参数资料
| 型号： | AC164142 |
| 厂商： | Microchip Technology |
| 文件页数： | 35/38页 |
| 文件大小： | 0K |
| 描述： | BOARD DAUGHTER PWR LINE MODEM |
| 特色产品： | AC164142 PICtail? Plus Daughter Board |
| 标准包装： | 1 |
| 系列： | PICtail™ Plus |
| 主要目的： | 接口，电源线路收发器 |
| 嵌入式： | 否 |
| 主要属性： | AC 电源线收发器，BPSK 7.2 Kbps |
| 次要属性： | 需要 Explorer 16 板 |
| 已供物品： | 2 板，线缆，文档 |
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CONSUMER-BAND BPSK 7.2 kbps
PLM PICtail? PLUS DAUGHTER
BOARD USER ’S GUIDE
Appendix C. Troubleshooting Guide
Appendix C discusses common operational issues and methods to resolve them.
C.1
FREQUENTLY ASKED QUESTIONS
C.1.1
The daughter boards are not able to communicate on the power
line. What can I do to fix the problem?
Possible reasons for the daughter boards to lose the communication link are:
C.1.1.1
DAUGHTER BOARDS CONNECTED ON TWO DIFFERENT POWER
SUPPLY PHASES
Connecting daughter boards to power outlets on different phases may result in partial
or total loss of the communication link. If you observe that the daughter boards are not
able to communicate, try relocating the daughter boards to other power outlets or use
a signal coupler device to couple the communication signals across the phases, as
C.1.1.2
SOFTWARE CONFIGURATION NOT COMPATIBLE WITH HARDWARE
DESIGN
Some of the configuration settings are hardware dependent and these settings should
match the hardware being used. Following configuration settings are hardware
dependent:
?
?
?
?
Hi-Z signal polarity (PLM_OE, default: PLM_OE_ACTIVE_LOW_HIZ)
Hi-Z signal pin (PLM_OE_LAT, default: LATF, #0)
ADC input channel (PLM_ADC_CHNL, default: 8)
Carrier frequency (PLM_FC, default: 129600)
C.1.1.3
POTENTIOMETER (P1) SET AT A LOW VALUE
The potentiometer (P1) is used to adjust the average output amplitude transmitted from
the daughter board. If the potentiometer is set too low the transmitted signal power may
not to be reliably detected by the other daughter board. It is preferable to set the
potentiometer value close to the "MAX" position (turn counter clockwise).
C.1.1.4
DISSIMILAR CONFIGURATION SETTINGS
Daughter boards will not be able to communicate if they are programmed with
dissimilar settings for certain configuration options like carrier frequency, Forward Error
Correction (FEC), framing and baud rate.
C.1.1.5
IMPROPER JUMPER CONFIGURATION
Ensure that the jumpers at CS (JP2) and RX (JP3) are in place (default: JP2 - RF0, JP3
- AN8). Improper jumper settings can disable the transmitter or receiver sections of the
daughter board.
? 2011 Microchip Technology Inc.
DS70656A-page 35
相关PDF资料 |
PDF描述 |
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| AC164144 | LLC PICTAIL PLUS DAUGHTR BRD |
| AC164145 | BOARD DAUGHTER PWR LINE MODEM |
| AC243005-1 | KIT MEMORY SERIAL SUPERFLASH 1 |
| AC244002 | PAK PERFORMANCE MPLAB REAL ICE |
| AC244005 | KIT MPLAB REAL ICE ISOLATOR |
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