Pcb Switch And Jumper Settings - Mettler Toledo ACM500 Guia De Instalacion

The EB grounding lug on the ACM500 enclosure is shown in Figure 3-28 below.
3.8.

PCB Switch and Jumper Settings

Four switches and one jumper are located on the Main PCB, as shown in Figure 3-29. Functions of
the switches are listed in Table 3-10. The W1 jumper is described in Figure 3-30 and Table 3-11.
64061976 | 08 | 11/2019
Figure 3-28: ACM500 Grounding Connection
Table 3-10: Main PCB Switches Functions
Switch
K1-1 Not Used
K1-2 Flash Firmware
Set in the OFF position during normal operation
Set in the ON position before beginning a firmware download
K1-3 Factory Test
Set in the OFF position at all times for normal operation
The ON position is used for testing in the manufacturing facility
K1-4 Not used
Figure 3-29: PCB Switch Positions
Function
METTLER TOLEDO ACM500 Installation Manual
Equipotential
bonding
connection
3-21