Product Description
Product Overview
The Yokogawa ACM12 RS422/485 is an RS422/485 Communication Module designed to send and receive data to/from subsystems such as PLCs via serial communication circuits. With subsystem communication packages, it supports both point-to-point and multipoint connections, making it a versatile solution for industrial communication needs.
Technical Specifications
The ACM12 RS422/485 Communication Module has the following specifications:
| Item | Specification |
|---|---|
| Model | ACM12 |
| Interface | RS-422 or RS-485 (1 port) |
| How Connected | Point-to-point, Multipoint |
| How Communicates | Half-duplex |
| How Synchronizes | Start-stop synchronization |
| Communication Speed | 1200/2400/4800/9600/19200 bps |
| Transmission Code | ASCII/binary |
| Character Length | 7/8 bit |
| Stop Bit Length | 1/2 bit |
| Parity Check | None/odd/even (Note: “No parity” cannot be specified at 19200 bps) |
| When a Signal is Received After Data Transmission | 1 ms |
| Transmission Distance | Max. 1200 m (Total length) |
| How Installed | Installed in the Communication Module Nest (Cannot be combined with ACF11; can be combined with ACM11) |
| Wiring | 3 pairs shielded cable or AKB161 (cable to connect ACM12 with FA500; Max. 100 m) |
| How Connected | Connected to the terminal (6 poles) with M4 screws |
| Current Consumption | 1 A (5.0 V DC) |
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