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CBJ11A07 Datasheet(PDF) 6 Page - Red Lion Controls. Inc |
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CBJ11A07 Datasheet(HTML) 6 Page - Red Lion Controls. Inc |
6 / 16 page 6 STEP 5 PROGRAMMING THE ALARMS USER INPUT MODE OPERATION INPUT ACTION INPUT ACTIVATION AUTOMATIC ALARM LATCHED ALARM IN ALARM REGION OUTSIDE ALARM REGION IN ALARM REGION OUTSIDE ALARM REGION Reset Edge No action Resets and puts the alarm in Standby mode; resets alarm if in Hysteresis band Resets alarm if on Set Edge No action No action No action Sets alarm latched Reset Level No action Resets alarm while input is active, resumes normal operation when input is inactive; resets alarm if in Hysteresis band Resets alarm if on Set Level No action No action Sets alarm latched Resets and puts the alarm in Standby mode; resets alarm if in Hysteresis band Action: Alarm 1 can be programmed for 5 modes of operation, Alarm 2 has 9 possible modes. See Setpoint Alarm figures for illustration. Manual: In Manual mode, the Alarms are forced on and off by writing ‘0’ or ‘1’ to the appropriate MODBUS register (Alarm 1 state = 40027, Alarm 2 state = 40028). The alarms are configured for this action from the factory. In this mode, the alarms will not respond to their setpoint or hysteresis values. Absolute HI: (with balanced or unbalanced hysteresis) The Alarm energizes when the Temperature Value exceeds the Setpoint Limit Value. Absolute LO: (with balanced or unbalanced hysteresis) The Alarm energizes when the Temperature Value falls below the Setpoint Limit Value. Deviation HI, Deviation LO, Band Inside or Outside: In these modes, Alarm 2 “tracks” Alarm/Setpoint 1. Setpoint: The alarm Setpoint value, entered in degrees. If the ITMS is programmed for mV or resistance modes, then the Setpoint is in mV or Ohms, respectively. Hysteresis: Hysteresis is used to eliminate output chatter. The Hysteresis Amount is the difference between the points where an Alarm will turn on and turn off. In Unbalanced modes, the alarm turns on at the Setpoint, and turns off at Setpoint minus hysteresis for HI alarms, and Setpoint plus hysteresis for LO alarms. In Balanced modes, the hysteresis is evenly divided above and below the Setpoint value. (See the Setpoint Alarm Figures.) Note: The Setpoint, along with the Hysteresis, MUST NOT produce a “trigger point” higher than 32,000, or less than -32,000. (See the Setpoint Alarm Figures.) Trigger Points: Trigger Points are the Process Values where the alarm state changes. Their values cannot be entered directly, but are shown as a reference in the SFIMS software. The Setpoint Value, Hysteresis Value, and Setpoint Alarm Type determine the trigger points. With Deviation or Band modes, Setpoint 1 and Setpoint 2 are combined to determine the trigger points. Trigger Points cannot be greater than +32000 or less than - 32000. If these limits are exceeded, the alarm is disabled and an alarm threshold over range error is set. The Trigger Points can be outside the Temperature Value range for a given sensor type without receiving an error, but the alarm will not change state for that trigger point. Reset: The alarms can be programmed for Automatic or Latched. In Automatic mode, an energized alarm turns off by itself once the Process Value leaves the alarm region. In Latched mode, an energized alarm requires a reset from the User input, or a serial reset command. This is done by writing a ‘0’ to the appropriate MODBUS register. (Alarm 1 state = 40027, Alarm 2 state = 40028) On Delay: The time, in whole second increments, that the alarm will take to energize when the Process Value enters into an alarm region. Enable Standby Delay: Standby prevents nuisance (typically low level) alarms after a power up. After powering up the unit, the temperature must leave the alarm region. Once this has occurred, the standby is disabled, and the alarm responds normally until the next module power up. User Input Action: The User Input can be programmed to Reset, or Set, either Alarm 1, Alarm 2, or both. The User Input is activated when terminal 6 is pulled low. (Connected to the Common terminal 12.) User Input Activation: The User Input can be programmed to respond as a Level (maintained) or Edge (momentary) input. See the User Input Mode Operation Table below. Sensor Failure Action: This setting allows different alarm responses when the temperature sensor fails. The ITMS can be programmed to turn one or both alarms on or off. Sets alarm while input active, resumes normal operation when input is inactive Resets alarm while input is active, resumes normal operation when input is inactive; resets alarm if in Hysteresis band |
Similar Part No. - CBJ11A07 |
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Similar Description - CBJ11A07 |
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