Elcon HiD 2000 Series - Hid 2842;2844

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6-13

6.2.10 HiD 2842/2844

For these isolators, the input/output relationship is configurable. Two distinct check procedures are therefore

presented. For simplicity, the "fault detection disabled" mode is not covered by the procedure.

Input closed / transistor output opened configuration:

a) for HiD 2842, set the configuration switches as: S1=ON, S2=ON, S3=ON, S4=ON

for HiD 2844, set the configuration switches as: S1=ON, S2=ON, S3=ON, S4=ON, S5=ON, S6=ON,S7=ON, S8=ON;

b) connect the power supply at the termination board supply terminals; connect the resistor box Rc at the input

terminals; feed the supply voltage, in series with a 4.7 KΩ resistance at the output terminal( 2 transistor output

only for model HiD 2842 ); connect the first multimeter V1 (voltage mode) at the output terminal in parallel with the

output transistor; connect the second multimeter V2 (voltage mode) at the second output terminal only for model

HiD 2842; set the supply at 24 V and switch it on; the green power LED must go on;

c) set the resistor box to 1 KΩ; both the yellow status and the red fault LED must be off; both multimeters (HiD

2842) or the tested channel multimeter (HiD 2844) must give a "24 V" reading;

d) set the resistor box to 10 KΩ; the yellow status LED must be on and the red fault LED must be off; both

multimeters (HiD 2842) or the tested channel multimeter (HiD 2844) must give a "< 1 V" reading;

e) set the resistor box to 0 Ω (input short-circuit); the yellow status LED must be off and the red fault LED must be

on; both multimeters (HiD 2842) or the tested channel multimeter (HiD 2844) must give an "24 V" reading;

f) disconnect the resistor box (input open-circuit); the yellow status LED must be off and the red fault LED must be

on; both multimeters (HiD 2842) or the tested channel multimeter (HiD 2844) must give an "24 V" reading;