Module Replacement; Replacing The Fm 354 With The System Switched Off - Siemens SIMATIC S7-300 Manual

Installing and Removing the FM 354
3.3

Module replacement

Overview
If a defective FM 354 has to be replaced, and no programming device/PC is
available for parameterization, or the module is to be replaced while the sys-
tem is switched on, please note the following start–up requirements (CPU,
FM):
Replacing an To replace a parameterized but defective FM 354:
FM 354
1. Replace the FM 354 when the system is switched off (CPU, FM)
Fig. 3-1
3-4
An SDB 1 000 should be generated in order to complete the startup
(for storing the parameter data); see Section 5.5.
In the user program:
– Interrupt communication with the FM 354 before removing the old
FM, and resume communication after installing the new FM.
– If data/parameters are modified during operation and stored modally
on the FM, please follow the instructions in Section 9.3.1.
Remove the FM 354 (See Sec. 3.2)
Install the FM 354 see Sec. 3.1)
Switch on the system
Appropriate SDB 1 000 in
1)
CPU?
Yes
FM 354 para-
meterized
automatically
FM 354 ready
1) How to create an SDB 1 000 after startup, and
how to load it in the CPU is described in Section 5.5.

Replacing the FM 354 with the system switched off

No
Reparameterization of FM
PG/PC required
FM 354 Servo Drive Positioning Module