Rice Lake 320IS Plus Intrinsically Safe Digital Weight Indicator - Installation Manual - Manual (Page 78)

72 320IS Plus Installation Manual
9.0 Appendix B
This section describes procedures for connecting the analog and digital I/Os, fiber optic and serial
communication cables to the
I/O Module
.
Use a wrist strap to ground yourself and protect components from electrostatic discharge (ESD) when
working inside the indicator enclosure.
9.1 Unpacking and Assembly
Immediately after unpacking, visually inspect the I/O Module to ensure all components are included and
undamaged. The shipping carton should contain the
I/O Module
, Installation Manual (PN 78076), and a parts
kit. If any parts were damaged in shipment, notify Rice Lake Weighing Systems and the shipper immediately.
9.2 Enclosure Disassembly
The
I/O Module
enclosure must be opened to connect cables for load cells, communications, and power.
The I/O Module has does not have an

on/off switch. Before opening the unit, ensure the power is disconnected.
9.3 Installation of the I/O Module
The following section describes the wiring of various ports of the I/O Module . Table 9-1 below lists the
connectors of the main board of the
I/O Module
. See Figure 9-1 for port locations.
Connector Description
CN1 Analog Outputs
CN2 EDP Port
CN3 Printer Port
CN4 Digital Inputs
CN5 Relay Outputs
CN8 DC Power
Optical Input Light Port
Optical Output Light Port
Table 9-1. I/O Module Wiring Ports
CAUTION
WARNING