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73VR2102 / 73VR2104 / 73VR2106
73VR2108 / 73VR2110 / 73VR2112
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1. POINTS OF CAUTION
Thank you for choosing M-System. Before use, please read this manual carefully. If
you have any problems or questions with the product, please contact M-System’s Sales
Office or representatives.
This product is for use in general industrial environments, therefore may not be suitable
for applications which require higher level of safety (e.g. safety or accident prevention
systems) or of reliability (e.g. vehicle control or combustion control systems).
For safety, installation and maintenance of this product must be conducted by qualified
personnel.
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CONFORMITY WITH EC DIRECTIVES
• This equipment is suitable for use in a Pollution Degree 2 environment and in Installation
Category II. Reinforced insulation (signal input 1 or input 2 or input 3 or input 4 or input
5 or input 6 or input 7 or input 8 or input 9 or input 10 or input 11 or input 12 to power
input to FG/Ethernet: 300V) is maintained*. Prior to installation, check that the insula
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tion class of this unit satisfies the system requirements.
• The equipment must be mounted on a panel surface. Once mounted on a panel, take
appropriate precautions to prevent operators to be exposed to the terminal block*.
In order to enable the operator to turn off the power input immediately, install a switch or
a circuit breaker according to the relevant requirements in IEC 60947-1 and IEC 60947-
3 and properly indicate it*.
• Altitude up to 2000 meters*
• Insert noise filters for the ports explained below.
- For the power source, input, and LAN cable connected to the unit, NEC Tokin ESD-SR-
250 or equivalent model is recommended.
- For the power source and input connected to the unit, COSEL NAC-06-472 or equiva-
lent model is recommended.
- Be sure to connect the unit’s FG terminal to the ground terminal of the filter, which is
inserted in the power source, and connect the ground terminal of the filter to the most
stable grounding point with shortest length.
• The actual installation environments such as panel configurations, connected devices,
connected wires, may affect the protection level of this unit when it is integrated in a
panel system. The user may have to review the CE requirements in regard to the whole
system and employ additional protective measures to ensure the CE conformity.
*Except desktop type.