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Appendix A
Specifications
Standard Specifications
The standard specifications of the CQM1-LK501 I/O Link Unit conform to those of the CQM1H/CQM1 PC.
SYSMAC BUS Standard Specifications
Performance Specifications
Item Specification
Transmission method Time-division multiplex cyclic
Communication method Two-wire semi-duplex
Transmission path 2-core cable (VCTF 0.75 x 2 C is recommended)
Interface RS-485
Transmission speed 187.5k bps
Transmission distance 200 m max.
Item Specification
Name I/O Link Unit
Model CQM1-LK501
Current consumption 150 mA at 5 VDC
I/O delay 8 ms/64 points
I/O points 64 points (32 input points and 32 output points)
External output Operating output: G6D, SPST-NO, 2 A max.
Diagnostic function • Transmission error check (BCC + inverted double transmission collation)
• CPU error monitor
• Transmission path error check
Weight 220 g max.
Dimensions 32 x 110 x 107 (W x H x D)
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