290163 / 949660310110
2021-08-05·BA00·III·en·00
Safety
5
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Socket for CPU and power modules
for Zone 1
Series 9496/32
3
Safety
The device has been manufactured according to the state of the art of technology while
observing recognised safety-related rules. When using the device, it is nevertheless possible
for hazards to occur to life and limb of the user or third parties or for the device, environment
or material assets to be compromised.
▶
Use the device only
- if it is not damaged
- in accordance with its intended use, taking into account safety and hazards
- in accordance with these operating instructions.
3.1
Intended Use
The socket type 9496/32 with three or four slots is used for installing the 9442/32 CPU
and 9445/32 power module on the 9494 BusRail. Thus it connects the I/O modules to the
high-speed data bus and the Ex i power supply. For the socket with three slots, the CPU or
power module can optionally be designed redundantly. The socket with four slots is intended
for system redundancy with a redundant CPU and redundant power module.
The bus protocol and RS485 address are defined using a rotary switch. The socket is
installed on a DIN rail and, for extreme ambient conditions (such as strong vibrations,
high temperatures > 65 °C), can also be screwed onto a metal mounting plate
(see the "Mounting and installation" chapter).
The type 9496/32 socket is approved for use in hazardous areas in Zone 1. It is intended for
installation in areas with a degree of pollution of 1 or 2.
3.2
Personnel Qualification
Qualified specialist personnel is required to perform the activities described in these
operating instructions. This primarily applies to work in the following areas
• Product selection, project engineering
• Mounting/dismounting the device
• Installation
• Commissioning
• Maintenance, repair, cleaning
Specialists who perform these activities must have a level of knowledge that meets
applicable national standards and regulations.
Additional knowledge is required for any activity in hazardous areas! R. STAHL recommends
having a level of knowledge equal to that described in the following standards:
• IEC/EN 60079-14 (Project engineering, selection and construction of electrical systems)
• IEC/EN 60079-17 (Electrical Installations Inspection and Maintenance)
• IEC/EN 60079-19 (Equipment repair, overhaul and reclamation)