPANEL 800A Push Button Modules
User Manual
16
Figure 11
Typical Image Table Configuration for 16 Button RediPANEL with 1771 PLC I/O Modules