Electronic Research Group EC130 Manual de usuario

Electronics Research, Inc. • 7777 Gardner Road • Chandler, IN 47610-9219 • USA

+1 812 925-6000 (tel) • +1 812 925-4030 (fax)

Your Single Source for Broadcast Solutions™ • Call Toll-free at 877 ERI-LINE • Visit Online at www.eriinc.com

Technical Manual

for

ERI Model EC130

RF Dual Switch Controller

TM_EC130

June 30, 2022

Page 2 of 28

Technical Manual for ERI Model EC130 RF

Switch Controller

Part Number: TM_EC130_RF_Switch_Controller

No part of this publication may be reproduced, stored in a retrieval system, or

transmitted, in any form or by any means - electronic, mechanical, recording, or

otherwise - without the prior written permission of Electronics Research, Inc.

Many of the designations used by manufacturers and sellers to distinguish their

products are claimed as trademarks. Where these designations appear in this

instruction book, and Electronics Research, Inc., Inc. was aware of the trademark claim,

the designations have been marked with the © symbol.

While every precaution has been taken in the preparation of this instruction book,

Electronics Research, Inc. assumes no responsibility for errors or omissions, or for

damages resulting from the use of the information contained herein.

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130 
 
Page 3 of 28 
Table of Contents 
Technical Manual for ERI Model EC130 RF Switch Controller..................................2 
Preface...........................................................................................................................5 
Returns and Exchanges...............................................................................................5 
Unpacking....................................................................................................................5 
Technical Assistance....................................................................................................5 
Purpose of this Manual.................................................................................................5 
Warning Regarding Personnel Risks ...........................................................................6 
First-Aid........................................................................................................................6 
General Information......................................................................................................8 
Switch Controller Description.......................................................................................8 
RF Switch Requirements..............................................................................................9 
Specifications...........................................................................................................9 
Installation ...................................................................................................................10 
READ BEFORE APPLYING POWER........................................................................10 
AC Power...................................................................................................................10 
Switch Control Cable (SWA or SWB).........................................................................10 
Preparing a switch to be used with the EC130.......................................................10 
Wiring the Transmitter Interlock Circuit ......................................................................11 
Wiring the SNMP Remote Control Interface...............................................................11 
Wiring the RF Power Detection Interface...................................................................11 
Operation.....................................................................................................................13 
Front Panel Operation................................................................................................13 
Menu Navigation....................................................................................................13 
SNMP Network Configuration Setup..........................................................................17 
Troubleshooting .........................................................................................................20 
Transmitter Interlock and Switch Motor Drive Control................................................21 
Remote Control..........................................................................................................23 
Bypass Switch Controller ...........................................................................................23 
EC130 Accessories.....................................................................................................24 
Parts List and Drawings .............................................................................................25 
 
Figures 
Figure 1 Switch Controller Front Panel............................................................................8 
Figure 2 Switch Controller Rear Panel............................................................................8 
Figure 3 RF Switch Control Cable Wiring......................................................................10 
Figure 4: Switch Port Diagram (Shown in position 2)....................................................12 
Figure 5: Power Meter Pinout Connection.....................................................................12 
Figure 6: Power Sample Placement Best Practice........................................................12 

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130 
 
Page 4 of 28 
Figure 7: Main Menu .....................................................................................................13 
Figure 8: Confirm Menu.................................................................................................14 
Figure 9: Power Meter Menu.........................................................................................14 
Figure 10: Power Meter Offset Menu ............................................................................15 
Figure 11: Power Meter Offset Menu Example .............................................................15 
Figure 12: Power Meter Menu Example........................................................................16 
Figure 13: Power Meter Trip Menu................................................................................16 
Figure 14: SNMP Configuration Utility Main Interface...................................................18 
Figure 15: Set Communication Default Network Parameters........................................18 
Figure 16: Switch Controller Interlock Circuit ................................................................21 
Figure 17: Alternative Wiring Diagram Interlock Circuit.................................................22 
Figure 18: Drawing........................................................................................................26 
Figure 19: EC130 Schematic ........................................................................................27 
Figure 20: EC130-PC1 Interface Board Schematic.......................................................28 
 
Tables 
Table 1: SNMP Read Table ..........................................................................................19 
Table 2: SNMP Write Table...........................................................................................20 
Table 3: Interlock Bypass Logic Table...........................................................................23 
Table 4: Parts List .........................................................................................................25 
 
 

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130

Page 5 of 28

Preface

Returns and Exchanges

Damaged or undamaged equipment should not be returned unless written approval and

return authorization has been received from Electronics Research, Inc. Special shipping

instructions and coding will be provided in said return authorization to assure proper

handling. Complete details regarding circumstances and reasons for return should be

included in the return request. Custom equipment or special order equipment is not

returnable. In those instances where return or exchange of equipment is at the request

of the customer, or of convenience to the customer, a restocking fee will be assessed.

All returns will be sent freight prepaid and properly insured by the customer. When

corresponding with Electronics Research, Inc., always specify the order number or

invoice number to which the shipment applies.

Unpacking

Carefully unpack the equipment and perform a visual inspection to determine if any

damage occurred during transit. Retain the shipping materials until it has been

determined that all received equipment is undamaged. The carrier may inspect the

packing material as part of the claim process. Retain and use the packing lists to help

locate and identify any and all components and assemblies that are removed for

shipping purposes and must be reinstalled upon receipt of the unit. Any shipping

supports and/or packing materials should be removed.

Technical Assistance

Electronics Research, Inc. technical support can be reached during normal business

hours (7:30 AM –4:00 PM US Central Time) via telephone at +1 (812) 925-6000 or FAX

at +1 (812) 925-4030. You may address correspondence to:

Technical Support

Electronics Research, Inc.

7777 Gardner Road

Chandler, Indiana 47610 USA

Purpose of this Manual

This manual is intended as a general guide for trained and qualified personnel who are

aware of the dangers inherent in handling potentially hazardous electrical/electronic

circuits. It is not intended to contain a complete statement of all safety precautions that

should be observed by personnel in using this or other electronic equipment.

The information provided in this manual, technical or otherwise, is not intended as a

design guide and should not be construed as such. This manual is not intended to

provide complete or exhaustive information regarding the general theory behind or the

operation of RF electronic equipment, electromagnetism, or any electronic component

or system that requires specialized instruction or education in order to thoroughly

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130

Page 6 of 28

understand its operation. In short, this manual is intended as a basic guide to the

operation of the components described herein for specifically trained and qualified

personnel only.

Warning Regarding Personnel Risks

The installation, operation, maintenance and service of this equipment involve risks both

to personnel and equipment, and must be performed only by qualified personnel

exercising due care. ERI, Inc. shall not be responsible for injury or damage resulting

from improper procedures or from the use of improperly trained or inexperienced

personnel performing such tasks.

During installation and operation of this equipment, local building and electrical codes

and fire protection standards must be observed. The following National Fire Protection

Association (NFPA) standards are recommended as reference:

1. Automatic Fire Detectors, No. 72E

2. Installation, Maintenance, and Use of Portable Fire Extinguishers, No. 10

3. Halogenated Fire Extinguishing Agent Systems, No. 12A

Do not remove, short-circuit, or tamper with interlock switches on access covers, doors,

enclosures, gates, panels or shields. Keep away from live circuits, know your equipment

and don't take chances.

First-Aid

Personnel engaged in the installation, operation, maintenance or servicing of this

equipment are urged to become familiar with first-aid theory and practices. The

following information is not intended to be complete first-aid procedures; it is a brief and

is only to be used as a reference. It is the duty of all personnel using the equipment to

Warning

THE CURRENTS AND VOLTAGES IN THIS EQUIPMENT ARE DANGEROUS.

PERSONNEL MUST AT ALL TIMES OBSERVE SAFETY WARNINGS,

INSTRUCTIONS AND REGULATIONS.

Warning

ALWAYS DISCONNECT POWER BEFORE OPENING COVERS, DOORS,

ENCLOSURES, GATES, PANELS OR SHIELDS. ALWAYS USE GROUNDING

STICKS AND SHORT OUT HIGH VOLTAGE POINTS BEFORE SERVICING. NEVER

MAKE INTERNAL ADJUSTMENTS, PERFORM MAINTENANCE OR SERVICE

WHEN ALONE OR WHEN FATIGUED.

Warning

IN CASE OF EMERGENCY ENSURE THAT POWER HAS BEEN DISCONNECTED.

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130

Page 7 of 28

be prepared to give adequate Emergency First Aid and thereby prevent avoidable loss

of life.

Treatment of Electrical Burns

1. Extensive burned and broken skin

•Cover area with cleanest available sheet or cloth.

•Do not break blister, remove tissue, remove adhered particles of clothing, or

apply any salve or ointment.

•Treat victim for shock as required.

•Arrange transportation to a hospital as quickly as possible.

•If arms or legs are affected keep them elevated.

Note: If medical help will not be available within an hour and the victim is conscious and

not vomiting, give him a weak solution of salt and soda: 1 level teaspoonful of salt and

1/2 level teaspoonful of baking soda to each quart of water (neither hot or cold). Allow

victim to sip slowly about 4 ounces (a half of glass) over a period of 15 minutes.

Discontinue fluid if vomiting occurs. Do not give alcohol.

2. Less severe burns - (1st & 2nd degree)

•Apply cold (not ice cold) compresses using the cleanest available cloth article.

•Do not break blisters, remove tissue, remove adhered particles of clothing, or

apply slave or ointment.

•Apply clean dry dressing if necessary.

•Treat victim for shock as required.

•Arrange transportation to a hospital as quickly as possible

•If arms or legs are affected keep them elevated.

Reference: [American Red Cross Standard First Aid and Personal Safety Manual

(Second Edition)

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130

Page 8 of 28

General Information

This document provides technical information pertaining to the installation and operation

of the Electronics Research Inc. motorized RF dual switch controller.

Switch Controller Description

The EC130 motorized RF switch controller is designed to operate a two industrial

standard motorized waveguide or coaxial RF switch. The controller is contained in a

5.23-inch standard 19-inch rack mountable chassis. The front panel, shown in figure 1

below, has a key-lock selector switch and a red/green LED that indicates the RF

switch’s interlock status. The controller display shows both switch positions and

provides buttons to initiate a state change. The controller rear panel, shown in figure 2,

provides the status and control connection to the RF switch, a transmitter control

interlock circuit and a remote status and control interface. The transmitter control

interlock circuit is used to insure that RF power is removed from the RF switch before

changing its position. It will also prevent RF power from being applied when the switch

is not locked in an operating position.

Figure 1 Switch Controller Front Panel

Figure 2 Switch Controller Rear Panel

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130

Page 9 of 28

RF Switch Requirements

The controller requires that the motorized RF switch DC voltage matches the controller

DC voltage (either 12V or 24V available) The switch must have two form A (Normally

Open Contact) limit switches in each of its two positions. It is expected that the RF

switch control system will have a three terminal interface such that the switch is driven

by briefly applying the control voltage to two of the three pins. One pair will drive the

switch to position 1 and the other to position 2. The common pin is shared between the

remaining two pins and is connected to the negative terminal of the switch controller’s

power supply. See the controller circuit diagram in the Parts and Drawings section of

this manual for more details.

Specifications

AC Input

Voltage

84 to 264 VAC

Frequency

47 to 63 Hz

Current

1.2 A (120 VAC)

0.8 A (240 VAC)

DC Control Power

Voltage

12 or 24 VDC

Max Current

1.0 A (12 VDC)

0.5 A (24 VDC)

Environmental

Operating Temperature

0 to 50 C

Storage Temperature

-20 to 70 C

Humidity

30% to 85% (non-condensing)

Technical Manual for ERI Model EC130 RF Switch Controller TM_EC130

Page 10 of 28

Installation

Installation consists of mounting the controller box in a rack panel, supplying AC power,

connecting the controller to the RF switch, wiring the transmitter interlock circuit and

optionally wiring the remote control interface. This section describes how to do this.

READ BEFORE APPLYING POWER

The EC130 is capable of 12Vdc or 24Vdc operation of two switches. It is not capable of

controlling both a 12Vdc and a 24Vdc switch simultaneously. VERIFY the control

voltage required by the switch intended to control and toggle the slide switch on the

back panel to the appropriate voltage before powering the switch controller. Failure to

do this first step may DAMAGE the switch circuitry.

AC Power

AC power is supplied to the controller by means of a standard computer power cord. A

six foot cord is supplied with the controller.

Switch Control Cable (SWA or SWB)

The RF switch control cable is a standard Cat-5 or Cat-6 ethernet cable.

Figure 3 RF Switch Control Cable Wiring

Preparing a switch to be used with the EC130

The EC130 is designed to work with ERI “C” model switches. The EC130 and a “C”

series switch is plug-n-play after verifying the control voltage.

If a switch is being used that is not an ERI “C” model, use the diagram above to connect

the appropriate wires to the RF switch’s limit contactors. The EC130 will provide +24

Vdc to the common pin 7. In order for the RF Switch Status Indicator to provide

feedback and allow switching, the COM pin of the limit switch (pin 7) must be connected

directly to pin 8 by means of a jumper wire at the switch. This allows a +24Vdc signal

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