Product Overview
1-8
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Ports
A description of the ports is provided in Table 1-2.
Table 1-2 Ports
Ports
Description
Bus connector −
SIMATIC port
Back connector to continue the S7 LAN from module to module
Drive port 15-pin male sub-D connector (X2) to connect the drive unit
I/O port 20-pin male front connector (X1) to connect the load power
supply and for digital input and output wiring
LED indicators
Twelve LEDs are arranged on the front panel of the FM 353. Table 1-3 describes
these LEDs and what they mean.
Table 1-3 Status and error displays
LED
Significance
SF (red) -
Group error
This LED indicates an error condition in the FM 353.
(see Troubleshooting, Chapter 11)
5 V DC (green) -
Logic power supply is
ON
This LED indicates that the hardware is ready for operation.
DIAG (yellow) -
Diagnostics
This LED indicates various diagnostic states
(see Troubleshooting, Chapter 11)
I0 − I3 (green) -
Digital inputs
These LEDs indicate which input is ON.
Q0 − Q3 (green) -
Digital outputs
These LEDs indicate which output is ON.
RM (green) -
Input, controller mes-
sage
This LED indicates that the input is activated.
(see Section 4.4)
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