4 - 4                 4 - 4 
MELSEC-Q 
4    I/O COMBINED MODULE 
4.2 QX41Y41P I/O Combined Module 
• When using the module, configure the system according to Section 1.2.3 (2). 
• The module uses sequential I/O numbers for input and output. 
For I/O numbers of I/O combined modules, refer to Section 1.2.3. 
 
(1) DC input specifications (positive common type) 
 
Type 
Specifications 
QX41Y41P I/O combined module (input specifications) 
Number of input points  32 points 
Isolation method  Photocoupler 
Rated input voltage  20.4 to 28.8VDC (ripple ratio within 5%) 
Rated input current  Approx. 4mA 
Input derating  See the derating chart. 
ON voltage/ON current  19V or higher/3mA or higher 
OFF voltage/OFF current  11V or lower/1.7mA or lower 
Input resistance  Approx. 5.6kΩ 
Response time 
OFF ON 
1ms/5ms/10ms/20ms/70ms or less (configured in PLC parameter) 1 
(Default: 10ms) 
ON OFF 
1ms/5ms/10ms/20ms/70ms or less (configured in PLC parameter) 1 
(Default: 10ms) 
Dielectric withstand voltage  560VAC rms/3 cycles (altitude 2000m) 
Insulation resistance  10MΩ or more by insulation resistance tester 
Noise immunity 
By noise simulator of 500Vp-p noise voltage, 1 s noise width and 25 to 60Hz noise frequency 
First transient noise IEC61000-4-4: 1kV 
Protection degree  IP2X 
Common terminal arrangement  32 points/common (common terminal: 1B01, 1B02) 
Number of occupied I/O points  64 points (I/O assignment is set as a 64-point I/O combined module.) 
Operation indicator 
ON indication (LED), 32-point switchover using switch 2 
External connections  40-pin connector 
Applicable wire size 
0.088 to 0.3mm
2
 (For A6CON1 or A6CON4) 3 
Applicable connector  A6CON1, A6CON2, A6CON3, A6CON4 (optional) 
Applicable connector/terminal block 
converter module 
A6TBXY36, A6TBXY54, A6TBX70 
Internal current consumption (5VDC)  130mA (TYP, all points ON) 
Weight 0.20kg 
 
1: For the setting method, refer to the Section 1.3.1. 
2: Selection of left-hand (F) side provides the first half (X00 to X1F) LED indications, and selection of right-hand (L) side provides the 
latter half (Y20 to Y3F) LED indications. 
3
: When using A6CON2 or A6CON3, refer to Chapter 7.