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ALARM CONFIGURATION SUB-MENU SCREENS
Control n Loop Alarm
Type
w
Sets the loop alarm time source, from: Manual Loop Alarm Time (as set in the
loop alarm n time screen) or Automatic (twice the integral time constant set-
ting). If configured, a Loop Alarm activates if no response is seen in loop n after
this time following the saturation of its power output. – Only seen if an alarm is
set for control loop type.
Control n Loop Alarm
Time
w
The time (max 99:59 mm:ss) for loop n to begin responding after PID power
output reaches saturation, if a manual loop alarm type is configured.
COMMUNICATIONS CONFIGURATION SUB-MENU SCREENS
No Communications
Warning
If Communications Configuration menu is entered without a communications
module fitted.
Modbus Parity
The setting for Modbus comms parity bit checking, from: Odd; Even or None.
Set the same parity for all devices on the network – Only seen if RS485 or
Ethernet communications option is fitted.
Modbus Data Rate
The setting for the Modbus comms data speed. From: 4800; 9600; 19200;
38400; 57600 or 115200 bps. Set the same speed for all devices on the net-
work – Only seen if RS485 or Ethernet communications option is fitted.
Master Mode, or Slave
Address
Slave address (1 to 255), or multi-zone Setpoint Master Mode – Only seen if
RS485 or Ethernet communications option is fitted, but Master mode is not
available over Ethernet.
Target Register In Slave
Target memory register for the setpoint value in attached slave controllers. All
slaves must have the same setpoint register address as set here - Appears
only if unit is in Master mode.
Master Mode Format
The data format required by the attached setpoint slaves. From: Integer; inte-
ger with 1 decimal place or float - Appears only if unit is in Master mode.
Serial Communications
Write Enable
Enables/disables writing via RS485 or Ethernet communications. When dis-
abled, parameters can be read, but attempts to change their values over com-
ms are blocked.
DATA RECORDER CONFIGURATION SUB-MENU SCREENS:
No Recorder Warning
If the Recorder Configuration menu is entered on an instrument without this
option fitted.
Recording In Progress
Warning
A warning if recording when attempting to enter recorder configuration.
Access to the configuration is denied unless the recording is paused.
Pause (Override Trigger)
Select No to continue recording or Yes to enter recorder configuration.
Note: Recording is paused until recorder configuration is completed. It
restarts automatically on exit from this menu.
Recorder Status
Information
Current information about the data recorder feature, including if a recording is
in progress (Recording or Stopped); the recording mode (FIFO or Record Until
Memory Is Used); a % memory use bar-graph and the estimated available time
remaining based on the data selected and memory left. If the alarm status is
recorded and is likely to change often, take this into account when determin-
ing if there is sufficient memory available.
Icons are displayed for active recording triggers. If any trigger is active, the
selected data will be recorded.
Manual Record
Digital Input
Profile Record
Alarm Record
Summary of Contents for Chromalox 4081
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