FIELDBUS APPENDIX - ANYBUS-S MODBUS PLUS DOC. NO ABS-MBP-1.31
2002-08-09
6 Electrical specification
The table below describes the general pin configuration for the Application interface.:
Table 17: Electrical pin specification
Contact Pin |
Description |
Symbol |
|
Min |
Typ |
Max |
Unit |
|
|
|
|
|
|
|
|
1 |
+5V BUS |
VCC |
4.75 |
5.0 |
5.25 |
V |
|
|
Bus Electronics |
IIN |
- |
|
85 |
95 |
mA |
|
|
|
|
|
|
|
|
2 |
GNDBUS |
|
|
|
|
|
|
|
Ground |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3-4 |
No connection |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 |
+5V Power |
VCC |
4.75 |
5.0 |
5.25 |
V |
|
|
Electronic |
IIN |
- |
|
90 |
100 |
mA |
|
|
|
|
|
|
|
|
6 |
GND Ground |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7-31 |
Depending on |
|
|
|
|
|
|
33-34 |
interface, please |
|
|
|
|
|
|
|
see tables below. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32 |
RES IN |
VIH |
0.7 VCC |
|
|
V |
|
|
Reset |
VIL |
|
|
|
0.3 VCC |
V |
|
(Pulse duration) |
tW |
|
|
|
|
µ S |
|
|
|
|
|
|
|
|
Table 18: Alternative 1 - Interface with DP-RAM |
|
|
|
|
|
||
|
|
|
|
|
|
|
|
Parallel Pin |
Description |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7-8 |
Not used (asynchronous data) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9-18 |
Address pins |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
19-26 |
Data pins |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
27 |
BUSY |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
28 |
IRQ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
29 |
RD |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30 |
WR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
31 |
CE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
33 |
Address pin |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
34 |
Not connected |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table 19: Alternative 2 - Asynchronous Serial Interface |
|
|
|
|
|
||
|
|
|
|
|
|
|
|
SCI Pin |
Description |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7 |
Tx |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
Rx |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9 - 12 |
Not Connected |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
13 |
RTS |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14 - 31 |
Not Connected |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
31 - 34 |
Not Connected |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
For further information regarding timing and electrical characteristics of the DPRAM, please see Cypress Data Book, type CY7C136.
26 |
HMS INDUSTRIAL NETWORKS AB |
FIELDBUS APPENDIX - ANYBUS-S MODBUS PLUS DOC. NO ABS-MBP-1.31 2002-08-09
HMS INDUSTRIAL NETWORKS AB |
27 |