Mettler Toledo IND570 Manual De Instalación página 82

2.4.5.13. COM4 Connections (POWERCELL Version Only)
The COM4 port on the POWERCELL version main board (Figure 2-26) provides an electrically
isolated RS-232 connection. Connections to this terminal should be made as shown in Figure
2-93.
2.4.6. Wiring Connections for Options
IND570 terminal options that require external connections include the following:
•
•
•
•
•
•
•
•
•
•
•
Options are installed on the main PCB in the locations indicated in Figure 2-94.
30205319 | 11 | 07/2019
Ethernet TCP/IP
COM2/COM3 Serial Ports
5 In/8 Out Discrete I/O (Relay)
COM2/COM3 Serial Ports with 2 In/5 Out Discrete I/O (Relay)
Analog Output
ControlNet
DeviceNet
EtherNet/IP – Modbus TCP
PROFIBUS (Harsh Enclosure)
PROFIBUS (Panel-Mount Enclosure)
PROFINET
NOTES:
1. USE ONLY SHIELDED CABLE.
2. THE PORT IS ISOLATED SO ONLY THE GROUND
ON THIS TERMINAL SHOULD BE REFERENCED
TO THE CONNECTED DEVICE.
3. MAXIMUM CABLE LENGTH: 50 FEET (15
METERS).
4. WIRE SIZE: 18 AWG (.823 mm
TERMINAL
TXD
RXD
GND
Figure 2-93: COM4 Wiring
METTLER TOLEDO IND570 Terminal Installation Manual
2
) MAXIMUM
2
24 AWG (0.205 mm ) MINIMUM.
SIGNAL
TRANSMIT, RS232
RECEIVE, RS232
COM4 GROUND
2-49