5.11.2.3. In/output device
5.11.2.3. In/output device
On the fieldbus communication board, there is a DIP SW to enter external setting value and seven segment LED to indicate the version and state of PLD.
Figure 5.78 Exterior of DIP SW(SW1, left) and Seven Segment LED(SEG7, right)
(1) Switch Settings
| CAUTION: Users may not change the setting of DIP switch [SW1]. |
Table 5‑40 How to set fieldbus communication board(BD525) [SW1] switch
Switch No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
Content | OFF | Reserved | |||||||
ON | |||||||||
Initial Setting | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF | |
The External Form of the Switch |
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(2) Seven segment state
Seven segments are all ON with the board reset and then repeatedly blinks every 15 seconds with 1 second interval. Segment indicates the followings.
- V1.V2 : Hardware version of BD525 board (ex. 1 3 è board version 1.3 )
- V3.V4 : PLD version of BD525 board (ex. 1 1 è pld version 1.1)
- S1.S2 : Hexa code of pin No. 3 - 8 of DIP SW(SW1) (ex. 0x00 ~ 0x3F)
- R1.R2.R3 : Reserved for S/W
Table 5‑41 State of fieldbus communication board (BD525) [7-SEG]
Seq. | First 1 time | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Mark |
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Meaning | Reset | B | d | 5 | 2 | 5 | V1 | V2 + Dot |
Seq. | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
Mark |
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Meaning | V3 | V4 + Dot | S1 | S2 + Dot | R1 | R2 | R3 | Dot |
