Mettler Toledo ACM500 Guia De Instalacion página 28

4. When installing a connection to COM5, determine which two fiber optic cables come from the
5. When all fiber optic cables are connected, tighten the compression nuts on the outside of the
6. Reinstall the protective cover and interface board assembly to the side of the ACM500.
3.5.1.2. I.S. Serial Interface Connection
The ACM500 does not include cables to connect to the IND560x terminal.
One length of cable is required for each circuit used. Refer to Table 3-2 to determine if one or two
circuits are required for your application. Connection cables are available separately from METTLER
64061976 | 08 | 11/2019
COM5 port of the IND560x. Plug the fiber optic cable from the IND560x COM5 transmitter (U2)
into the ACM500 COM5 receiver (U4) and the cable from the IND560x COM5 receiver (U4) into
the ACM500 COM4 transmitter (U2). Figure 3-10 shows correct wiring between the IND560x
and the ACM500.
IND560x
U1 – Tx
COM4
U3 - Rx
U2 – Tx
COM5
U4 - Rx
Figure 3-10: Fiber Optic Cable Connection Diagram
cable glands to secure the cables in place.
BEFORE PUTTING THE ACM500 INTO SERVICE, MAKE SURE THE PROTECTIVE COVER IS
INSTALLED PROPERLY OVER THE INTERFACE BOARD. THIS PROTECTIVE COVER IS PART OF THE
SAFETY APPROVAL FOR THE ACM500 CONNECTIONS INTO THE HAZARDOUS AREA. NO WIRES
FROM THE COM4 OR COM5 CONNECTION CAN CONTACT THE ACM500 MAIN BOARD OR ANY
OF THE OPTION BOARDS.
Figure 3-9: Fiber Optic Interface Board
WARNING
METTLER TOLEDO ACM500 Installation Manual
U1- COM4 Tx
U3- COM4 Rx
U2- COM5 Tx
U4- COM5 Rx
ACM500
U1 – Tx
COM4
U3 - Rx
U2 – Tx
COM5
U4 - Rx
3-9