Mettler Toledo ACM500 Guia De Instalacion página 37

Terminate the wires following the wiring instructions in Table 3-8, or the instructions included with
the connector.
3.6.4. Allen-Bradley RIO Connection
The Allen-Bradley RIO PLC option fits into the PLC interface slot in the ACM500 main board.
Connections to the RIO option are made using a three-pin terminal connector on the RIO option.
Refer to the A-B RIO documentation for termination resistor values and other considerations. The A-
B RIO board is shown in Figure 3-23.
The part number recommended for the RIO cable is Belden 9463, sometimes referred to as "Blue
Hose" cable. This cable can also be purchased from METTLER TOLEDO using part number
64056504. The connection should be wired as shown in Figure 3-24.
3-18
METTLER TOLEDO ACM500 Installation Manual
Table 3-8: PROFIBUS Termination
9-Pin Connector
1
2
3
4
5
6
7
8
9
Figure 3-23: RIO Option Board
Signal Name
Not Used
Not Used
RxD / TxD +
RTS
Gnd Bus
+5 V Bus
Not Used
RxD / TxD -
Not Used
64061976 | 08 | 11/2019