Emerson Rosemount 1056 Quick Start Manual page 20

Quick Start Guide
Figure 3-6: Alarm relay wiring for Rosemount 1056 switching power
supply (03 ordering code)
Table 3-1: Relays
NO1 (normally open 1)
COM1
NC1 (normally closed 1)
NO2 (normally open 2)
COM2
NC2 (normally closed 2)
NO3 (normally open 3)
COM3
NC3 (normally closed 3)
NO4 (normally open 4)
COM4
NC4 (normally closed 4)
3.4.4 Wire sensor to signal boards
Procedure
1. Wire the correct sensor leads to the main board using the lead
locations marked directly on the board.
2. Carefully slide the wired board fully into the enclosure slot and take
up the excess sensor cable through the cable gland.
20
Relay 1
Relay 2
Relay 3
Relay 4
Emerson.com/Rosemount
February 2022