4-4 Specifications and Reference Information 5707070-A
Advanced Energy
®
Alarm output When on AC power:
15.0 VDC = Active alarm
• High alarm: switched +15.0 VDC, 500 mA
• Low alarm: switched +15.0 VDC, 500 mA
When on battery power:
12.0 VDC = Active alarm
• High alarm: switched + 12.0 VDC, 500 mA
• Low alarm: switched + 12.0 VDC, 500 mA
Power failure backup An internal super-capacitor allows the electronics assembly to
retain all parameter information and current totalizer value for
up to 10 days
Standard interface
LCD display 2-line, 16 characters per line, high resolution
LED indicators • Yellow: Echo signal received
• Red: High alarm or low alarm activated
• Green: Power available
Keypad 12 keys, tactile feedback
Note: Keypad lockout available through internal switch; see “To
Save Your Programmed Flow Reading Settings Using the
Security Switch:” on page 2-19 and Figure 2-8 on
page 2-14 for the switch location
Display panel Rate selection, totalizer selection, K factor selection, analog
output set, low flow cutoff set, update time (damping) set, high/
low alarm set, fps or mps selection, totalizer reset
Output setting function 4-20 mA output scaling (set in velocity from keypad)
Alarm setting function High and low alarm set points (entered in velocity from keypad)
Rate indication 4-digit LCD, velocity or volume (user selectable)
English units: feet per second (fps), gallons per minute (gpm),
cubic feet per second, and million gallons per day
Metric units: meters per second (mps), liters per second (lps),
and cubic meters per second
Note: Gallons refers to U.S. gallons.
Table 4-3. Functional specifications (Continued)
Description Specification
