Hardware manual
Chapter2 Connection to a PLC
2-146
Cross reference table of devices name
Bit Device
Device Name
Device
Symbol
MicroLogix/SLC500 PLC-5
ControlLogix
CompcatLogix
SLC/MicroLogix Input SI Input(Bit) - -
SLC/MicroLogix
Output
SO
Output(Bit)
- -
PLC-5 Input PI - Input(Bit) -
PLC-5 Output PO - Output(Bit) -
Binary B Binary Binary -
Timer Enable bit TEN Timer Enable bit Timer Enable bit -
Timer Timing Bit TTT Timer Timing Bit Timer Timing Bit -
Timer Done Bit TDN Timer Done Bit Timer Done Bit -
Counter Up Enable
Bit
CCU
Counter Up
Enable Bit
Counter Up
Enable Bit
-
Counter Down Enable
Bit
CCD
Counter
Down Enable Bit
Counter
Down Enable Bit
-
Counter Done Bit CDN Counter Done Bit Counter Done Bit
Counter Overflow Bit COV
Counter Overflow
Bit
Counter Overflow
Bit
-
Counter Underflow
Bit
CUN
Counter
Underflow Bit
Counter
Underflow Bit
-
Counter
Update Accumulator
CUA
Counter
Update
Accumulator
- -
Control Enable Bit REN Control Enable Bit - -
Control Queue Bit REU Control Queue Bit - -
Control
Aynchronous Done Bit
RDN
Control
Aynchronous
Done Bit
- -
Control
Synchronous Done BIt
REM
Control
Synchronous Done
BIt
- -
Control Error Bit RER Control Error Bit - -