DROP and XDROP Function Blocks

Introduction

Use the DROP and XDROP function blocks to address Quantum S908 remote drops and X80 remote drops.

Inputs

The SLOT and DROP inputs on the DROP and XDROP blocks have the same functionality:

Input	Description
SLOT	This input indicates the slot number of the module that manages the remote drop.
NUMBER	This input indicates the drop number of the Quantum S908 remote drop.

Remote Drop Targeting

The DROP and XDROP function blocks can manage both the X80 remote drops and Quantum S908 remote drops. Assign values to the inputs that address the appropriate drop:

Target	Input	Value
X80 remote drop	SLOT	Assign the slot number of the CPU in the main rack.
X80 remote drop	DROP	Assign the X80 remote drop number.
Quantum S908 remote drop	SLOT	Assign the slot number of the 140CRP93•00 module in the remote drop.
Quantum S908 remote drop	DROP	Assign the Quantum S908 remote drop number.

Use case examples:

The M580 CPU controls a Quantum S908 remote drop through an X80 remote drop that includes a 140CRA31908 adapter module.

In this case, a 140CRP93•00 module in slot 4 of remote drop 15 is indicated by these input values:
- SLOT: 4
- DROP: 15
The embedded port of the M580 CPU controls an X80 remote drop.

In this case, the Ethernet port in the CPU (in slot 0) on the main rack controls an X80 drop 15, as indicated by these input values:
- SLOT: 0
- DROP: 15
The embedded port of the M580 CPU controls an X80 remote drop that includes a 140CRA31908 adapter module.

In this case, the Ethernet port in the CPU (in slot 0) on the main rack controls X80 remote drop 5, as indicated by these input values:
- SLOT: 0
- DROP: 5

DROP Function Block

The DROP function block applies to the main rack in the remote drop:

XDROP Function Block

The XDROP function block applies to the extended rack in the remote drop:

adapter

An adapter is the target of real-time I/O data connection requests from scanners. It cannot send or receive real-time I/O data unless it is configured to do so by a scanner, and it does not store or originate the data communications parameters necessary to establish the connection. An adapter accepts explicit message requests (connected and unconnected) from other devices.