Safety and commissioning information for Ex areas
14.2 Dry-running protection for centrifugal pumps by active power monitoring
SIMOCODE pro
System Manual, 05/2019, A5E40507475002A/RS-AD/004
325
14.2.3.7 Further safety information
Safety information for DM-F Local and DM-F PROFIsafe fail-safe digital modules
Pay attention to the safety notes in the Manual Fail-safe Digital Modules SIMOCODE pro
(http://support.automation.siemens.com/WW/view/en/50564852
).
Using relay outputs for the protection function
For the protection function, only the relay outputs of the 3UF70 basic unit, of a monostable
digital module 3UF730, of a multifunction module 3UF76, or of a fail-safe expansion
module 3UF732/3UF733 may be used, and only if connected to the corresponding
contactor controls "QE" of the control function!
Electrical isolation required
For SIMOCODE pro devices with a 24 V DC control supply, you must ensure galvanic
isolation with a battery or a safety isolating transformer according to DIN EN 61558-2-6.
pro is not suitable for load-side operation on frequency converters.
14.2.3.8 Environmental conditions
Permissible ambient temperature range:
● Storage / transport: -40 °C to +80 °C
● Operation: -25 °C to +60 °C; OPD: 0 °C to +60 ℃.
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