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Instructions for Use
Instructions for Designing
Fail-safe function
CAUTION
Disconnection of a signal line, instantaneous power failure, or abnormal signal may cause a problem.
For this reason, please adopt a fail-safe function for the entire system by yourself.
To ensure safety, be sure to incorporate the interlock circuit, limit circuit, or the like, in the external cir-
cuit excluding the S-LINK V system circuit.
To incorporate the S-LINK V system in your equipment, be sure to adopt a fail-safe function.
Regarding the fail-safe function, if you have an unclear or doubtful point, please contact our sales division.
Conformity to EC Directives
WARNING
● Each unit of the S-LINK V series conforms to various standards. However, to incorporate a unit in
the system, check that entire system can conform to various standards.
● The lightning surge preventive function is not adopted for the I/O module (SL-VM□ / VMP□). To
conform to the requirements of EN 61000-6-2, incorporate the following circuit in your board.
Power supply
Note: If a different part is used, a resistor may be needed between the power
● If it is not necessary for the relay output terminal (SL-VTPR4/8) to conform to the EC Directives,
use of 250V AC, 3A is possible.
To conform to the EC Directives, the S-LINK V system is tested in accordance with the EMC Directive standards, such
as EN 61000-6-4 of the EMI standard and EN 61000-6-2 of the EMS standard. When you incorporate the S-LINK V sys-
tem in your machine or equipment, check that the wiring condition conforms to the requirements of the EC Directives.
To use the SL-VGU1-C together with the PLC (programmable logic controller) manufactured by Mitsubishi Elec-
tric Corporation and to conform to the requirements of the EMC Directive, install the system in accordance with
the PLC User's Manual prepared by Mitsubishi, and be sure to observe the following items:
● Be sure to put the PLC and the SL-VGU1-C in a conductive box.
● Be sure to ground the shielded cable that connects the PLC to the SL-VGU1-C in the 300mm area of the SL-VGU1-C.
● If the shielding effect is not enough, install a ferrite core.
Use with S-LINK system
The S-LINK V system cannot be used together with the S-LINK system. Use with a system may cause abnor-
mal operation or damage. Separately construct the S-LINK V system and the S-LINK system.
However, if gateway controllers are used as the child station of the open network (CC-Link, DeviceNet, RS-485 /
RS-232C, EtherCAT), 2 systems can be used together on the same network.
Not good
S-LINK V
gateway
controller
8
+24V DC
+
–
Surge absorber
Recommended part: ERZV05D390 manufactured by Panasonic Corporation (Note)
supply unit and the surge absorber. Check whether a resistor is needed.
S-LINK V
S-LINK
unit
unit
0V
Good
S-LINK V
gateway
controller
S-LINK V
unit
S-LINK
gateway
controller
S-LINK V
S-LINK
S-LINK
unit
unit
unit
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Table of Contents
Troubleshooting
