ABB Relion 670 series - Page 1108

B
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Micro-
controller
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Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
Opto isolated input
99000503-2.vsd
IEC99000503 V2 EN
Figure 521: Block diagram of the Binary input module.
Section 19 1MRK505222-UUS C
IED hardware
1102
Technical reference manual