Operations Overview |
Analog inputs convert the voltage level to a digital value and perform a comparison against the programmed low and high setpoints. An alarm is present when the measured value is above or below the setpoint. Alarm messages are spoken using the stored phrase with either “High” or Low” appended depending on which setpoint has been exceeded. The actual reading, including decimal place notation and engineering units, is spoken when the Cv2 is interrogated.
The latching alarm function is also available for analog inputs.
1.3 How are alarms processed?
The way in which the Cv2 processes alarms is shown in Figure 1.
8
INPUTS
HARDWARE
INPUTS
8
OUTPUTS
HARDWARE OUTPUTS
POINTS
UP TO 30 INPUTS OR OUTPUTS
GROUP
1
GROUP
6
DIRECTORY
A
DIRECTORY
F
DIALOUT
COMMANDS
CONTROL
COMMANDS
TELEPHONE
PORT
Figure 1 Cv2 Block Diagram
B1272M001 | BARNETT ENGINEERING LTD. | ProTalk Cv2 |