Yaskawa P7 Metasys N2 - Manual (Page 44)

Troubleshooting – A - 6
Installing and Configuring Metasys N2
The following is a short guide to troubleshooting the Metasys N2 installation and configuration. It highlights some of the most common
issues faced when diagnosing and correcting issues associated with the startup and operation of an P7U drive with Metasys N2 building
automation network. While most of the information is centered on the application of the drive, the guidelines presented are applicable in
most Metasys N2 networks.
Diagnosis of network fault issues will typically fall into three categories: 1: Installation/set-up of Metasys N2, 2: wiring and cabling issues,
and 3: network configuration/diagnostics. Each of these areas will be discussed after to help resolve common problems associated in
Metasys N2 network troubleshooting.
Drive Operates Correctly Without Network Enabled
Before programming the drive for Metasys N2 communication, verify that the drive functions properly. Refer to the P7U User Manual
(TM.P7.01) for information on the drive’s installation and operation.
Network Cable Is Connected Correctly And Securely
Connect a jumper between R+ and S+ as well as R- and S-. Connect network cable to terminals S+ and S+.
Figure A.1 – P7U Metasys N2 Network Connections
Run/Stop Operation Parameter Is Set Correctly
The run/stop operation parameter needs to be set for “Serial Com”.
Table A.1 - Run/Stop Operation Parameter
Parameter Number Setting Choices Setting Descriptions
0 Operator
1 Terminals
2 Serial Com (Metasys N2)
b1-02
3 Option PCB
Red (+) Black (-)
Shield