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Overview
- Module for connecting up to 4 IO-Link devices according to IO-Link Specification V1.1. The IO-Link parameters are configured using the Port Configuration Tool (PCT), Version V3.2 and higher.
Note:
SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme-specific information was added.
Application
The SM 1278 module enables data exchange with up to 4 external IO-Link devices via one 3-wire cable each or four standard actuators/standard sensors. Comprehensive parameterization options make it possible to adapt the controller flexibly to the communication partner. Thanks to the compatibility of IO-Link with standard sensors, commercially available sensors in accordance with IEC 61131 Type 1 can also be operated on the IO-Link master.
Design
- Expansion limits
- Length of cable: Max. 20 m
- Max. 32 bytes of input and output data per port
- Max. 32 bytes of input and output data per module
LED indicators
- DIAG: Operating state indicator (green/red) of the module
- C1..C4: Port status indicator (green) for Port 1, 2, 3 and 4
- Q1..Q4: Channel status indicator (green) for Port 1, 2, 3 and 4
- F1..F4: Port fault indicator (red) for Port 1, 2, 3 and 4
Depending on the CPU type used, as many as 8 SM 1278 modules can be used on one S7-1200 CPU.
Function
Supported functions
- Identification data I&M
- Firmware update
- SIO mode (standard IO mode)
- IO-Link parameterization with the S7-PCT interface configuration tool, TIA Portal V13 and higher and one S7-1200 CPU V4.0 or higher
Supported data transfer rates
- COM1 (4.8 kbit/s)
- COM2 (38.4 kbit/s)
- COM3 (230.4 kbit/s)
6AG1278-4BD32-4XB0
Siemens SIPLUS S7-1200 SM 1278 IO-Link based on 6ES7278-4BD32-0XB0 with conformal coating, -20…+60 °C, signal module SM 1278 4xIO-Link master IO-Link master V1.1
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