Siemens SM 332 Información Del Producto página 9

English A5E50802064-AA
Note
Modules with the certification Ex ec [ib Gb] [ib IIIC Db] IIC T4 can only be used in
SIMATIC S7-300 / ET 200M automation systems belonging to equipment category 3.
Intrinsically safe electrical equipment for zones 1, 2 and 21, 22 can be connected.
Maintenance
The analog module is maintenance-free. If a repair becomes necessary, the module must be sent to the
production location. Repairs may only be performed by the manufacturer.
Installation
• The analog module must be installed outside the hazardous area in a suitable housing that complies
with the IP 20 degree of protection in accordance with EN 60529.
• The equipment shall only be used in an area of not more than pollution degree 2, as defined in IEC
60664-1. The equipment shall be installed in a suitable enclosure that provides a degree of protection
not less than IP54 in accordance with IEC 60079-7.
• If a temperature of > 70 °C is reached in the cable or at the cable entry of this housing under
operating conditions, or if a temperature of > 80 °C can be reached at the junction of the conductors
under operating conditions, the temperature-related properties of the cables must correspond to the
temperatures actually measured.
Commissioning
• Once the analog module is installed, all the relevant isolation, connecting cables and connections
must adhere to the conditions of Section 6.4 in accordance with EN 60079 – 11.
• During installation, the wire chamber (6ES7393-4AA00-0AA0) must be used.
English