3BHE014135R0011控制模塊,ABB使用過程
串行端口4傳輸時鐘配置（J17）在同步串行通信中，您可以在上配置串行端口4MVME2603/2604使用TxC信號提供的時鐘信號線收割臺J17將端口4配置為驅(qū)動或接收TxC。這個出廠配置將端口4設(shè)置為接收TxC。要完成串行端口4的配置，必須設(shè)置以下內(nèi)容配置標(biāo)頭：
? J16（串行端口4接收時鐘配置）? J20（串口4發(fā)送時鐘接收器緩沖控制）
3BHE014135R0011控制模塊? MVME712M過渡模塊上的J15或MVME761上的J3轉(zhuǎn)換模塊（串行端口4時鐘配置）圖1-9和圖1-10（適用于MVME712M）以及圖1-14和圖1-15（對于MVME761）顯示了整體跳線設(shè)置串行端口的MVME2603/2604和轉(zhuǎn)換模塊上需要4 DCE或DTE配置。
有關(guān)這些標(biāo)頭配置的更多詳細(xì)信息，請參閱MVME712M過渡模塊準(zhǔn)備，第1-14頁，MVME761第1-25頁的過渡模塊準(zhǔn)備，或各用戶的過渡模塊手冊（見附錄D，相關(guān)文件）。串口4發(fā)送時鐘接收器緩沖控制（J20）其他章節(jié)所述，串行端口4的完整配置需要在上設(shè)置以下跳線標(biāo)頭
MVME2603/2604或過渡模塊：? MVME712M兼容版本的基板上的J16（串行端口4接收時鐘配置）? J17（串行端口4傳輸時鐘配置）? J20（串行端口4發(fā)送時鐘接收器緩沖控制）開啟MVME712M兼容版本的基板? MVME712M過渡模塊上的J15或MVME761上的J3（串行端口4時鐘配置）與發(fā)射時鐘接收器緩沖器（由報頭J20控制）相關(guān)聯(lián)具有串行端口4。在J20上安裝跳線可以啟用緩沖區(qū)。正在刪除跳線禁用緩沖器。出廠配置具有串行端口4緩沖區(qū)已啟用。J20在MVME761兼容版本上保持開放。在MVME712M兼容版本上，J20與J17串聯(lián)設(shè)置，以配置串行端口4傳輸時鐘。如果其中一個偏離了出廠配置，那么必須另一個。
圖1-9和圖1-10（適用于MVME712M）以及圖1-14和圖1-15（對于MVME761）顯示了整體跳線設(shè)置串行端口的MVME2603/2604和轉(zhuǎn)換模塊上需要4 DCE或DTE配置。
Serial Port 4 Transmit Clock Configuration (J17)
In synchronous serial communications, you can configure Serial Port 4 on
the MVME2603/2604 to use the clock signals provided by the TxC signal
line. Header J17 configures port 4 to either drive or receive TxC. The
factory configuration has port 4 set to receive TxC.
To complete the configuration of Serial Port 4, you must set the following
configuration headers as well:
? J16 (Serial Port 4 receive clock configuration)
? J20 (Serial Port 4 transmit clock receiver buffer control)
? J15 on the MVME712M transition module or J3 on the MVME761
transition module (Serial Port 4 clock configuration)
Figure 1-9 and Figure 1-10 (for the MVME712M) and Figure 1-14 and
Figure 1-15 (for the MVME761) diagram the overall jumper settings
required on the MVME2603/2604 and transition module for a Serial Port
4 DCE or DTE configuration.
For additional details on the configuration of those headers, refer to
MVME712M Transition Module Preparation on page 1-14, MVME761
Transition Module Preparation on page 1-25, or to the respective user’s
manuals for the transition modules (listed in Appendix D, Related
Documentation) as necessary.Serial Port 4 Transmit Clock Receiver Buffer Control (J20)
As described in other sections, a complete configuration of Serial Port 4
requires that you set the following jumper headers on the
MVME2603/2604 or the transition module:
? J16 (Serial Port 4 receive clock configuration) on MVME712Mcompatible versions of the base board
? J17 (Serial Port 4 transmit clock configuration)
? J20 (Serial Port 4 transmit clock receiver buffer control) on
MVME712M-compatible versions of the base board
? J15 on the MVME712M transition module or J3 on the MVME761
(Serial Port 4 clock configuration)
A transmit clock receiver buffer (controlled by header J20) is associated
with Serial Port 4. Installing a jumper on J20 enables the buffer. Removing
the jumper disables the buffer. The factory configuration has the Serial
Port 4 buffer enabled.
J20 remains open on MVME761-compatible versions. On MVME712Mcompatible versions, J20 is set in tandem with J17 to configure the Serial
Port 4 transmit clock. If one deviates from the factory configuration, so
must the other.
Figure 1-9 and Figure 1-10 (for the MVME712M) and Figure 1-14 and
Figure 1-15 (for the MVME761) diagram the overall jumper settings
required on the MVME2603/2604 and transition module for a Serial Port
4 DCE or DTE configuration
