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The H902PISB board is an AC power board, consisting of an AC power unit and a monitoring unit. The board supplies power to the device and supports the lead-acid or iron lithium battery for power backup. The AC power unit provides overcurrent, output overvoltage, short circuit, and over-temperature protection. The monitoring unit provides comprehensive management for the power system and storage battery, and also provides environment monitoring functions.
Figure 1 Appearance
The H902PISB board supports the following features and specifications:
1 channel of 220 V AC or 110 V AC input
Rated output power: 600 W
1 lead-acid or iron lithium battery for backup power
Input overcurrent protection
Input power monitoring
Temperature query and high-temperature alarm
Parent Topic: Power Board
Figure 2 Working principle of the H902PISB board
Indicates the monitoring signal channel. | Indicates the alarm signal channel. | ||
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DC power | E2PROM circuit: stores the vendor information of the board. | ||
AC power |
Parent Topic: Power Board
Parent Topic: Power Board
Indicator | Name | Color | Status | Operation Description |
---|---|---|---|---|
AC IN | AC input indicator | Green | On | Indicates that the AC input power is normal |
- | Off | Indicates that the AC input power is abnormal | ||
DC OUT | DC output indicator | Green | On | Indicates that the DC output power is normal |
- | Off | Indicates that the DC output power is abnormal | ||
BAT | Power board battery connection indicator | Green | On | Indicates that battery connection is normal |
- | Off | Indicates that battery connection is abnormal | ||
PMU | Monitoring board running status indicator | Green | Blinking quickly (on for 0.25 s and off for 0.25 s repeatedly) | Indicates that program loading is in progress (in this process, board insertion or removal is prohibited) |
Green | Blinking slowly (on for 1 s and off for 1 s repeatedly) | Indicates that the board runs normally | ||
Red | Blinking | Indicating that the board is starting up | ||
Red | On | Indicates that a critical alarm is reported | ||
Orange | Blinking | Indicates that a minor alarm (such as the high temperature alarm) is reported |
Parent Topic: Power Board