Rockwell Automation 1758-RTU202 DataSite Hardware User Manual - Manual (Page 62)

Publication 1758-UM001D-EN-P - June 2011
62 Specifications
Analog Output
Attribute Value
Digital/Analog (D/A)
resolution 16-bit
Power supply Successive approximation
Output signal range 4…20 mA
Maximum load
Impedance 1000
Ω with 24V DC loop power
400
Ω with 12V DC loop power
Output type Single ended regulation on positive side with common
negative return
Isolation voltage 70V AC or 100V DC
Absolute accuracy ±0.2% (25 °C with 250
Ω load)
±0.5% (full temperature range, 0…1000
Ω load)
Response time 100 ms typical (10% to 90%)
Noise and ripple, max 0.04%
Transient protection 600 W
HART
Attribute Value
Modulation Frequency Shift Keying (FSK)
Logic 1 - 1200 Hz
Logic 0 - 2200 Hz
Data rate 1200 bps
Transmit level 500 mVp-p / 250
Ω
Receive sensitivity 120 mVp-p/ on
80 mVp-p/ off
Output impedance 300
Ω
transformer isolated
Input impedance 4000
Ω
transformer isolated
Load resistor 250
Ω, 1 W max