3 SPECIFICATIONS
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| Initial | Applicable | Registration | Reference | |||
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CH1 | CH2 |
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| MC | Non | Bi | allowed | ||
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| Switching mode no. designation (0001H to 0007H, 00FFH) |
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| 0001H: MC protocol (format 1) | 0005H: MC protocol (format 5) |
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144 | 304 |
| 0002H: MC protocol (format 2) | 0006H: Non procedure protocol |
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(90H) | (130H) |
| 0003H: MC protocol (format 3) | 0007H: Bidirectional protocol |
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| 0004H: MC protocol (format 4) | 00FFH: GX Developer |
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| Transmission specifications after switching designation |
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| Designates transmission specifications (below) after switching |
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| when b15 of this area is 1 (ON). |
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| Operation setting (b0) | 0: Independent | 1: Link |
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| 4.5.2 | |
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| For designation of | Data bit (b1) | 0: 7 bit |
| 1: 8 bit | 0 |
| RW | Not allowed | Chapter 15 | |
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| mode switching | Parity bit (b2) | 0: No |
| 1: Yes |
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| Odd/even parity (b3) | 0: Odd |
| 1: Even |
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| Manual |
145 | 305 |
| Stop bit (b4) | 0: 1 bit |
| 1: 2 bit |
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| (Application) |
(91H) | (131H) |
| Sum check code (b5) | 0: No |
| 1: Yes |
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| Write during RUN (b6) | 0: Prohibited | 1: Allowed |
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| Setting modification (b7) | 0: Prohibited | 1: Allowed |
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| Communication rate (b8 to b11) | 50 bps to 230400 bps |
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| For system (b12 to b14) |
| All 0 |
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| Transmission specifications after switching (b15) designation |
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0:Match settings in GX Developer
1:Match settings in this area
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| RS and DTR signal status designation |
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146 | 306 | Signal setting | 0: Off 1: On |
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RS signal (b0) |
| 0005H | Allowed | Section 3.2.1 | ||||
(92H) | (132H) | ( 1) |
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DTR signal (b2) |
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| For system (b1), (b3) to (b15) |
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| DTR/DSR(ER/DR), DC control designation |
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| • Transmission control (b0) |
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147 | 307 |
| 0: DTR/DSR control | 1: DC code control |
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| • DC1/DC3 control (b8) |
| 0 |
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(93H) | (133H) |
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| 0: No control | 1: Controlled |
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| • DC2/DC4 control (b9) |
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| 0: No control | 1: Controlled |
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| 8.4.5 |
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| For designation of | DC1/DC3(Xon/Xoff) code designation |
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148 | 308 | transmission | • DC1 code (b0 to b7) |
| 1311H | RW |
| Chapter 7 |
(94H) | (134H) | control | 00H to FFH: DC1 code |
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| of User's | |
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| • DC3 code (b8 to b15) |
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| Manual |
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| 00H to FFH: DC3 code |
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| (Application) |
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| DC2/DC4 code designation |
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| Allowed |
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149 | 309 |
| • DC2 code (b0 to b7) |
| 1412H |
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| 00H to FFH: DC2 code |
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(95H) | (135H) |
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| • DC4 code (b8 to b15) |
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| 00H to FFH: DC4 code |
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| Chapters 6 |
150 | 310 |
| Word/byte units designation |
| 0 |
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(96H) | (136H) |
| 0: Word units | 1: Byte units |
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For designation |
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| of communica- |
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| RW |
| 8.4.5 |
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| Section | ||
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| tion control |
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151 | 311 | CD terminal check designation (for | 1 |
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| 3.2.1 | ||
(97H) | (137H) |
| 0: Check | 1: No check |
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| 8.4.5 |
3 - 20 | 3 - 20 |