Allen-Bradley ProcessLogix 1757 Series User Manual

Publication 1757-RM810A-EN-P - May 2002
2-16 Physical Equipment Blocks
1756-OB16I
16-Channel - 24Vdc Isolated Digital Output
Description Identifies the physical IOM for the CPM to provide links to associated IOC.
Function • Defines type of IOM, number of channels, execution state, and communications path for data.
• Provides link to IOC through IO manager software resident in the CPM.
• Executes once every cycle.
• Includes IOC assignment to one of 16 channels (points), as part of IOM configuration.
Inputs Real-time data transmission from configured IOC. Data is “triggered”, or is current digital (Boolean) value or pulsed
(real) value.
Outputs Real-time data transmission to physical device.
Parameters ALMENBSTATE
ASACONNSTS
ASAERRCODE
ASAERRINFO
CATNUMBER
CEESTATE
CHANTEXT
DESC
DLCNBSLOT
ENOLOAD
[0..numChans-1]
ESTWEIGHT
ETRANS
EUDESC
EVERIFY [0..numChans-1]
EXECSTATE
EZCROSS [0..numChans-1]
FAILSTATE
[0..numChans-1]
HIALM
INALM
IOMSLOT
IOMTYPE
KEYWORD
MAJORREV
MINORREV
NOFIELDPWR
[0..numChans-1]
NOLOAD [0..numChans-1]
NUMCHANS
NUMCONN
NUMDISCONN
NUMSHUTDOWN
ORDERINCEE
ORDERINCM
PERIOD
PHASE
PRODTYPE
PVSTS
PVVAL [0..numChans-1]
PWMPERIOD
[0..numChans-1]
SAFESTATE
[0..numChans-1]
SCANAREA
SCANASSOCDSP
SCANCTRLLVL
SCANEUHI
SCANEULO
SCANGRPDTL
SCANPNTDTL
SHORT [0..numChans-1]
ULCNBMAC
UPDATOPT
VENDOR
VERIFYLOST
[0..numChans-1]

Allen-Bradley ProcessLogix 1757 Series Specifications

General

Brand	Allen-Bradley
Model	ProcessLogix 1757 Series
Category	Control Unit
Language	English