Moeller XC-CPU101 Series User Manual

Program processing and
system time
03/05 AWB2724-1453GB
30
Functions
ReadBitDirect
A bit of an input module can be read directly with this function.
The state of an input bit is stored in the variables, which indicate
to the parameterized pointer “ptr_xValue”. The pointer variable
will not be changed when a fault occurs during processing.
Table 5: Parameters of the “ReadBitDirect” function
XIOC-16DO-S
– j 0 to 15 – j 0 1 to 15
XIOC-12DO-R
– j 0 to 11 – j 0 1 to 15
XIOC-16DX
– j 0 to 15 j j 0 1 to 15
XIOC-8AI-I2
– – – j – 0 to 7 1 to 15
XIOC-8AI-U1 – – – j – 0 to 7 1 to 15
XIOC-8AI-U2
– – – j – 0 to 7 1 to 15
XIOC-4T-PT
– – – j – 0 to 3 1 to 15
XIOC-2AO-U1-2AO-I2
– – – – j 0 to 3 1 to 15
XIOC-4AO-U1
– – – – j 0 to 3 1 to 15
XIOC-4AO-U2 – – – – j 0 to 3 1 to 15
XIOC-2AO-U2
– – – – j 0 to 1 1 to 15
XIOC-4AI-2AO-U1
– – – j j AI: 0 to 3, AO: 0 to 1 1 to 15
XIOC-2AI-1AO-U1
– – – j j AI: 0 to 1, AO: 0 1 to 15
XIOC-1CNT-100KHZ
– – – – – – 1 to 15
XIOC-2CNT-100KHZ
– – – – – – 1 to 15
XIOC-2CNT-2AO-INC – – – j j 1 to 15
XIOC-SER
– – – – – COM2, COM3 1 to 15
XIOC-NET-DP-M
– – – – – – 1 to 3
Modules I/O bit access I/O word access I/O slot
Read Write Param./Module Read Write Param./Module Param.
Figure 40: ReadBitDirect function
uiSlot: Slot number of the signal module. For possible parameters see table 4 on page 29
uiBit:
Bit position within the input value of the signal module. For possible parameters see table 4 on page 29
ptr_xValue: Pointer to the variable value
ReadBitDirect: Display of the fault code, see table 9 on page 33

Moeller XC-CPU101 Series Specifications

General

Brand	Moeller
Model	XC-CPU101 Series
Category	Controller
Language	English

Summary

Safety Instructions

Before Commencing the Installation

Essential precautions before starting electrical work on the device.

1 Layout of the XC100

CPU with PSU and Local Inputs/Outputs

Describes the CPU module's integrated power supply and local I/O.

Programming Device Interface

Details the RS232 interface for connecting a programming device.

CANopen Interface

Information on connecting and using the CANopen bus interface.

2 Engineering

Preventing Interference

Methods for minimizing electromagnetic interference through proper cable routing.

3 CPU Operation

Switch-on Behaviour

Describes the CPU's self-test and startup sequence after power is applied.

Test and Commissioning Features

Features for testing PLC operation like breakpoints and single-step.

Program Management

Program Reset and Parameterization

Options for resetting the application program and setting operating parameters.

Creating and Transferring Boot Projects

Process for generating and saving boot projects for automatic startup.

Updating the Operating System (OS)

Guide to replacing the PLC's operating system with a newer version.

4 Program Processing and System Time

Direct Peripheral Access

Enabling direct access to input/output signals bypassing the image.

Addressing Inputs/Outputs and Markers

Automatic Address Assignment

How addresses are automatically assigned and managed to avoid conflicts.

Address Range and Verification

Valid address ranges and checks performed during compilation.

5 Establishing a PC – XC100 Connection

Establishing RS232 Connection

XSoft Software Configuration

7 Programming via CANopen Network (Routing)

8 RS232 Interface in Transparent Mode

"SysComOpen" Function

"SysComRead" Function

"SysComWrite" Function

"SysComSetSettings" Functions