User Manual Part 1

CIRCUIT ANALYSIS
MM101271V1 R2A 55
7.7 POWER SUPPLY (A5) PS101328V1
The power supply used with the SitePro Controller is a 40 watt DC-DC, open frame
supply (Figure 2 - SitePro Controller Shelf Assembly). Specifications for this supply are:
INPUT VOLTAGE: 24 VDC nominal; 10-30 VDC continuous input.
INPUT CURRENT: Maximum input current at minimum 10 VDC
with full rated output load at 6 Amps max.
DC OUTPUTS:
OUTPUT OUTPUT
(V)
MINIMUM
LOAD
CURRENT (I) TOTAL
REGULATION
V1 OVP
SET.
RIPPLE
AND
NOISE
NOTES
1 +5.1 V 0.1 Amp 4 Amps 2% 6.2±0.6V 1%
2 +12 V 0.05 Amp 2 Amps 6% 1% A & B
3 -12 V 0 Amps 0.4 Amp 5% 1%
OUTPUT POWER: Normal continuous output power is 40 W, 45 W
peak for 60 seconds.
OVERLOAD PROTECTION: Fully protected against short circuit and output
overload.
TEMPERATURE RANGE: -30 to 60°C at full rated output power.
HUMIDITY: Operating 0-95% RH
ALTITUDE: Operating -500 to 10,000 ft.
7.8 MISCELLANEOUS INFORMATION
7.8.1 Serial Port Data Format
The serial ports transfer RS-232 asynchronous serial data at a rate of 38.4k using the half-
duplex operating mode. That is, data flows in only one direction at a time. The
characteristics of the communication link are:
Type: RS-232C
Baud Rate: 38.4 kilobaud
Start Bits: 1
Stop Bits: 1
Parity: None
Data Type: Binary