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MOUNTING INSTRUCTIONS

This operator interface is primarily designed for 

through-panel mounting. Four VESA mount tapped screw-

holes (M4 x 0.7, 5 mm deep) are present on the rear of the 

panels to allow for stand or wall mounting. Care should be 

taken to remove any loose material from the mounting cut-

out to prevent that material from falling into the operator 

interface during installation. A gasket is provided to enable 

sealing to NEMA 4X/IP66 specification. Install the fourteen 

mounting clips provided and tighten to 6.0 pound-force inch 

(96 ounce-force inch) evenly for uniform gasket compression. 

   

CONNECTING TO EARTH GROUND

Each operator panel has a chassis ground terminal on the back of the unit. 

Your unit should be connected to earth ground (protective earth).

The chassis ground is not connected to signal common of the unit. 

Maintaining isolation between earth ground and signal common is not required 

to operate your unit. But, other equipment connected to this unit may require 

isolation between signal common and earth ground. 

To maintain isolation 

between signal common and earth ground care must be taken when connections 

are made to the unit.

 For example, a power supply with isolation between its 

signal common and earth ground must be used. Also, plugging in a USB cable 

may connect signal common and earth ground.

1

1

 USB’s shield may be connected to earth ground at the host. USB’s shield in 

turn may also be connected to signal common.

POWER SUPPLY REQUIREMENTS

The G10 requires a 24 VDC power supply. Your unit may draw considerably 

less than the maximum rated power depending upon the features being used. As 

additional features are used your unit will draw increasing amounts of power.  

Items that could cause increases in current are modules, additional on-board 

communications, SD card, and other features programmed through Crimson.

In any case, it is very important that the power supply is mounted correctly if 

the unit is to operate reliably. Please take care to observe the following points:

–  The power supply must be mounted close to the unit, with usually not more 

than 6 feet (1.8 m) of cable between the supply and the operator interface. 

Ideally, the shortest length possible should be used.

–  The wire used to connect the operator interface’s power supply should be 

at least 22-gage wire suitably rated for the temperatures of the environment 

to which it is being installed. If a longer cable run is used, a heavier gage 

wire should be used. The routing of the cable should be kept away from 

large contactors, inverters, and other devices which may generate 

significant electrical noise.

–  A power supply with an NEC Class 2 or Limited Power Source (LPS) and 

SELV rating is to be used. This type of power supply provides isolation to 

accessible circuits from hazardous voltage levels generated by a mains 

power supply due to single faults. SELV is an acronym for “safety extra-

low voltage.” Safety extra-low voltage circuits shall exhibit voltages safe 

to touch both under normal operating conditions and after a single fault, 

such as a breakdown of a layer of basic insulation or after the failure of a 

single component has occurred. A suitable disconnect device shall be 

provided by the end user.

FOOT MAY BE REMOVED

FOR THICKER PANEL

INSTALLATIONS

10.197 (259.0)

7.931

(201.4)

4X R.10 (2.5)

MAX.

All tolerances ±.059" (±1.5 mm)

For hazardous location installation, this 

device must be mounted in a suitable 

dust tight end-enclosure and must be 

wired using Division 2 wiring methods 

as specified in article 501-4 (b), 502-4 (b), and 

503-3 (b) of the National Electrical Code, NFPA 70 

for installation within the United States, or as 

specified in section 19-152 of Canadian Electrical 

Code for installation in Canada.

The protective conductor terminal is bonded to conductive 

parts of the equipment for safety purposes and must be 

connected to an external protective earthing system.

O

peratOr

 I

nterface

 I

nstallatIOn

PANEL CUT-OUT

I/O MODULE INSTALLATION

Modules must be installed beginning with slot 1 (left-most slot), with no 

empty slots between the modules, and the order must match the modules order 

in the Crimson database. Torque screws to 6.0 pound-force inch (96 ounce-

force inch). 

REMOVE RUBBER

MODULE PLUG

WARNING: Disconnect all power 

to the unit before installing or 

removing modules.

.87

(22.1)

2.95 (75)

1.48 (37.5)

2.95

(75)

VESA MOUNT (MIS-D 75) DIMENSIONS

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