78M6612-DB/OMU-USB Maxim Integrated Products, 78M6612-DB/OMU-USB Datasheet - Page 28

• 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 4 lists the narrowband measurement outputs for Outlet 2.
28
Temperature
Alarm Status
Frequency
Output
Delta
Line
Location
(hex)
40
41
42
Table 4: Outlet 2 MPU Outputs for Narrowband Method
0.01 Hz
0.1 °C
LSB
Temperature difference from 22° C.
Outlet 2. Only available is )F2 bit 2
Bit 3 – Maximum Frequency Alarm.
Threshold Alarm for Outlet 1. Only
Narrowband Power Factor Positive
Bit 2 – Minimum Frequency Alarm.
Outlet 1. Only available is )F2 bit 2
Wideband Power Factor Negative
narrowband current exceeded on
narrowband current exceeded on
Wideband Power Factor Positive
Bit 14 – MAXIB_WB
Bit 5 – MINVA
Bit 6 – MAXVA
Note: Duplicate of address 0x00
Note: Duplicate of address 0x01
Bit 13 – MAXIB_NB
Definition for Status Register
Bit 8 – MAXIA_WB
Bit 7 – MAXIA_NB
wideband current exceeded on
wideband current exceeded on
Bit 1 – Maximum Temperature
Bit 0 – Minimum Temperature
Negative Threshold Alarm for
Negative Threshold Alarm for
Threshold Alarm for Outlet 1.
Bit 11 – PFA_WB negative
Threshold Alarm for Outlet 1.
Bit 12 – PFA_WB positive
Bit 15 – PFB_NB negative –
Bit 10 – PFA_NB positive
Bit 4 – SAG Voltage Alarm.
Bit 9 – PFA_NB negative –
Narrowband Power Factor
Narrowband Power Factor
available is )F2 bit 2 is 1.
voltage on VA input.
voltage on VA input.
Line Frequency
(see
(see
Comment
Outlet 1.
Outlet 1.
Outlet 2.
Outlet 2.
Alarm.
Alarm.
is 1.
is 1.
Table
Table
–
–
under minimum
over maximum
–
–
–
2).
2).
–
maximum
maximum
maximum
maximum
–
–
–
Note: The frequency measurement
Located at addr 0xBD (see
is forced to 0 as long as the SAG
Note: When AC voltage input is
If external temperature is 32 °C
Note: Additional Status Alert is
•
•
less than or equal to 10 V
If the line frequency is 60 Hz:
Alarms become “1” when
voltage alarm is active.
thresholds exceeded.
Only MINVA alarm is active.
All measurements are
forced to 0 except power
factor, which is forced to 1.
)41?<CR>
Example
)40?<CR>
Returns:
Returns:
+60.00
+10.0
8).
UG_6612_017
Rev. 1.0
RMS
Table
,