Troubleshooting RIA452
44 Endress+Hauser
9.4 Return
For a return, e.g. in case of repair, the device must be sent in protective packaging. The
original packaging offers the best protection. Repairs must only be carried out by your
supplier's service organization.
9.5 Disposal
The device contains electronic components and must, therefore, be disposed of as electronic
waste in the event of disposal. Please observe in particular the local waste disposal
regulations of your country.
2 Housing seal 50070730
3 Ex-cover (rear panel) 51008272
4 Rotary button with seal RIA452X-HB
5 Relay board RIA452X-RA
6 Mainboard 90 to 250 V, 50/60 Hz RIA452X-MA
Mainboard 20 to 36 V DC; 20 to 28 V AC, 50/60 Hz RIA452X-MB
Mainboard 90 to 253 V AC + analog output RIA452X-MC
Mainboard 10 to 36 V DC/20-27 V AC + analog output RIA452X-MD
Mainboard 90 to 253 V AC + integration + pulse output RIA452X-ME
Mainboard 10 to 36 V DC/20-27 V AC + integration + pulse output RIA452X-MF
Mainboard 90 to 253 V AC + output + integr. (pulse + analog output) RIA452X-MG
Mainboard 10 to 36 V DC + output + integr. (pulse + analog output) RIA452X-MH
7 Standard input card RIA452X-IA
Standard input card ATEX, FM, CSA approval RIA452X-IB
Multifunction input card RIA452X-IC
8 Complete display board RIA452X-DA
10 Terminal (power supply) 3-pin 50078843
11 Terminal (relay 1-8) 6-pin 51005104
12 Terminal (analog input) 4-pin 51009302
13 Terminal (analog output, Open Collector, transmitter power supply) 6-pin 51008588
14 Terminal (digital inputs) 5-pin 51008587
15 Jumper operating lock 50033350
No Item
No.
Casing fixing clip RIA452 (1 piece) 71035359
Please enclose a note describing the fault and the application when sending the unit
in for repair.
Item No. Name Order No.
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