Siemens TELEPERM M 6DS Series Modules – 6DS1224-8AA

Technical Dossier

Product Details And Specifications

Siemens TELEPERM M 6DS Series Technical Notes

The Siemens TELEPERM M system, identified by the 6DS part number prefix, is one of the most widely deployed distributed control system (DCS) platforms in global heavy industry. Installed across petrochemical refineries, nuclear power stations, chemical processing plants, and offshore platforms from the 1980s through the 2000s, the TELEPERM M architecture established the baseline for process automation in safety-critical environments. Its modular backplane design, deterministic scan cycle, and robust analog signal handling made it the reference standard for continuous process control. Facilities in Germany, China, the Middle East, and Southeast Asia continue to operate TELEPERM M infrastructure as the primary control layer, making reliable access to spare modules — including the 6DS1224-8AA interface module — a sustained operational requirement.

The Evolution of TELEPERM M 6DS Architecture

The TELEPERM M platform was introduced by Siemens in the early 1980s as a successor to analog panel-based control systems. The architecture is organized around the AS 230 automation station, which houses CPU, I/O, and communication modules on a common backplane bus. Early revisions used parallel bus communication with fixed-address module slots; later revisions introduced enhanced diagnostics and expanded memory addressing. The 6DS1xxx sub-family covers digital and analog I/O modules, while 6DS2xxx covers communication and interface adapters. The 6DS3xxx and 6DS4xxx sub-families address power supply and specialty function modules. Siemens officially discontinued new production of TELEPERM M hardware in the mid-2000s, transitioning customers toward the SIMATIC PCS 7 platform. However, the installed base remains extensive, and the 6DS series has entered a long-term maintenance and lifecycle extension phase. Compatibility between early and late hardware revisions is generally maintained at the backplane level, but firmware and configuration tool versions (ES 680, PROGRAF AP) must be matched to specific module generations.

TELEPERM M 6DS Full Catalog & Functionalities (SKU List)

Controllers & CPU Modules

• 6DS1310-8AA: AS 230 central processing unit, 256 KB program memory, real-time OS
• 6DS1311-8AA: AS 230 CPU with extended memory, enhanced diagnostic register
• 6DS1312-8AA: AS 230 CPU module, redundancy-capable, hot-standby configuration
• 6DS1313-8AA: AS 235 processor module, higher scan rate, expanded I/O addressing

Analog Input Modules

• 6DS1601-8AA: 8-channel analog input, 4–20 mA, 12-bit resolution
• 6DS1602-8AA: 8-channel analog input with HART signal pass-through
• 6DS1603-8AA: 16-channel analog input, multiplexed, thermocouple/RTD compatible
• 6DS1604-8AA: 4-channel high-accuracy analog input, ±10 V / 0–20 mA selectable

Analog Output Modules

• 6DS1701-8AA: 4-channel analog output, 4–20 mA, 12-bit DAC
• 6DS1702-8AA: 8-channel analog output, current/voltage selectable per channel

Digital Input / Output Modules

• 6DS1801-8AA: 32-channel digital input, 24 VDC, optically isolated
• 6DS1802-8AA: 32-channel digital output, 24 VDC, transistor sourcing
• 6DS1803-8AA: 16-channel digital input / 16-channel digital output, mixed I/O

Communication & Interface Modules

• 6DS1224-8AA: Interface module, backplane bus coupler, inter-station data exchange
• 6DS1225-8AA: SINEC H1 Ethernet communication adapter, TCP/IP gateway
• 6DS1226-8AA: TELEPERM M bus interface, peer-to-peer station link
• 6DS1227-8AA: Serial communication module, RS-232/RS-485, MODBUS RTU support

Power Supply Modules

• 6DS1401-8AA: 24 VDC backplane power supply, 10 A rated output
• 6DS1402-8AA: Redundant power supply module, automatic switchover, status relay