
KEYSTONE OM13 - EPI-2 3-WIRES MODULE
INSTALLATION AND MAINTENANCE INSTRUCTIONS
© 2017 Emerson. All Rights Reserved.
TABLE OF CONTENTS
1 Optional module 13:
 3-wires module............................................ 1
2 Installation.................................................... 2
3 OM13 module setting and configuration.... 8
4 OM13 kit........................................................ 9
5 OM13 wiring diagram ................................ 10
Emerson.com/FinalControl
WARNING
EPI-2 actuator must be electrically isolated before 
any disassembling or reassembling operations. 
Before any disassembling or reassembling 
operations, please follow in detail the relevant 
paragraph of the basic installation and operating 
manual (latest revision available).
WARNING
The electronic parts of the EPI-2 actuators and all 
optional modules can be damaged by a discharge 
of static electricity. Before you start, touch a 
grounded metal surface to discharge any static 
electricity.
WARNING
It is assumed that the installation, configuration, 
commissioning, maintenance and repair works 
are carried out by qualified personnel and 
checked by responsible specialists.
WARNING
Repair work, other than operations outlined in this 
manual, is strictly reserved to qualified Emerson 
personnel or authorized by the company itself.
1.2 Manufacturer
Manufacturer with respect to Machinery 
Directive 98/37: as specified on the EPI-2 label.
1. OPTIONAL MODULE 13: 3-WIRES MODULE
1.1 OM13 module functionality
The OM13 3-wires module is supplied as an 
option to the Keystone EPI-2 actuators.
It is possible to receive the actuator already 
equipped with the OM13, ordering it with the 
basic feature.
Alternatively, it is possible to order the OM13 as 
a separate kit and install it in the basic actuator 
in the factory or in the field.
The OM13 is an optional module suitable 
to accomplish the following EPI-2 actuator 
additional functionality:
• 120/240V AC 1-phase, 50/60Hz, 3-wire 
control for open/close operations, without 
additional power supply.
IMPORTANT
For decommissioning instructions, please refer 
to the relevant chapter in the EPI-2 manual ref. 
VCIOM-02819.
IMPORTANT
The OM13 command has to be provided by two 
separate switches for open and for close with 
a delay of at least one second between the two 
commands, when reversing the operation from 
open to close or vice versa.
VCIOM-01495-EN15/05
Before installation these instructions must be fully read and understood