產(chǎn)品細(xì)節(jié)介紹
140DRA84000繼電器輸出模塊
模塊安裝單元已經(jīng)安裝在系統(tǒng)機(jī)柜并準(zhǔn)備就緒。電源和過(guò)程控制模塊以及接線和電纜連接通常完整的。本節(jié)介紹跳線的選擇控制通道和模塊總線分段，并提供了一個(gè)示意圖，顯示了與安裝件之間的電纜連接單元本節(jié)還包含處理器總線適配器（PBA）支架安裝程序和圖表帶有安裝單元底板連接器引腳分配。
此信息在需要維修或更換時(shí)提供。
工具模塊安裝單元需要以下工具
安裝和連接：?電纜插入器，用于安裝和拆卸電源、PFI和模塊狀態(tài)信號(hào)的兩根五芯扁平電纜底板上（Elsag Bailey零件參考表5-3編號(hào)）。
注：如果使用單獨(dú)的電線連接電源、PFI和模塊狀態(tài)（圖3-2）。
?16英寸十字螺絲刀。
?12英寸一字螺絲刀。
控制通道和模塊總線分段安裝單元底板電路板上的跳線J1至J4分割控制通道或模塊總線信號(hào)。高達(dá)可以創(chuàng)建三個(gè)段。J1和J4控制總線B，同時(shí)J2和J3控制總線A。跳線設(shè)置為2至3時(shí)，信號(hào)繼續(xù)穿過(guò)底板。跳線設(shè)置為1到2，信號(hào)斷開(kāi)并連接到單獨(dú)的上拉電路。跳線位置見(jiàn)圖3-1，表3-1跳線設(shè)置。
模塊安裝單元安裝在機(jī)柜安裝架上軌道，使用四個(gè)10-32夾緊螺母和四個(gè)10-32x0.5英寸螺釘。
卡底盤部分上的開(kāi)槽法蘭安裝單元用于安裝。
機(jī)柜后部的IEMMU11和IEMMU21安裝架以及機(jī)柜前部的IEMMU 12和IEMMU 22安裝架內(nèi)閣。
IEMMU11和IEMMU21安裝單元提供物理最多可安裝12個(gè)系統(tǒng)模塊或10個(gè)系統(tǒng)模塊以及最多兩個(gè)電源模塊。
IEMMU12和IEMMU22安裝單元提供最多12個(gè)系統(tǒng)模塊。安裝IEMMU11、IEMMU12、IEMMU 21或?qū)EMMU22安裝到使用IEMMU01的機(jī)柜中或IEMMU02安裝單元，則需要一個(gè)過(guò)渡板不同安裝單元之間的I/O擴(kuò)展器總線連接（例如，連接到IEMMU01單元的IEMMU22單元）。
1.過(guò)渡板安裝在IEMMU11上，IEMMU12、IEMMU21或IEMMU22安裝單元底板。
小心地打開(kāi)連接器（P58或P60）上的凸耳將過(guò)渡板安裝在連接器的引腳上，并按壓到位。小心不要損壞銷。
注意：過(guò)渡板組件必須安裝在左側(cè)安裝單元的連接器插座（從后面看）背板、連接器P58或P60。
2.將連接器上的兩個(gè)凸耳擠在一起，以鎖定過(guò)渡板就位。
Normally the module mounting unit
is already installed in the system cabinet and ready for service. Power and process control modules and the wiring and cable connections are usually completed. This section describes the jumper selections for Controlway and module bus segmenting and provides an illustration showing cable connections to and from the mounting unit. This section also contains the processor bus adapter (PBA) bracket installation procedure and tables and figures with the mounting unit backplane connector pin assignments. This information is provided in the event that repair or replacement is required. TOOLS The following tools are needed for module mounting unit installation and connection: ? Cable inserter for installing and removing the two five-conductor flat cables for power, PFI, and module status signals on the backplane (refer to Table 5-3 for Elsag Bailey part number). NOTE: The cable inserter is not needed if using individual wires for connecting power, PFI, and module status (Fig. 3-2). ? 16-inch Phillips-head screwdriver. ? 12-inch flatblade screwdriver. CONTROLWAY AND MODULE BUS SEGMENTING Jumpers J1 through J4 on the mounting unit backplane circuit board split the Controlway or module bus signal. Up to three segments can be created. J1 and J4 control bus B while J2 and J3 control bus A. With the jumpers set 2 to 3, the signal continues across the backplane. With the jumpers set 1 to 2, the signal is broken and connected to a separate pull-up circuit. Refer to Figure 3-1 for jumper locations and to Table 3-1 for jumper settings.
The module mounting unit
is mounted to the cabinet mounting rails using four 10-32 clip nuts and four 10-32 × 0.5-inch screws. Notched flanges on the card chassis portion of the mounting unit are used for mounting. The IEMMU11 and IEMMU21 mount from the rear of the cabinet and the IEMMU12 and IEMMU22 mount from the front of the cabinet. The IEMMU11 and IEMMU21 mounting units provide physical mounting for up to 12 system modules, or ten system modules and a maximum of two power modules. The IEMMU12 and IEMMU22 mounting units provide physical mounting for up to 12 system modules.
When installing an IEMMU11, IEMMU12, IEMMU21, or IEMMU22 mounting unit into a cabinet that is using IEMMU01 or IEMMU02 mounting units, a transition board is required for the I/O expander bus connection between the different mounting units (e.g., IEMMU22 unit connected to an IEMMU01 unit). 1. The transition board is installed on the IEMMU11, IEMMU12, IEMMU21, or IEMMU22 mounting unit backplane. With the tabs on the connector (P58 or P60) open, carefully install the transition board on the pins of the connector and press into position. Be careful not to damage the pins. NOTE: Transition board assembly must be installed in the left-hand connector socket (as viewed from the rear) of the mounting unit backplane, connector P58 or P60. 2. Squeeze the two tabs on the connector together to lock the transition board in position.
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