Siemens SIMATIC PCS 7 Manual

5-11
Connecting TM I/O to PCS 7
C79000-G8076-C710-04
5.4 Operating method
The task of a TPM 478-2 interface module is to integrate the functions of
existing TELEPERM M I/O into a PCS7/TM.
Below we shall explain the general functions of the interface module.
Figure 5-6 shows a reduced block diagram of the TPM 478-2 interface mo-
dule function. The function blocks are explained below.
Backplane bus S7/M7-400
I/O processor
Interface to ISA bus and interface logic
I/O bus interface
TPM 478-2
Bus A / Bus B
+5 V
ISA bus to FM456-4
+5 V
TELEPERM M I/O
+5 V
Figure 5-6 TPM 478-2 function
Function,
general
Function of
TPM 478-2
Interface module TPM 478-2

Siemens SIMATIC PCS 7 Specifications

General

Brand	Siemens
Model	SIMATIC PCS 7
Category	Control Systems
Language	English