Wiring connections comparison - Facility Explorer - LIT-12012045 - Field Device - N2 Controllers

Modernization Guide for N2 Controllers - Facility Explorer

Product name
N2 Controllers
Document type
User Guide
Document number
LIT-12012045
Revision date
2019-03-22
Table 1. Wiring connection similarities, differences and implications
Attribute

UNT

FX-PCG

Implication

I/O Wiring

Connection Location

See Figure 1.

See Figure 1.

You can reuse the existing I/O wiring if the existing wiring is long enough to reach the FX-PCG I/O wiring connection points. If not, you need to lengthen the wiring.

Connection Type

Spade lug connectors

Fixed screw terminal connectors

Remove spade lug connectors from I/O wiring.

N2 Wiring

Connection Location

See Figure 1.

See Figure 1.

You can reuse the existing I/O wiring if the existing wiring is long enough to reach the FX-PCG N2 connection point. If not, you need to lengthen the wiring.

Connection Type

Removable, 3-wire screw terminal connector

Removable, 4-wire screw terminal connector

Replace the UNT's N2 wiring connector with the FX-PCGs.

Power Supply Wiring

Connection Location

See Figure 1.

See Figure 1.

You can reuse the existing power supply wiring if the existing wiring is long enough to reach the FX-PCG power supply connection point. If not, you need to lengthen the wiring.

Connection Type

Spade lug with removable 2-wire screw terminal connector

Removable, 3-wire screw terminal connector

Remove existing connectors from power.

Figure 1. Wiring layout comparison of UNT versus FX-PCG