Specification	6ES72231QH320XB0

Approval Agency	CE, UL, CSA, cULus
For Use With/Related Products	SIMATIC S7-1200
Ingress Protection	IP20
Input Types	Digital
Mounting Type	DIN Rail
Number of Inputs	8
Number of Outputs	8
Operating Temperature (Max)	60 °C
Operating Temperature (Min)	-20 °C
Output Type	Digital
Termination Style	Screw Terminal
Type	Output (I/O) Module, Input
Voltage - Supply (Maximum)	28.8 VDC
Voltage - Supply (Minimum)	20.4 V

6ES72231 Series

Part	Ingress Protection	Approval Agency	Operating Temperature (Max)	Operating Temperature (Min)	Termination Style	Number of Inputs	Input Types	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Type	Mounting Type	For Use With/Related Products	Number of Outputs	Output Type
Siemens 6ES72231QH320XB0	IP20	CE CSA cULus UL	60 °C	-20 °C	Screw Terminal	8	Digital	28.8 VDC	20.4 V	Input Output (I/O) Module	DIN Rail	SIMATIC S7-1200	8	Digital
Siemens 6ES72231BL320XB0	IP20	ATEX CE CSA KC UL	60 °C	-20 °C	Screw Terminal	16	Digital	28.8 VDC	20.4 V	Input Output (I/O) Module	DIN Rail	SIMATIC S7-1200	16	Digital
Siemens 6ES72231BH320XB0	IP20	CE CSA cULus UL	60 °C	-20 °C	Screw Terminal	8	Digital	28.8 VDC	20.4 V	Input Output (I/O) Module	DIN Rail	SIMATIC S7-1200	8	Digital
Siemens 6ES72231BL321XB0	IP20	CE CSA cULus UL	60 °C	-20 °C	Screw Terminal	16	Digital	28.8 VDC	20.4 V	Input Output (I/O) Module	DIN Rail	SIMATIC S7-1200	16	Solid State
Siemens 6ES72231PH320XB0	IP20	CE CSA cULus UL	60 °C	-20 °C	Screw Terminal	8	Digital	28.8 VDC	20.4 V	Input Output (I/O) Module	DIN Rail	SIMATIC S7-1200	8	Digital

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