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MELSEC-Q 
9   SPRING CLAMP TERMINAL BLOCK 
9. SPRING CLAMP TERMINAL BLOCK 
This chapter describes a spring clamp terminal block. 
 
9.1 Spring Clamp Terminal Block I/O Module 
The spring clamp terminal block I/O module is an I/O module of spring clamp terminal 
block type. 
Since this module uses a spring clamp it does not require screw tightening, which 
greatly reduces the number of wiring procedures. 
 
(1) Model name 
The model name of spring clamp terminal block I/O module is described below. 
Model type  Model name 
I/O module 
QX10-TS QX40-TS QX80-TS 
QY10-TS QY40P-TS QY80-TS 
 
POINT 
 
• Use bar solderless terminals for wiring this module. 
• For the signal names corresponding to the terminal numbers when connected to 
an external device, refer to Chapter 2 and 3 in this manual. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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