QIRF Operation And Maintenance Manual
QIRF Operation Manual
May. 01, 2012
85050-301-000 Rev C
18
3.8.1 System Settings
Password:
Default password is 4321.
Address:
M-Controller supports RS-485 addressing from 0 to 31 for digital sensor.
Q4 Controller supports RS-485 addressing from 0 to 3 for digital sensor.
The QIRF smart sensor RS-485 address can be defined from 0 to 255 to be
used in RS-485 OptoMux or ModBus communication. Default address is
3.
Baud rate:
Define Baud Rate for RS-485 OptoMux or ModBus Communication.
Default baud rate is 4800 bps.
Scroll Rate:
In normal operation the sensor and relay status information scrolls
automatically. Set the number of seconds for each item to be displayed.
Default value is 3 seconds.
Backlight:
The LCD backlight can be set to Always Off, Always On and Power
Saver. In Power Saving mode, the backlight will turn on for 10 seconds
after any Key has been pressed. Default setting is Always ON mode.
4mA Cal
20mA Cal:
These values are established during factory calibration for 4-20mA analog
output and should not require recalibration in the field. Do not attempt to
modify these settings in the field.
Changing these values will change the analog output signal scale.
Warning:
This procedure is part of factory setup. In most
circumstances it will not be necessary to perform this procedure in the
field. These functions require the use of precision reference
instrumentation.
Change
Password:
Change Password allows any combination of up to four digits. Default
password is 4321.
Warning:
Be sure that you record the new password in a safe and
secure location!
Protocol:
When QIRF is connected to M-Controller or Q4-Controller, the protocol
should be set to “OptoMux”. Default protocol is OptoMux.
QIRF also supports “ModBus” protocol, responds as a ModBus Slave
using RTU protocol. When it’s set to “ModBus”, the parity bit can be
defined as “EVEN”, “ODD” and “No Parity”.
