78M6612-DB/OMU-USB Maxim Integrated Products, 78M6612-DB/OMU-USB Datasheet - Page 24

• Manufacturer Part Number: 78M6612-DB/OMU-USB
• Description: KIT DEMO OUTLET MEASUREMENT OMU1
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-DB/OMU-USB

• Data Bus Width: 8 bit
• Interface Type: USB
• Tool Type: Demonstration Board
• Core Architecture: 8051
• Cpu Core: 80515
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6612_OMU_S2+2_URT_V1_14 Firmware Description Document
Table 3 lists the wideband measurement outputs for Outlet 1.
24
Temperature
Alarm Status
Angle_nb A
Frequency
Reserved
Reserved
Output
Output
Phase
Delta
Max
Line
Location
Location
(hex)
(hex)
1D
1E
1F
20
21
22
Table 3: Outlet 1 MPU Outputs for Wideband Method
0.01 Hz
0.1 °C
LSB
LSB
–
–
–
Bit 1 – Maximum Temperature Alarm.
Narrowband Power Factor Negative
Temperature difference from 22° C.
Threshold Alarm for Outlet 1. Only
Bit 3 – Maximum Frequency Alarm.
Threshold Alarm for Outlet 1. Only
Bit 2 – Minimum Frequency Alarm.
Narrowband Power Factor Positive
Wideband Power Factor Negative
narrowband current exceeded on
narrowband current exceeded on
Wideband Power Factor Positive
Bit 5 – MINVA
Bit 6 – MAXVA
Bit 13 – MAXIB_NB
Note: Duplicate of address 0x00
Note: Duplicate of address 0x01
Bit 8 – MAXIA_WB
Definition for Status Register
Bit 7 – MAXIA_NB
wideband current exceeded on
Outlet 1 maximum narrowband
Bit 0 – Minimum Temperature
Threshold Alarm for Outlet 1.
Threshold Alarm for Outlet 1.
Bit 11 – PFA_WB negative -
Bit 12 – PFA_WB positive
Bit 10 – PFA_NB positive
Bit 9 – PFA_NB negative –
Bit 4 - SAG Voltage Alarm.
available is )F2 bit 2 is 1.
available is )F2 bit 2 is 1.
phase angle measured.
voltage on VA input.
voltage on VA input.
Line Frequency
(see
(see
Comment
Comment
Reserved
Reserved
Outlet 1.
Outlet 1.
Outlet 2.
Alarm.
Table
Table
–
–
under minimum
over maximum
–
–
–
2)
2)
maximum
maximum
maximum
–
–
If the maximum narrowband phase
Note: When AC voltage input is less
Located at addr 0xBD (see
Note: The frequency measurement
angle measured on Outlet 1 is 70
is forced to 0 as long as the SAG
If external temperature is 32 °C
•
•
Note: Additional Status Alert is
If the line frequency is 60 Hz:
Alarms become “1” when
than or equal to 10 V
voltage alarm is active.
Only MINVA alarm is active.
All measurements are forced
to 0 except power factor,
which is forced to 1.
thresholds exceeded.
)1D?<CR>
Example
Example
)20?<CR>
)21?<CR>
Reserved
Reserved
Returns:
Returns:
Returns:
degrees
+70.000
+60.00
+10.0
UG_6612_017
RMS
Rev. 1.0
Table
,
8)