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1-5
Basic System Startup Procedure
This manual introduces the basic steps that are needed to make the safety system operational, with particular
focus on the following steps.
– System Design and Programming
– Configuration
– Testing
1-5-1
System Design and Programming
In this step, the optimum safety system is determined by the following procedures:
(1) Based on the required safety system specifications, select and arrange the safety devices and deter-
mine the safety functions to be allocated to each device.
(2) Configure the network system as a virtual network in the Network Configurator.
•
Register all of the devices. If the system is a mixed safety control and standard control system, reg-
ister both the safety devices and standard devices.
•
Set the parameters of all the devices.
•
Check the percentage of the network bandwidth being used and review the parameters.
•
Create the program for the NE1A-SCPU01.
•
Verify the system reaction time of all the safety chains.
The network bandwidth usage and the system reaction time are affected by several factors, including the net-
work configuration, NE1A-SCPU01 and Safety I/O Terminal parameter settings, and NE1A-SCPU01 pro-
gram, so repeat the steps above to determine a system configuration which meets the users' requirements.
Please refer to the following sections for the operating instructions of the Network Configurator.
•
Device Registration
•
Refer to 2-4 Creating a Virtual Network (page 34).
•
Editing Device Parameters
•
Refer to 2-7 Device Parameters and Properties (page 41).
•
Refer to Section 4: Editing Safety I/O Terminal Parameters (page 69).
•
Refer to Section 5: Editing Safety Network Controller Parameters (page 79).
•
Checking the Usage Rate of Network Bandwidth
•
Refer to 3-2 Verifying the Network Bandwidth (page 59).
•
Calculating the Reaction Time
•
Refer to 3-3 Calculating and Verifying the Maximum Reaction Time (page 63).
IMPORTANT:
1-5-2
Installation and Wiring
In this step, install and wire each device as shown below:
•
Install all of the devices and set node addresses and baud rates.
•
Connect to I/O devices.
•
Wire the power supplies.
•
Wire the DeviceNet.
1-5 Basic System Startup Procedure
2. Installation and Wiring
5. System Operation
Allocate a unique safety network number to each safety network or safety subnetwork.
1. System Design
&
Programming
3. Configuration
4. User Test
23
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