Chapter 2 Installation 18
Data Link OR Remote I/O Link
A2A3
S
A4A1 A2 A1
RS485
BA A3
S
A4
RS485
BA A3A1 A2 AB
RS485
A4
S
The power supply and the I/O supply should share the same power source. Only short circuit the first and the last
module.
When I/O link, the net can connect 8 products in max. (ID: 0-7).
When Remote I/O is available, it only can connect 2 products max (Master & Slave).
①-1A quick-blowing fuse, circuit-breaker or circuit protector
②-Surge absorber (36V DC)
③-Surge absorber (400V AC)
④-Fuse, circuit-breaker or circuit protector
⑤-Inductive load
⑥-Only short circuit the first product and the last product
⑦-Comply with standard: EIA RS-485.
※ More information about V type communication to see “Chapter 7 20 Pointe V type High-powered Models
Instruction”.
K type Indicator Light
There is an indicator light to indicate the status of SG2 (K type) smart, and the below table shows the relationship
between the light and the SG2 status.
State of light Description
Power up, SG2 is stopping
Flicker slow(2Hz), SG2 is running
Flicker quick(5Hz), SG2 is under failure status
—ROM error
—illogicality in user program
—EEPROM error
—expansion model error
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