Setup guide

Chapter 3 Driver and Protocol Objects
©
Automationdirect.com 3-25 Object Reference Manual
Phone number specifies the number to be dialed if the selected serial port
is configured for dial-up. This number only applies to the individual
protocol object.
Monitor Serial Port specifies whether you can receive unsolicited frames.
Communication alarm priority determines the priority level of alarms
generated by the ASCII object. Such alarms are typically related to
communications with the physical device.
Retry attempts specifies the number of times Lookout
Direct
attempts to
establish communications with a device if it is not getting a valid response.
After it tries the number of Retry attempts specified, the ASCII object
generates an alarm and releases the communication port back to the
communications service which then moves on to the next device in the
polling queue (if any). Refer to Chapter 3,
Serial Communications, in the
LookoutDirect Developer’s Manual
for more information.
Receive timeout is the amount of time Lookout
Direct
waits for a response
from a device before retrying the request.
The Skip every N poll requests after comm failure setting instructs
Lookout
Direct
not to poll a device it has lost communication with on every
scheduled poll. Instead, Lookout
Direct
polls the device only once in the
specified number of poll cycles. Once communication has been
reestablished, the device is polled on its regular cycle.
ASCII Data Members
Table 3-5. ASCII Data Members
Data Member Type Read Write Description
CommFail logical yes no Object-generated signal that is on if
LookoutDirect
cannot communicate
with the device(s).
OffHook logical no yes Keeps the driver from releasing the
serial port.
Request text yes no Exact request frame sent.
RequestFormat text no yes Format used to create request frame.
Response text yes no Exact response frame received.
ResponseFormat text no yes Format used to parse response frame.