Overview

 

 

 

Section 7-3

 

 

 

 

 

 

 

 

Port 1

Port 2

Bits

Setting

Function

 

 

 

 

 

 

 

DM 6555

DM 6550

00 to 07

---

Not used.

 

 

 

 

 

 

 

 

 

08 to 11

0 Hex

Link words for 1:1 Data Link

 

 

 

 

 

0: LR 00 to LR 63 (default)

 

 

 

 

 

1: LR 00 to LR 31

 

 

 

 

 

2: LR 00 to LR 15

 

 

 

12 to 15

3 Hex

Communications mode

 

 

 

 

 

2: 1:1 Data Link slave

 

 

 

 

 

3: 1:1 Data Link master

 

DM 6556

DM 6551

00 to 15

---

Not used.

 

 

 

 

 

 

 

DM 6557

DM 6552

00 to 15

---

Not used.

 

 

 

 

 

 

 

DM 6558

DM 6553

00 to 15

---

Not used.

 

 

 

 

 

 

 

DM 6559

DM 6554

00 to 15

---

Not used.

6.Write and executed the ladder program.

The Always ON Flag (SR 25313) can be use to program instructions such as MOV(21) to write data to be sent to the other PC to the sending words in the LR area and to read data received from the other PC in the receiving words in the LR area.

7-3 Connections

The connection examples in this section show only the basic connection dia- grams. We recommend that appropriate noise countermeasures be taken in ac- tual applications, including the use of shielded twisted-pair cables. Refer to 2-3 Wiring for actual wiring methods.

CQM1H

CQM1H

Signal

Pin

Pin

Signal

 

Connector edge

Connector edge

 

D-sub, 9-pin male

D-sub, 9-pin male

connector on cable

connector on cable

110

Page 119
Image 119
Omron CQM1H-SCB41 operation manual Overview