18.1  System Configuration
18.1.1  Connecting to a SIMATIC S7-300/400 Series
18 - 3
17
CONNECTION TO 
ALLEN-BRADLEY PLC
18
CONNECTION TO 
SIEMENS PLC
19
MICROCOMPUTER 
CONNECTION
20
CONNECTION TO OMRON 
TEMPERATURE 
CONTROLLER
21
CONNECTION TO 
YAMATAKE TEMPERATURE 
CONTROLLER
22
CONNECTION TO RKC 
TEMPERATURE 
CONTROLLER
23
CONNECTION TO 
FREQROL SERIES 
INVERTER
24
SERVO AMPLIFIER 
CONNECTION
18.1.1 Connecting to a SIMATIC S7-300/400 Series
1 System configuration and connection conditions
2 System equipment
(1) GOT
(2) PLC
 is a product manufactured by SIEMENS. For details of this product, contact SIEMENS.
(3) Cable
*1 The RS-232 cable can be prepared by the user. (   Section 18.2 Connection Cable)
Connection conditions
System configuration
No. of GOTs Distance
1 15m or less
Image No. Name Model name
RS-232 interface
• For RS-232 communication
 (Built into GOT)
RS-232 Communication Unit 
• For RS-232 communication
GT15-RS2-9P
Image No. Name Model name
HMI Adapter MLFB: 6ES7 972-0CA11-0XA0
Image No. Name Model name
RS-232 cable
• Between HMI Adapter and 
GOT
GT09-C30R20801-9S(3m)
SIEMENS S7-300/400
Com municatio n driver
Adapter
2
RS-232 cable
3
MAX15m
1
PROFIBUS
Adapter
2
RS-232 cable
3
MAX15m
1
RS-232
RS-232