IO Configuration
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ID: Input for identifier which provides a unique ID number that can be read by the system.
I0 - I7: Individually failsafe safety inputs (24 VDC). A high safety level can be reached by using only one input.
IQ10 - IQ17: Multi-function terminals that can be used as safety inputs, current monitored outputs, signal outputs for indication or control of non-safety related functions.
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Q0/Q1*: Relay outputs, individually failsafe and individually programmable.
Q2/Q3*: Failsafe transistor outputs (-24 VDC) which are individually failsafe and individually programmable. Intended for control of electromechanical components such as relays, contactors and valves.
*Note: These outputs do not exist on Pluto B16.
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Connection of Input Devices - Pluto
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The system offers both dual and single channel solutions for input devices. To detect short circuits in cabling, up to three different dynamic signals and a static +24 VDC can be used as input drivers. Individual inputs are software configured to only accept one type of signal.
In dual channel solutions, the two channels must be of a differentsignal type. A short circuit between the channels is then detected by the system.
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In single channel solutions, the dynamic signal is modified at each sensor. a short circuit between the sensor input and output is then detected by the Pluto system. Category 4 can then be fulfilled by using only one channel and one input.
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Note: connection according to Category 4 EN 954-1. Only JOKAB SAFETY dynamic sensor adaptors will provide Category 4 in cables and sensors.
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Reset Device using both the Input and Output Possibility
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It is possible to connect both an indicator lamp and an input switch to the same terminal - e.g. illuminated push button. The function is mainly intended for reset devices and reduces the number of IQ terminals used.
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IQ16and 17 monitors that the muting lamp (bypassing lamp) is functioning, i.e. only if the correct current is flowing through the output, and the lamp is functioning and muting (bypassing) of safety devices is allowed.
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