HIMA Matrix DIO24/16

If an overload occurs, one or all outputs are switched off. After the overload is removed the 

corresponding outputs are switched on again automatically, see Table 13 

The external wire of an output is not monitored, however, a detected short-circuit is 

signaled. 

The remote I/O pulses the pulsed outputs to detect the short-circuits and open-circuits on 

the digital inputs. To do so, configure the Value.[BOOL] -> system variable in SILworX and 

the DO[0x].Value system signal in ELOP II Factory. The variables must begin with channel 

1 and reside in direct sequence, one after the other. 

If the following faults occur, the FAULT LED located on the front plate of the device blinks, 

the inputs are set to low level and an (evaluable) error code is displayed: 

ƒ Cross-circuit between two parallel lines, 

ƒ Improper connections of two lines (e.g., DO 2 after DI 3), 

ƒ Earth fault of a line (with earthed ground only), 

ƒ Open-circuit or open contacts, i.e., also if one of the two EMERGENCY STOP switches 

previously mentioned the FAULT LED is being engaged. 

For more information on how to configure line control in the user program, refer to the 

HIMatrix Engineering Manual (HI 800 101 E). 

3.1.2 Safety-Related Digital Outputs 

The remote I/O is equipped with 8 digital outputs. The state (HIGH, LOW) of each output is 

signaled by an individual LED. 

At the maximum ambient temperature, the outputs 1...3 and 5...7 can be loaded with 0.5 A 

each; and outputs 4 and 8 can be loaded with 1 A or with 2 A at an ambient temperature of 

up to 50 °C. 

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