| 型号 | 制造商 | 描述 | 操作 |
| 6ES7223-1PL32-0XB0 [更多] | Siemens | DIGITAL I/O MOD, SIMATIC S7, 24V, 16 I/O
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| 型号 | 制造商 | 描述 | 操作 |
| 6ES72231PL320XB0 [更多] | Siemens | S7-1200 Signal Module Inputs: 16 Digital Inputs, abbreviated: 16 DI Outputs: 16 Relay Outputs, abbreviated: 16 RO Operating voltage: 24 VDC Series: SIMATIC S7-1200 Switching capacity: 2 A Protection rating: IP20 No. of digital inputs: 16 No. of relay outputs: 16
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