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58 Micro Motion
®
Model 1700 and 2700 Transmitters
Specifications
One frequency/pulse output (Model 1700 transmitters) or frequency/pulse/discrete output (Model
2700 transmitters):
• Intrinsically safe
• Externally powered (passive)
• Maximum input voltage: 30 VDC, 0.75 watt maximum
• Frequency/pulse output (Model 1700/2700):
- Can be used to indicate either flow rate or total; Model 1700 output reports the same flow
variable as the mA output, Model 2700 output is independent from mA output
- Scalable to 10,000 Hz
- Linear with flow rate to 12,500 Hz
- Configurable polarity: active high or active low
- Maximum load limit: see following chart
0
100
200
300
400
500
600
700
800
900
1000
12 14 16 18 20 22 24 26 28 30
mA Output Load Resistance Value
R
max
= (V
supply
- 12)/0.023*
*If communicating with HART a minimum of 250 Ohms
and 17.75 V supply is needed
Supply voltage (volts)
External resistor (Ohms)
Operating
Region