4.3 Base Unit Specifications
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4.3
Base Unit Specifications
The specifications of the Base Units are listed in the following table.
Item
Specification
1 slot 3 slots 8 Slots 8 Slots
Model JEPMC-BU3304-E JEPMC-BU3303-E JEPMC-BU3302-E JEPMC-BU3301-E
Abbreviation MBU-304 MBU-303 MBU-302 MBU-301
Number of Slots1388
Mountable Modules MP2000-series Optional Modules
Power
Supply
Section
Input Voltage 24 VDC 100/200 VAC
Allowable Input
Voltage Range
19.2 to 28.8 VDC
85 to 132 VAC or
170 to 276 VAC
Allowable Fre-
quency Range
− 47 to 63 Hz
Input Current
1.0 A max. (at
rated input/output)
1.7 A max. (at
rated input/output)
3.1 A max. (at
rated input/output)
1.2 A or 0.8 A
max. (at rated
input/output)
Inrush Current 40 A, 10 ms max.
20 A, 10 ms max.
(fully discharged,
132-VAC input,
rated output)
50 A, 10 ms max.
(fully discharged,
276-VAC input,
rated output)
Allowable
Power Loss
Time
1 ms 20 ms
Rated Voltage 5.15 V
Rated Current2.5 A4.5 A9.0 A9.0 A
Output Current
Range
0 to 2.5 A 0 to 4.5 A 0.3 to 9.0 A 0.3 to 9.0 A
Rated Voltage
Accuracy
5.15 V ±2% max. (5.05 to 5.25 V)
Battery You can mount a memory backup Battery.
RLY OUT
A NO relay output that is linked to the CPU Module status
• Normal operation: Circuit closed.
• Error: Circuit open.
Contact Ratings
Indicators POWER
Connectors
• POWER: Power supply connector
• RLY OUT: Relay contact connector
Input Voltage Current Capacity
24 VDC
0.5 A (resistive load)
0.25 A (inductive load)
125 VAC
0.4 A (resistive load)
0.2 A (inductive load)