CMU-212 Cabinet Monitor Unit
Operations Manual
Eberle Design Inc.
Page 20
Section 5
SPECIFICATIONS
5.1 ELECTRICAL
Power
Requirements
Operating Line Voltage ................................................................................... 75 to 135 Vac
Operating Line Frequency .................................................................................... 60 ± 3 Hz
Power Consumption .............................................................................. 10 Watts Maximum
AC
Voltage
Monitors
Red Field Signals
Active ........................................................................................ greater than 70 Vrms
Not Active ...................................................................................... less than 50 Vrms
Yellow Field Signals
Active ........................................................................................ greater than 25 Vrms
Not Active ...................................................................................... less than 15 Vrms
Green Field Signals
Active ........................................................................................ greater than 25 Vrms
Not Active ...................................................................................... less than 15 Vrms
Local Flash Status, MC Coil Status, MC Secondary Status, FTR Coil Drive, CB Trip Status,
Front / Rear Door Switch
Active ........................................................................................ greater than 89 Vrms
Not Active ...................................................................................... less than 70 Vrms
Power
Fail
Monitor
AC Line Restore ............................................................................ greater than 87 ± 2 Vrms
AC Line Dropout ................................................................................. less than 82 ± 2 Vrms
DC
Voltage
Monitors
+24 Volt Monitor
Active ........................................................................................... greater than 22 Vdc
Not Active ......................................................................................... less than 18 Vdc
+12 Volt Monitor
Active ........................................................................................... greater than 11 Vdc
Not Active .......................................................................................... less than 9 Vdc
Logic
Inputs
External Test Reset, Serial Bus #1 Disable, Address 0, Address 1
Not Active (False) ........................................................................ greater than 16 Vdc
Active (True) ...................................................................................... less than 8 Vdc
CMU
Temperature
Accuracy ..................................................................................................................... ± 6
o
C
5.2 TIMING
Cabinet Power Supplies
Fault ........................................................................................... greater than 500 ms
No Fault ........................................................................................... less than 200 ms
Typical ............................................................................................................ 350 ms
Conflict
Fault ........................................................................................... greater than 500 ms
No Fault ........................................................................................... less than 200 ms
Typical ............................................................................................................ 350 ms
Serial Bus #1 Error
