zm7100 Power-One, zm7100 Datasheet - Page 16

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zm7100

Manufacturer Part Number
zm7100
Description
Zm7100 Series Digital Power Manager
Manufacturer
Power-One
Datasheet

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10.2.1
In the case of system failure (IBV_L, IBV_H, AC_FAIL, RES_N), the data for 10 monitoring cycles immediately
preceding the system shutdown is copied into the non-volatile ring buffer memory. After the system shutdown, the
ring buffer can be accessed either via the GUI or directly via the I
data will be stored in the ring buffer until the next time the system is turned on therefore allowing for remote
diagnostics and troubleshooting. Once the data is written into the ring buffer it cannot be overwritten until the DPM
supply voltage is recycled or the ring buffer is cleared in GUI as shown in Figure 11 or directly via the I
using high and low level commands.
Contents of the ring buffer can be displayed in the GUI IBS Monitoring Window shown in Figure 12 or can be read
directly via the I
REV. 4.0 JUL 28, 2006
Ring Buffer
2
C bus using high and low level commands.
Bit 7
Bit 6:5 Unimplemented, read as ‘0’
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W-0
TOC
Bit 7
TOC: Turn-On Configuration
0 = Auto turn-on of group after POR
1 = Manual turn-on of group after POR
NST: Notify user when STx changes
0 = Disables auto notification
1 = Enables auto notification
Unimplemented, read as ‘0’
SMON: Retrieve status monitoring data
0 = Disables auto retrieve of status monitoring data from the POLs
1 = Enables auto retrieve of status monitoring data from the POLs
PMON: Retrieve parametric monitoring data
0 = Disables auto retrieve of parametric monitoring data from the POLs
1 = Enables auto retrieve of parametric monitoring data from the POLs
FRM: Frequency of retrieving monitoring data
0 = 1Hz update frequency
1 = 2Hz update frequency
---
U
---
U
Figure 10. Group Configuration Registers GxC
www.power-one.com
R/W-0
NST
---
U
R/W-1
SMON
ZM7100 Series Digital Power Manager
PMON
R/W-0
2
C bus using high and low level commands. The
FRM
R/W-0
Bit 0
R = Readable bit
W = Writable bit
U = Unimplemented bit,
- n = Value at POR reset
read as ‘0’
Page 16 of 29
Data Sheet
2
C bus

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