Siemens 6SE7021-3TP50-Z Z=G91 + C23

Siemens 6SE7021-3TP50-ZZ=G91 + C23
Description:
Control unit for the SIMATIC S7-1200 automation system
Average performance CPU
64 KB program memory
20 KB data memory
Interfaces:
8 digital inputs
6 digital outputs
2 analog inputs
2 analog outputs
1 Ethernet interface
1 RS485/RS232 interface
Features:
Compact and easy to install
Programmable with STEP 7 Basic or STEP 7 Professional
It supports various communication protocols including TCP/IP, Modbus RTU and PROFIBUS
It has diagnostic and troubleshooting functions
Conforms to IEC 61131-3 and PLCopen standards
Technical data:
Supply voltage: 24 VDC
Power consumption: 3 W
Operating temperature range: -20°C to +60°C
IP protection class: IP20
Dimensions: 100 x 70 x 60 mm
Applications:
Machine and process control
Building automation
Material handling systems
Test and measurement equipment
Z=G91 + C23:
Z=G91 indicates that the unit has a green 7-segment display.
C23 indicates that the unit has an RS232 port.