Emerson Rosemount Analytical RDO, Manual

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MODEL RDO PROGRAMMING THE ANALYZER
4. Scroll to Mode and select it. Choose high alarm or
low alarm.
5. Scroll to Parameter and select it. Scroll through the
list of probes and measurements. A is probe A, B is
probe B, and C is the analyzer.
6. Scroll to Setpoint and select it. Use the arrow keys
to change the setting.
7. Scroll to Deadband and select it. Use the arrow keys
to change the setting.
8. Scroll to Test and select it. Use the arrow keys to
change from yes to no.
5.6 CHANGING THE DATE AND TIME
1. Select Menu, then Settings, then Date & Time.
2. Three menu items will appear:
• Date shown as: yyyy-mm-dd
• Time shown as: hh:mm:ss (24 hour clock)
• UTC shown as: ±xx:xx (see Table 5-1)
3. Scroll to the menu item and select it.
4. Use the arrow keys to change the setting.
5. Select Enter.
5.7 CHANGING THE APPEARANCE OF
THE SCREENS
5.7.1 Locking the Display
Locking the display prevents the user from scrolling
through the measurement parameters using the View
function.
1. Select Menu, then Settings, then Display.
2. Choose Lock View.
3. Use Select to toggle between the locked view and
the unlocked view. The lock symbol at the top of the
shows whether the screen is locked or unlocked.
5.7.2 Changing the Display Contrast
1. Select Menu, then Settings, then Contrast.
2. Use the arrow keys to brighten or darken the screen.
3. Press Enter.
5.7.3 Changing the Language
1. Select Menu, then Settings, then Language.
2. Choose English, Spanish, or French.
3. Press Enter.
5.8 CHANGING POWER SETTINGS
To conserve power the analyzer can be set to turn off
the display after idling for a certain length of time.
1. Select Menu, then Settings, then Power Save.
2. Select External. Do not choose Battery.
3. Select the appropriate interval—Off (always on), 15
sec, 30 sec, 1 min, 5 min, or 15 min.
5.9 SETTING THE POLLING (UPDATE)
INTERVAL
The polling interval specifies how often the analyzer
checks the probe and updates the configured outputs
when the analyzer is in power saving mode. See
section 5.8. The default polling rate is every 15 min-
utes. The fastest polling rate is every minute; the slow-
est is every 24 hours.
If the analyzer is not in power
saving mode, the display, relays, and outputs
update once every 5 sec.
1. Select Menu, then Settings, then Polling Interval.
2. Select the desired interval.
3. Press Enter.
5.10 RS485 COMMUNICATIONS
5.10.1 Setting the device address for the analyzer.
The device address is a number between 1 and 245.
The device address of Probe A is the analyzer address
plus 1. The device address of Probe B is the analyzer
address plus 2.
1. Select Menu, then Settings, then Communication,
then Address.
2. Use the arrow keys to enter a number between 1
and 245.
3. Press Enter.
5.9.2 Setting RS485 parameters for the analyzer.
1. Select Menu, then Settings, then Communication,
then RS485.
There are six settings to make:
• Mode (choose RTU or ASCII)
• Baud Rate (choose 9600, 19200, 38400, or 57600)
• Data Bits (choose 8)
• Parity (choose Even, Odd, or None)
• Stop Bits (choose 1 or 2)
• Defaults (choose yes to restore RS485 default settings)
2. Scroll to the menu item and select it.
3. Use the arrow keys to change the setting.
4. Press Enter.
5.11 SETTING SECURITY CODES