Setup guide

Chapter 3 Driver and Protocol Objects
Object Reference Manual 3-16 www.Automationdirect.com
OffHook logical no yes When true, instructs the PLC to retain
exclusive use of its assigned
communication port. This prevents
Lookout
Direct
from hanging up
between polls, saving the redial
overhead. This also prevents other
blocks from communicating over the
same channel.
Poll logical no yes When transitioned from false to true,
the LookoutDirect object polls the
PLC device.
PollRate numeric no yes Specifies the frequency at which the
Lookout
Direct
object polls the PLC
device.
R:0.LEN -
R999:999.LEN
numeric yes yes Control “length” signed integer
ranging from –32,768 to +32,767.
R:0.POS -
R999:999.POS
numeric yes yes Control “position” signed integer
ranging from –32,768 to +32,767.
R:0_DN -
R999:999_DN
logical yes yes Control “done” single-bit logical
indicator.
R:0_EM -
R999:999_EM
logical yes yes Control “empty” single-bit logical
indicator.
R:0_EN - R999:999_EN logical yes yes Control “enable” single-bit logical
indicator.
R:0_ER - R999:999.ER logical yes yes Control “error” single-bit logical
indicator.
R:0_EU - R999:999_EU logical yes yes Control “enable unloading” single-bit
logical indicator.
R:0_FD - R999:999_FD logical yes yes Control “found” single-bit logical
indicator.
R:0_IN - R999:999.IN logical yes yes Control “inhibit comparison” flag
logical indicator.
Table 3-4. AB_PLC5 Data Members (Continued)
Data Member Type Read Write Description