Emerson Keystone OM1 - EPI2 - Monitor Relay Functionality and Setting; Monitor Relay Functionality

June 2022
Installation, Operation and Maintenance Manual
VCIOM-01494-EN Rev. 0
22
Monitor Relay Functionality and Setting
Section 4: Monitor Relay Functionality and Setting
Section 4: Monitor Relay Functionality
and Setting
The Monitor relay indicates the following failures:
Table 7.
Monitor Relay Functionality
1 Missing input 4 - 20 mA
2 Stop by torque out of the limits
3 Direction failure
4 Temperature too high
5 Position sensor failure
6 Local control panel with selector in local position
7 Valve jammed
8 Hardware malfunction
9 Alarm on the local control panel (if present)
10 Stroke failure
11 Bluetooth failure (if present)
The Monitor relay contacts can be set as closed or open by changing the welding of pin
J1. As a default setting, pins 2 and 3 are welded together, and the Monitor relay contact
operates as follows:
• Contact closed in normal condition with relay energized, and open in case of
malfunction (relay is de-energized).
In case of request, if contact must be open in normal condition and closed in case of
malfunction, the contacts of pin J1 must be modied by welding pins 1 and 2 together.
!
WARNING
This configuration is an hardware setting; so it is mandatory to do it with system off
(no power supply).