Emerson Process Management ControlWave XFC - Manual (Page 90)

4-2 / Specifications CI-ControlWave XFC
Table 4-3 - RS-485 Port (COM3 – Model 3808 Intf. Port) Pin Assignments
Pin # Signal
RS-485
Description:
RS-485 Signals
J2-1 GND Signal/Power Ground
J2-2 TR- Transmit/Receive Neg. I/O
J2-3 TR+ Transmit/Receive Pos. I/O
J2-4 +V Power (for 3808)
4.3 INPUT POWER SPECIFICATIONS
Note: Voltages are dc unless otherwise specified.
Operating Range:
+6.0V to +30.0V (Shutdown occurs at +5.46V nominal)
Electrical Isolation:
None
Surge Suppression:
30V Transorb to GND
Meets ANSI/IEEE C37.90-1978
Fusing:
.375A Slow Blow
4.4 I/O BOARD SPECIFICATIONS
4.4.1 External Power Monitor Specs.
Input Signal:
Input power after fuse and Diode
Input Range:
0 to 30Vdc
Resolution: 12
Bit
Accuracy: Calibrated:
±100mV @ +25°C (+77°F)
Calibrated: ±200mV over -40 to +80°C (-40 to +176°F)
4.4.2 Power Supply Sequencer Specs.
Signals Monitored: Input Power
Sequencer Switchpoints:
+3.3V Max. ON Switchpoint = +3.15V
+3.3V Min. OFF Switchpoint = +3.00V
+1.8V Max. ON Switchpoint = +1.72V
+1.8V Min. OFF Switchpoint = +1.64V
Sequencer Output Signals: PFDLYCLK Timing on power down 2msec after POWER-
FAIL
VIN100M timing on power Up 1800msec delay for Good
Power
POWERGOOD incoming power, 3.3V & 1.8V in Spec.