
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]
Summary of Contents for ProcessLogix 1756-IA16
Page 1: ...ProcessLogix Function Blocks 1757 Series Reference Manual Spare Allen Bradley Parts...
Page 2: ......
Page 40: ...Publication 1757 RM810A EN P May 2002 2 20 Physical Equipment Blocks...
Page 116: ...Publication 1757 RM810A EN P May 2002 3 76 Functional Blocks...
Page 119: ...Spare Allen Bradley Parts...