Binary Input Module (Bim); Introduction; Design - ABB Relion 670 Series Technical Reference Manual

1MRK 505 208-UEN B
17.2.9
17.2.9.1
17.2.9.2
Technical reference manual

Binary input module (BIM)

Introduction

The binary input module has 16 optically isolated inputs and is available in two
versions, one standard and one with enhanced pulse counting capabilities on the
inputs to be used with the pulse counter function. The binary inputs are freely
programmable and can be used for the input of logical signals to any of the
functions. They can also be included in the disturbance recording and event-
recording functions. This enables extensive monitoring and evaluation of operation
of the IED and for all associated electrical circuits.

Design

The Binary input module contains 16 optical isolated binary inputs. The voltage
level of the binary input is selected at order.
For configuration of the input signals, refer to section
inputs SMBI".
A signal discriminator detects and blocks oscillating signals. When blocked, a
hysteresis function may be set to release the input at a chosen frequency, making it
possible to use the input for pulse counting. The blocking frequency may also be set.
Figure 300 shows the operating characteristics of the binary inputs of the four
voltage levels.
The standard version of binary inputs gives an improved capability to withstand
disturbances and should generally be used when pulse counting is not required.
Section 17
IED hardware
"Signal matrix for binary
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