Specifications – Max Machinery 120 FLOW RATE & TOTAL INDICATOR User Manual
Page 4
Page 4
120-200-350 © 1993 (Rev 5/97) Max Machinery, Inc.
Specifications (cont.)
• Outputs
Accessory Power:
24VDC
±
5%, 100 mA max
Totalizer Setpoint
Type:
1 NPN transistor
Rating:
150 mA maximum, 30 VDC maximum
Operation:
Latched or timed from 0.01 to 99.99 seconds
Rate Alarms:
Type:
2 NPN transistors for indicating Rate outside Hi/Low setpoints.
Rating:
150 mA maximum, 30 VDC maximum.
Operation:
Follows, latched or timed from 0.01 to 99.99 sec
Scaled Pulse:
Type:
1 NPN transistor for remote totalizing, 255 bit buffer
Rating:
150 mA maximum, 30 VDC maximum
Operation:
Outputs pulse for every increment of the totalizer display.
Output pulse width selectable from:
Fast - 125
µ
S pulse width, 1.5 kHz max. frequency.
Med - 2 mS pulse width, 200 Hz max. frequency.
Slow - 50 mS pulse width, 10 Hz max. frequency.
Flow Rate:
Type:
4-20 mA current loop, optically isolated.
Voltage:
Compliance voltage 12 - 27 VDC
Response:
2 Hz
Accuracy:
±
0.1% @ 25
°
C,
±
0.25% over temp.
Resolution:
11 bits
• Totalizer
Display
10 Digits, up to 5 D.P. (no units of measure)
• K-Factor
Range:
0.0001 to 99999.
• Rate Indicator
Type:
1/Period (Reciprocal)
Display:
6 digits, up to 5 D.P.; with 3 character units-of-measure identifier.
Accuracy:
±
0.05%
Rate Multiplier:
0.00001 to 999999.
Rate Smoothing
0.5 to 7.5 seconds in 0.5 second steps
• Communication
Type:
RS-485 multi-drop, 2-wire
Baud Rate:
300, 600, 1200, 2400, 4800, 9600, 19200
Parity:
Space, Even, Odd
SPECIFICATIONS