17
18
APPENDIX A
(continued)
PATTON ELECTRONICS MODELS 1001RPSM-R48V plus
1001RPEM-RVDC, 48VDC SPECIFICATIONS
APPENDIX A
(continued)
PATTON ELECTRONICS MODELS 1001RPSM-R48V plus
1001RPEM-RVDC, 48VDC SPECIFICATIONS
Interface Signals and Internal Protection
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Indicators
GREEN indicator for normal
operating mode.
RED indicators for power fail
and excessive internal temperatures.
Power Fail Warning
Logic LOW to 1000MC control card
0.7
VDC
(TTL compatible)
(denotes power fail detected).
Logic HIGH with internal pull-up
10
k ohm
to output.
Output low voltage trip point.
11.6
11.8
12.0
VDC
Power fail trip point, maximum
30
36
38
VDC
load, decreasing input.
Time before regulation dropout,
200
us
full load, due to loss of input power.
Alarm Contacts
Normally-open and normally closed
contacts via 3-position terminal block
(1A@30V). Contacts operate upon
power failure detection.
Overtemperature
RED indicator. Shifts power fail
Indication
signal to a logic LOW state.
Output voltage during
4
4.5
5
VDC
overtemperture condition
User Controls
Single jumper to select
“maintenance mode.” (No alarm
if PS is removed).
Safety, Regulatory and EMI Specifications
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Agency Approvals
NRTL US UL/1950, CAN CSA/950
EN60950
Recognized
CE Mark
FCC Part 15, Class A
Dielectric Withstand
Input to output, 1 second
3000
VRMS
Voltage
Input to chassis, 1 second
1500
VRMS
Safety, Regulatory and EMI Specifications
PARAMETER
CONDITIONS/DESCRIPTION
MIN
NOM
MAX
UNITS
Operating
At 100% load. 0 50 °C
Temperature
Derate linearly above At 50% load.
70 °C
50°C by 2.5% per °C.
Storage Temperature
-40
85 °C
Relative Humidity
Non-condensing
90
%RH
Weight
0.7
lbs.
