ABB PPC907BE101 3BHE024577R0101 signal controller display module

Description

PPC907BE101 The power that runs the module itself comes from the power supply in the Bus Interface Unit.

A separate external 240VAC supply is needed to power each isolated group of input devices.

Module inputs respond to voltage levels from 0 VAC to 265 VAC.

LEDs

Individual logic-side LEDs, visible through the transparent portion of the module top, indicate the

on/off status of each input. The PWR LED is on PPC907BE101 when field and backplane power are present.

Host Interface

Intelligent processing for this module is performed by the Bus Interface Unit or elsewhere in the

system. This includes configuring features such as input defaults and fault reporting. The module

has 8 bits (one byte) of discrete input data. A Bus Interface Unit is required to provide this input

data to the host and/or local processor.

A network of resistors and capacitors establishes input thresholds and provides input filtering.

Optoisolators provide isolation between the field inputs and the module’s logic components. Data

from all 16 inputs is placed into a data buffer. The module’s circuit LEDs show the current states of

the 16 inputs in this data buffer.

Parallel-to-serial converters change input data from the data buffer into the serial format needed by

the Bus Interface Unit.

PPC907BE101 After checking the Board ID and verifying that the module is receiving appropriate logic power

from the Bus Interface Unit (which is reflected by the state of the module’s Power LED), the Bus

Interface Unit then reads the filtered, converted input data.

I/O Terminal Block wiring assignments for this module are shown below. Inputs 1 to 8 are one

isolated group and inputs 9 to 16 are another isolated group. If isolation is needed, each isolated

group must have its own power supply. If isolation is not needed, one power supply can be used for

all sixteen inputs.

The Terminal Block with box terminals has 25 terminals for each module, each of which

accommodates one AWG #14 (avg 2.1mm

2

cross section) to AWG #22 (avg 0.36mm

2

cross

section) wire, or two wires up to AWG #18 (avg. 0.86mm

2

cross section). When an external jumper

is used, the wire capacity is reduced from AWG #14 (2.10mm

2

) to AWG #16 (1.32mm

2

).

The I/O Terminal Block with barrier terminals has 18 terminals per module. Each terminal can

accommodate one or two wires up to AWG #14 (avg 2.1mm

2

cross section).

The I/O Terminal Block with Connectors has one 20-pin male connector per module. The mating

connector is Amp part number 178289-8. Any tin-plated contact in the AMP D-3000 series can be

used with the connector (Amp part number 1-175217-5 for high contact force receptacle for 20-24

gauge (0.20-0.56mm

2

) wires), 1-175218-5 for high contact force receptacle for 16-20 gauge (0.56-

1.42mm2)).

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