電源模塊 1756-IM16I
可編程邏輯控制器系統(tǒng)的通信接口應(yīng)包括串行和并行通信接口、RIO通信口、常用DCS接口等；大中型可編程邏輯控制器通信總線（含接口設(shè)備和電纜）應(yīng)1：1冗余配置，通信總線應(yīng)符合國際標(biāo)準(zhǔn)，通信距離應(yīng)滿足裝置實際要求。
可編程邏輯控制器系統(tǒng)的通信網(wǎng)絡(luò)中，上級的網(wǎng)絡(luò)通信速率應(yīng)大于1Mbps，通信負荷不大于60%。可編程邏輯控制器系統(tǒng)的通信網(wǎng)絡(luò)主要形式有下列幾種形式：
1）、PC為主站，多臺同型號可編程邏輯控制器為從站，組成簡易可編程邏輯控制器網(wǎng)絡(luò)；
2）、1臺可編程邏輯控制器為主站，其他同型號可編程邏輯控制器為從站，構(gòu)成主從式可編程邏輯控制器網(wǎng)絡(luò)；
3）、可編程邏輯控制器網(wǎng)絡(luò)通過特定網(wǎng)絡(luò)接口連接到大型DCS中作為DCS的子網(wǎng)；
4）、專用可編程邏輯控制器網(wǎng)絡(luò)（各廠商的專用可編程邏輯控制器通信網(wǎng)絡(luò)）。
為減輕CPU通信任務(wù)，根據(jù)網(wǎng)絡(luò)組成的實際需要，應(yīng)選擇具有不同通信功能的（如點對點、現(xiàn)場總線、）通信處理器。
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| CACR-PR01AA4AH |
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| CACR-PR20BCAF |
| CACR-PR30BCAF |
| CACR-PRA5AA4AH |
| CACR-SR01AA2AH |
| CACR-SR01AB1ER |
| CACR-SR01AE1ER |
| CACR-SR01AY1SR |
| CACR-SR02AD1ER |
| CACR-SR02AD1FR |
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| CACR-SR03AA2AH |
| CACR-SR03AB1ER |
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| CACR-SR03AC1ER |
| CACR-SR03AC1FU |
| CACR-SR03AD1KR |
| CACR-SR03BB1AF |
| CACR-SR03BB1AM |
| CACR-SR03BB1BF |
| CACR-SR03BB1CS |
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| CACR-SR03BB1HS |
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| CACR-SR03SZ1SS |
| CACR-SR03TB5BM |
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| CACR-SR03TZ6SF |
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| CACR-SR05AY1SR |
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| CACR-SR05BB1BS |
| CACR-SR05BB1ES |
| CACR-SR05BC1ES |
| CACR-SR05BZ1SF |
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| CACR-SR05SB1AF |
| CACR-SR05SB1BF |
| CACR-SR05SZ1SS |
| CACR-SR06TZ6SM |
| CACR-SR07AC1CS |
| CACR-SR07AC1ER |
| CACR-SR07AC1ES |
| CACR-SR07BB1AM |
| CACR-SR07BZ1SM |
| CACR-SR09TZ0SF |
| CACR-SR09TZ6SF |
| CACR-SR10BY1SG |
| CACR-SR10BZ1SF |
| CACR-SR10SB1BF |
| CACR-SR10SB1DF |
| CACR-SR12TB5BM |
| CACR-SR12TB6AF |
| CACR-SR12TZ6SF |
| CACR-SR12TZ6SM |
| CACR-SR15BA1AF |
| CACR-SR15BB1AM |
| CACR-SR15BB1BF |
| CACR-SR15BB1BM |
| CACR-SR15BB1CS |
| CACR-SR15BB1ES |
| CACR-SR15BC1AF |
| CACR-SR15SB1AF |
| CACR-SR15SB1BF |
| CACR-SR15SZ1SD |
| CACR-SR15SZ1SS |
| CACR-SR20BB1AF |
| CACR-SR20BB1AM |
| CACR-SR20BB1BF |
| CACR-SR20BB1BM |
| CACR-SR20BB1CS |
