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5.13 Digital Output 24V IOTA Models Cx-TDOD51, Cx-TDOD61 CAUTION When wiring the Digital Output 24V ensure that the external power is not reversed or the IOM will be damaged. The Series C Digital Output 24V IOTA board is represented by the following information and graphics. To access the parts information for the: • module • IOTA • terminal plug-in assembly, and • fuses associated with this board and module, refer to Digital Output 24V in the Recommended Spare Parts section. 5.13.1 Field wiring and module protection - Digital Output 24V (Cx-TDOD51, Cx-TDOD61) The Digital Output 24Volt Module provides a unique and highly functional output power protection method. When a short occurs in the field, the following occurs. • The output circuits sense the over-current condition and shut down the output. • The shut down of the point places the mode of the point into Manual. • An Over-current Soft Failure is generated. This failure is maintained until the short circuit condition is repaired and the point is again supplying the proper current. Only one channel is affected at a time. If multiple channels are affected, they are individually shut down. Any channels that do not have a short circuit condition are unaffected. • Each channel in a DO module can handle a maximum load of 100mA. 5.13.2 IOTA board and connections - Digital Output 24V (Cx-TDOD51, Cx-TDOD61) Series C 24V Digital Output 9 inch, non-redundant IOTA is displayed.