| Channel type and functionality
|
Intrinsically safe analog input:
- 4-20 mA with HART
- 0-20 mA
|
| Nominal signal range (span)
|
- 4-20 mA
- 0-20 mA (optional)
|
| Full signal range
|
0-22 mA
|
| Input impedance
|
360 Ω
|
| Input offset voltage
|
2.0 VDC (maximum)
|
| 2-wire transmitter power
|
- 16.0 VDC minimum
at 20 mA
- Current limit: 30
mA (maximum)
|
| Accuracy over temperature range
|
- 0.1% of span (0 to
60°C)
- 0.25% of span
(-40°C to 70°C)
|
| Repeatability
|
0.05% of span
|
| Resolution
|
16-bit
|
| Calibration
|
None required
|
| Channel isolation
|
Galvanically isolated according to EN
60079-11, voltage peak value 375 VDC.
|
| Input power requirements
|
+24 VDC input power: +24 VDC ±10% at 60 mA
maximum
|
| CHARM heat dissipation (includes terminal
block)
|
0.86 W
|
| HART scan time
|
Typically less than one second but is
dependent on HART communication loading and the capability of the HART device.
|
| HART Communications
|
- HART 7
pass-through request/response
- HART 7 variable
report
- Field device
status report
|
