‑8‑
1 Product Information
1.1 Model Number and Nameplate
①
Product Information
GL: General local module
③
I/O Type
RTU: Remote terminal unit
②
Serial Number
20: 20 series module
④
Module Type
PN: PROFINET
Based on the above description of model number and nameplate, the relevant
ordering data of this product is described in the following table.
Model Description Product Code Applicable Model
GL20‑RTU‑PN GL20 series PROFINET
communication interface
module
01440289 PROFINIT master
devices such as S7‑1500
AND S7‑1200.
1.2 Components
The following figure shows the terminals and interfaces of the module.