Siemens SIMATIC ET 200SP Manual page 15

● The TM Pulse 2x24V provides module diagnostics and channel error detection.
Figure 3-1 Dual channel operation
Figure 3-2 Single channel operation
Technology module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
Manual, 09/2015, A5E35061186-AA
Modes and Functions
3.1 Overview
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