Siemens Simatic S7-400 - Calculating Working Memory; Memory Types

10.2.6 cULus approval
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Underwriters Laboratories Inc. in accordance with:
• UL 508 (Industrial Control Equipment)
• CSA C 22.2 No. 142 (Process Control Equipment)
10.2.7 cULus HAZ. LOC. approval
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HA Z . LO C .
Underwriters Laboratories Inc. in accordance with:
• UL 61010-2-201 (Industrial Control Equipment)
• CSA / CAN 61010-2-201 (Process Control Equipment)
• ANSI/ISA 12.12.01
• CSA C22.2 No. 213 (Hazardous Location)
Approved for use in:
Class I, Division 2, Group A, B, C, D Tx;
Class I, Zone 2, Group IIC Tx
10.2.8 cFMus approval
Factory Mutual Research (FM) in accordance with:
• Approval Standards FM Class 3600:2018, FM Class 3611:2018, FM Class 3810:2018,
• ANSI/UL 121201.2017,
• ANSI/UL 61010-1:2018
APPROVED for use in:
• Class I, Division 2, Group A, B, C and D
• Class I, Zone 2, Group IIC, hazardous (classi󹪝ed) locations
• Ordinary (unclassi󹪝ed) locations with an ambient temperature rating of 0 ºC to + 70 ºC,
indoor environments
Technical speci󹪝cations
10.2 Standards and approvals
Point-to-point connection CP 440 Installation and Parameter Assignment
124 Equipment Manual, 03/2022, A5E00057742-AE