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SRAM: 512 KB
Communication Protocols: Proprietary bus / Modbus
Communication: RS485
Cannot independently execute user programs
5 Vdc may reduce the linear range
ABB 1MRK002122-ABr03 Local Communication Module (LDCM) PLC System SRAM: 512 KBThe optical budget for the 670 series with 64 kbit communication using the C37. 94 interface and fiberoptic communication varies based on the wavelength and fiber type. Here's a breakdown: Multimode Fiber (Glass 50 125 m) 850 nm Minimum output power: 21 dBm Minimum receiver sensitivity: 30 dBm Optical budget: 9 dB Multimode Fiber (Glass 62. 5 125 m) 850 nm Minimum output power: 17 dBm Minimum receiver sensitivity: 30 dBm Optical budget: 13 dB Single