5 - 2 
5   START-UP PROCEDURES 
 
Part name  Confirmation Items  Check  Reference 
Q172DLX Servo external 
signals interface module 
/ 
Q173DPX Manual pulse 
generator interface 
module 
(1) Check that the installation position of modules correspond to the 
system setting. 
 
Refer to the "Q173D(S)CPU 
/Q172D(S)CPU Motion 
controller Programming 
Manual (COMMON). 
(2) Check that the connection with external equipment is correct.   
2.5.4 
2.5.5 
I/O module 
(1) Check that the wire size of cables is correct. 
 
Refer to the I/O Module 
Type Building Block User's 
Manual 
(2) Check that the terminal block screws are tightened correctly.   
(3) Check that the cables connected to each terminal of the terminal 
block correspond to the signal names. 
 
(4) Check that the external power supply is connected correctly. 
(24VDC, 5VDC) 
 
(5) Check that the 100VAC, 200VAC and 24VDC wires are each 
twisted as closely as possible and run in the shortest distance. 
 
4.4.1 
(6) Check that the 100VAC, 200VAC and 24VDC wires are not bind the 
cable together with and run close to the I/O wires. 
 
(7) Check that the I/O wires are wired correctly.   
SSCNET  cable 
(1) Check that the model name of SSCNET
 cables is correct. 
  2.5.7 
(2) Check that the SSCNET  cable connectors are in the correct 
connecting position. 
(3) Check that the SSCNET  cables are connected correctly.   
4.2.1 
(4) Check for looseness, rattling, or distorted connection.   
(5) Check that the SSCNET  cables have been secured at or above 
the minimum bend radius. 
 
(6) Check that the MR-J3BUS M or MR-J3BUS M-A have not come 
in contact with wires/cables made from migratable materials 
containing plasticizers. 
 
Serial absolute 
synchronous encoder  
(Q171ENC-W8) 
(1) Check that the amplitude, eccentricity, and axial displacement 
relative to the machine side rotary shaft are within the permissible 
values. 
 
4.3 
(2) Check that a flexible coupling is being used for coupling with the 
machine side rotary shaft. 
 
(3) Check that the modules are undamaged.   
(4) Check that excessive shock is not being applied when mounting.   4.3