Connecting
3.1 Terminal assignment and schematic circuit diagram
Technology Module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
18 Manual, 05/2019, A5E35061186-AB
The following figure shows the wiring of the technology module in one-channel operation.
Figure 3-2 Wiring in one-channel operation (parallel connection)
Note
Load wiring resistance
In one
-channel operation, the cables for the DQ0.A and DQ1.A connections must have
identical resistance (length and cross
-section) to achieve optimal current distribution
between the two outputs and to prevent errors in current measurement.
In "PWM with DC motor" mode, the cables for the DQ0.B an
d DQ1.B terminals must also
have identical resistance.
Note
Overheating due to unsuitable loads
A high
-speed output generates very steep edges. This produces a very severe load change
of the connected load, which can result in overheating of the
load under high switching
The connected load must therefore be approved for high frequencies.
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