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[DESIGN PRECAUTIONS]
!

DANGER
• When a communication error occurs on PROFIBUS-DP, the status of the faulty station is as
follows. Configure an interlock circuit in t he sequence program using the communication status
information (input X1) so that the system can operate safely.
Erroneous outputs and mis-operation could cause accidents.
(1) The input data from the master station remains unchanged from the data prior to the
communication error.
(2) When the master station becomes faulty, th e output status of the QJ71PB93D will be as in
the parameter settings of the master station.
(3) When any QJ71PB93D is down, the output state of other slave stations will be in
accordance with the parameter settings of the master station.
• Do not output (turn on) the "Use prohibited" signa l as the output signal to an intelligent function
module from the CPU module.
Writing data into the "system area" or outputting a signal for "Use prohibited" may cause system
malfunction in the programmable controller.

!

CAUTION
• When the PROFIBUS cable is laid, do not lay it close to main circuits or power lines
RS-422電纜 GT01-C300R4-25P
DC 輸入模塊 AJ35PTF-32D
保護膜 GT11-50PSCB
AC 輸入/繼電器輸出模塊 AJ35PTF-56AR
伺服馬達 HF-KP053
網絡模塊 AJ71QLP21
CPU單元 Q2ASHCPU-S1
RS-422電纜 GT01-C100R4-8P
CPU單元 A2ACPU-S1
電源模塊 A61PN
CPU單元 A2CCPUC24-PRF
伺服馬達 HF-SP52B
保護膜 GT15-90PSCW
伺服馬達 HF-KP43B
伺服電機電源用電纜 MR-PWS1CBL10M-A1-H
保護膜 GT16-90PSCW
CPU單元 A2ASCPU
模塊 AJ35PTC-CNV
RS-232電纜 GT09-C30R2-9P
CPU單元 A3ACPU
計算機通信模塊 A1SJ71UC24-PRF
RS422轉換單元 GT15-RS2T4-25P
保護膜 GT16-80PSCB
GI-50/125光纜型模塊 QJ72LP25G
CPU單元 A3ACPUP21-S3
CPU組件 A1SJHCPU
RS-485適配器 FX2NC-485ADP
CPU單元 A2NCPU
模塊 AJ35PTC-CNV-SI
保護膜 GT11-50PSGW