Omega IF-002, IF-001 User guide

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User’s Guide

IF-001

IF-002

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IF-001/IF-002

USB/Modbus Smart Interface

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The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains and reserves the right to alter specifications without notice.

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Omega Engineering, Inc:

800 Connecticut Ave. Suite 5N01, Norwalk, CT 06854, USA Toll-Free: 1-800-826-6342 (USA & Canada only) Customer Service: 1-800-622-2378 (USA & Canada only) Engineering Service: 1-800-872-9436 (USA & Canada only)

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Table of Contents ............................................................................................................................................. 3

1 Notes, Cautions, and Warnings .................................................................................................................. 4

2 Omega Link Smart Interface Overview ....................................................................................................... 5

2.1 IF-001...............................................................................................................................................................5

2.2 IF-002...............................................................................................................................................................5

3 Smart Interface Pin Layouts ....................................................................................................................... 6

3.1 IF-001: Smart Probe to USB ...............................................................................................................................6

3.2 IF-002: Smart Probe to Modbus RTU .................................................................................................................7

4 IF-001 and IF-002 Serial Communication ..................................................................................................... 8

4.1 Serial Packet Format.........................................................................................................................................8

4.2 Modbus Register Mapping ................................................................................................................................9

4.3 Configuration Registers ....................................................................................................................................9

4.3.1 I2C Status............................................................................................................................................................. 10

4.3.2 System Control Register ...................................................................................................................................... 10

4.4 Serial Configuration (IF-002) ........................................................................................................................... 11

4.4.1 Configuration Update.......................................................................................................................................... 11

4.4.2 Serial Configuration Recovery ............................................................................................................................. 12

5 Command Line Interface .......................................................................................................................... 13

5.1 Help Command .............................................................................................................................................. 13

5.1.1 Alternate Address {Add}...................................................................................................................................... 13

5.1.2 Numeric Formats ................................................................................................................................................. 14

5.1.3 Command Repetition @, #, / .............................................................................................................................. 14

5.2 Read Command .............................................................................................................................................. 15

5.3 View Command .............................................................................................................................................. 16

5.4 Trigger Command ........................................................................................................................................... 17

5.5 Serial Command ............................................................................................................................................. 17

5.6 Configure Command ....................................................................................................................................... 18

5.6.1 Configure Device ................................................................................................................................................. 19

5.6.2 Configure Sensors and Outputs .......................................................................................................................... 20

5.7 Option Command ........................................................................................................................................... 22

5.7.1 Verbose Mode ..................................................................................................................................................... 23

5.8 Hex / hex / Decimal Option ............................................................................................................................ 23

5.9 INTR Processing .............................................................................................................................................. 24

5.9.1 Ignore INTR .......................................................................................................................................................... 24

5.9.2 Process INTR ........................................................................................................................................................ 24

5.9.3 I2C Address .......................................................................................................................................................... 25

5.9.4 Bus Speed ............................................................................................................................................................ 25

5.9.5 Modbus Address ................................................................................................................................................. 25

6 Appendix A: Smart Sensor Register Summary ........................................................................................... 26

7 Appendix B: Specifications ....................................................................................................................... 28

1 8. Appendix C: Texas Instrument License Statement ................................................................................. 28

8 Appendix C: Texas Instrument License Statement ..................................................................................... 29

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1 Notes, Cautions, and Warnings

If the equipment is used in a manner not specified in this manual, the protection by the equipment may be impaired.

Do not operate the equipment in flammable or explosive environments.

It is important to read and follow all precautions and instructions in this manual before operating or commissioning this device as it contains important information relating to safety and EMC. Failure to follow all the safety precautions may result in injury and/or damage to the equipment.

The following labels identify information that is especially important to note:

Note: Provides information that is important to successfully set up and use the Omega Link device.

Caution or Warning: Informs about the risk of electrical shock.

Caution, Warning, or Important: Informs of circumstances that can affect the functionality of the instruments

and must refer to accompanying documents.

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2 Omega Link Smart Interface Overview

Color

Status

Off

No Activity (no VBus present), waiting for next command

YELLOW

Waiting for USB enumeration, Pending Bootstrap mode

RED – 1-second

flash rate

A short condition has been detected on the sensor power circuitry. Disconnect the device.

RED – ¼ second

flash

A message to the device was not acknowledged.

GREEN

After power-up and USB enumeration, the GREEN LED remains on until the first transaction with the smart sensor device

GREEN Flash

The GREEN LED is turned on at the beginning of each transaction with the Smart Sensor and turned off at the end.

The Omega Link IF-001 and IF-002 smart interfaces provide an easy way to configure, integrate, and monitor your Omega Link Smart Probes. The IF-001 and IF-002 are both fully compatible with SYNC configuration software, the Omega Link Cloud, the Omega Link family of hardware Gateways, and Omega Enterprise Gateway software. Omega Link Smart Interfaces provide both a simple command line interface, for quick configuration and monitoring, and Modbus RTU support, for integration with industrial networks. The command line interface allows interactive visualization of the connected Omega Link Smart Probe through accessible text strings using any terminal emulator.

The M12 8-pin female connector provides 3.3 VDC power for external Omega Link Smart Probes with an integrated power monitor to protect against short circuits.

Operating Requirements: Windows OS 10 and above

The following LED status indicator table provides descriptions of the different Smart Interface behaviors.

2.1 IF-001

The IF-001 provides an easy way to configure and monitor Omega Link Smart Probes using SYNC or other configuration tools. The IF-001 is a USB CDC / VCP device (serial interface), allowing it to connect to computers that do not have a native serial port. The USB 2.0 compliant device is compatible with Windows.

2.2 IF-002

The IF-002 allows Omega Link Smart Probes to connect to existing RS485 Modbus RTU serial networks. An M12 5pin male connector provides a standard RS485 serial interface. The IF-002 can run off a wide range of power, from 5 to 36 VDC, allowing broad compatibility while providing regulated power to Smart Probes.

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3 Smart Interface Pin Layouts

Name

Function

Pin 1

N/A

No Connection

Pin 2

INTR

Interrupt Signal

Pin 3

SCL

SCL Signal

Pin 4

SDA

SDA Signal

Pin 5

Shield

Shield Ground

Pin 6

N/A

No Connection

Pin 7

GND

Power Return

Pin 8

VCC

Nominal 3.3 VDC to Smart Probe

Figure 2: IF-001 front view

of M12 8-Pin Connector

3.1 IF-001: Smart Probe to USB

The IF-001 can connect direct to the Omega Link Smart Probe through an M12 8-pin female connector as shown in the example below. The connector supports the required I2C + INTR signal lines and the Smart Probe power signals. The shield connection is coupled to the Serial Connector.

Figure 1:Example SP-001 connected to an IF-001

The Smart Probe Discrete I/O signals are not internally connected. An M12.8-S-M-FM and M12.8-T-SPLIT are required to access the Discrete I/O Use the wiring diagram below to connect your Smart Probe and Discrete I/O accessories to the IF-001 cable.

Figure 3: Example SP-001 connected to an M12.8-T-SPLIT, M12.8-S-M-FM, and IF-001

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3.2 IF-002: Smart Probe to Modbus RTU

Name

Function

Pin 1

VDD

5-36V

Pin 2

A’

RS485 Data +

Pin 3

GND

Ground

Pin 4

B’

RS485 Data -

Pin 5

Shield

Shield Ground

Name

Function

Pin 1

N/A

No Connection

Pin 2

INTR

Interrupt Signal

Pin 3

SCL

SCL Signal

Pin 4

SDA

SDA Signal

Pin 5

Shield

Shield Ground

Pin 6

N/A

No Connection

Pin 7

GND

Power Return

Pin 8

VCC

Nominal 3.3 VDC to Smart Probe

Figure 4: IF-002 front view

of M12 5-Pin Connector

Figure 6: IF-002 unit

Figure 5: SP-001

Figure 7: M12.5-S-F-FM

Figure 8: USB to RS485

Cable

Figure 9: IF-002 front view

of M12 8-pin connector

The IF-002 is used to connect to an existing Serial Modbus network through its M12 5-pin connector and directly to M12 Smart Probes through its M12 8-pin connector. The serial 5-pin connector provides the RS485 differential pair signal (A’, B’), power input, and a shield signal. The device will accept external power in the range of 5 – 36 VDC with reverse polarity and overcurrent protection up to 300 mA.

Additionally, a 5-pin M12.5-S-F-FM connector and a third-party USB to RS485 Serial Converter Cable are required to establish a connection from the IF-002 and the USB COM Port of your PC or Modbus device. Refer to the wiring diagram provided with your USB to RS485 to successfully connect the IF-002 wire leads of the USB to RS485 cable.

An M12.8-S-F-FM and M12.8-T-SPLIT can be attached to the Smart Probe prior to connecting to the IF-002 to access the discrete I/O using the following wiring diagram.

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4 IF-001 and IF-002 Serial Communication

Default Serial Configuration

Modus Address

Address Range

Baudrate

115200

Parity

Even

Stopbits

Databits

Start of Frame

Character

Hex

Interpretation

0x23

Command Line Interface comment line (ignored)

0x3a

Start of Frame for Modbus ASCII frame

0x3f

Command Line Interface ‘Help’ command – display command / current state summary

0x43

Command Line Interface ‘Configure’ command – configure Smart Probe device

0x4F

Command Line Interface ‘Options’ command – configuration options

0x52

Command Line Interface ‘Read’ command – read any Smart Probe register

0x54

Command Line Interface ‘Trigger’ command – trigger an event on Smart Probe device

0x56

Command Line Interface ‘View’ command – view Smart Probe data and status

0x57

Command Line Interface ‘Write’ command – Write any Smart Probe register

Any other character

Any

other

Indicates register address for a Modbus RTU frame

The serial communication parameters may be configured over the serial channel or SYNC configuration software. The factory default configuration conforms to the required Modbus RTU standard.

The IF-001 is a virtual COM port and will accept any serial port baud rate.

Refer to the table below for the default serial configuration of the IF-002:

4.1 Serial Packet Format

Communications to the IF-001 and IF-002 are based on serial data frames. For serial terminal sessions, the

“transaction” ends on the receipt of a CR (0x0d) character. For Modbus RTU transactions, the entire transaction

must adhere to the Modbus serial RTU time specifications.

The IF-002 uses the first byte of the transaction (the start-of-frame character) to determine the type of transaction. For the Command Line Interface, the first character denotes the operation to be performed as indicated in the following table:

Any other byte value appearing at the start of the frame is interpreted as a Modbus RTU Modbus device address.

Note: This requires excluding several Modbus addresses in the RTU mode, but in most cases this will have

no impact.

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4.2 Modbus Register Mapping

Modbus Register

Usage

0x0000 – 0xebff

Register address 0x0000 – 0xebff and addresses 0xf800 – 0xffff are not recognized and will result in an INVALID ADDRESS response

0xec00 – 0xefff

Registers 0xec00 – 0xefff are reserved for configuration of the IF-001 / IF-002

0xf000 – 0xf7ff

Registers 0xf000 – 0xf7ff are mapped to the external I2C device(s)

0xf800 – 0xf800

Invalid Address

MB Register

Type

Access

Description

Reserved

0xec00 – 0xefcf

u16

Reserved, return Invalid Address

I2C_Read Errors

0xefd0

u32

Number of Read errors

I2C_Write_Errors

0xefd2

u32

Number of Write errors

I2C_Read Retries

0xefd4

u32

Number of Read Retries

I2C_Write_Retries

0xefd6

u32

Number of Write Retries

I2C_Indirect_Retries

0xefd8

u32

Number of Read Retries

I2C_Read_Request

0xefda

u32

Number of read requests

I2C_Write_Request

0xefdc

u32

Number of write requests

Reserved

0xecda – 0xefe7

Reserved, return Invalid Address

DEVICE_ID

0xefe8-0xefeb

u8[8]

RW*

Read only, but used as part of Bootload access mechanism

FW_VERSION

0xefec-0xefed

u32

RW*

Read only, used as part of Bootload access mechanism. Formatted as MM.mm.bb.cc

HW_VERSION

0xefee-0xefef

u32

Formatted as MM.mm.bb.cc

DEVICE_TYPE

0xeff0

u16

0xff01 == IF-002

SYSTEM CONTROL

0xeff1

u16

R/W

I2C_BASE_ADDRESS

0xeff2

u16

R/W

Defaults to 0x68. Sets the base address of I2C device(s).

I2C_SPEED

0xeff3

u16

R/W

I2C bus speed in kHz, ie 40 == 40 kbit/second

SERIAL_CONFIG

0xeff4

u16

R/W

See Serial Configuration Word

MODBUS_ADDRESS

0xeff5

u16

R/W

Defaults to 1. Sets the base address for Modbus transactions. Limited to 1 .. 247.

ADDRESS_RANGE

0xeff6

u16

R/W

Default to 0, limited to 0..7. Sets number of consecutive Modbus addresses accepted. Each Consecutive Modbus address maps to consecutive I2C device addresses.

MANUFACTURED_DATE

0xeff8

u16

Bit packed value with format YYYYY.MM.DD

USER_HOURS

0xeff9

u16

R/W

User settable counter, increments every 3600 seconds

OPERATING_TIME

0xeffa

u32

Total number of seconds of operation

GATEWAY_CONTROL

0xefff

u16

Reserved

The IF-001 and IF-002 accept RS485 Modbus RTU packets. The IF-001 / IF-002 maps the Modbus register addresses to internal configuration registers and to external I2C registers.

Modbus Register = ((Smart Probe 12C Register) / 2) + 0xf000

4.3 Configuration Registers

The configuration registers are stored in non-volatile memory. Changes to the serial configuration and Modbus address take effect after the Modbus Transaction.

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4.3.1 I2C Status

7 6 5 4 3 2 1

CLI

HEX

VERBOSE

INTR MODE

ON 1 OFF

Ignore

Process INTR

Send Notify

10 9 8

Reserved

Reset

Stats

Device

Reset

Factory

Reset

Modbus registers 0xefd0 - 0xefd9 provide access to statistics indicating the number of I2C errors and retries. The Retry counts indicate the number of transactions that resulted in an NAK. When an NAK is detected, the IF-001 / IF-002 will automatically generate up to 3 retries. If an NAK is detected on the 3rd attempt the transaction is dropped, an error is reported and the Read or Write Error count is incremented. The Indirect Retry count is incremented if an NAK is generated when writing the Indirect register (0x0030).

4.3.2 System Control Register

4.3.2.1 INTR Mode

The INTR Mode determines how the Smart Probe INTR signal is handled. If it is set to PROCESS, the Command Line Interface activity is processed. If it is set to Notify, the device will send a NOTIFY command through the Command Line Interface. For Modbus applications, the INTR Mode should be set to IGNORE.

4.3.2.2 Verbose

The Verbose mode offers expanded information when in the Command Line Interface mode.

4.3.2.3 Hex

The Hex mode causes the data to be displayed as HEX values in the Command Line Interface mode.

4.3.2.4 Device Reset

Writing a 1 to the device reset bit will force the device to re-initialize using the current configuration information.

4.3.2.5 Factory Reset

Writing a 1 to the Factory Reset bit will force a factory reset and all configuration parameters will be returned to the initial factory default values.

4.3.2.6 Reset Stats

Writing a 1 to the reset stats bit will force the I2C Statistic counters to be reset to 0.

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4.4 Serial Configuration (IF-002)

6 5 4

3 2 1

Reserved

Data Width

Stop Bits

Parity

Baud Rate

7 Stop Bits

8 Data Bits

1 Stop

2 Stop

No Parity

Mark Parity

Odd Parity

Even Parity

9600

19,200

38,400

115,200

10 9 8

Reserved

All serial line configuration is done through the serial channel using Modbus or Command Line Interface commands and the configuration information is retained in non-volatile memory. When accessed via Modbus, the serial configuration parameters are accessed at a Modbus register address which is outside of the range mapped to the Smart Sensor registers. When altering the communications parameters, any changes occur after the acknowledgment of the Modbus command.

The device serial configuration word is located at Modbus register address 0xeff4.

4.4.1 Configuration Update

The IF-002 Modbus commands accept changes to the serial configuration (Baudrate, Parity, Stop Bits, Data Bits) but does not apply them until the next power cycle or a Device Reset trigger has been received. This allows all serial configuration parameters to be set using Modbus commands without having to change the host settings as each configuration setting change is made. All other configuration changes are applied immediately.

The sequence to change the communication parameters over the Modbus connection is:

Step 1: Change one or more parameters – each change is acknowledged using the current Serial settings

Step 2: Issue a Write command to the IF-002 System Control Register with the Device Reset bit set.

The command will be acknowledged using the current settings and then the serial channel will be reconfigured to reflect the new settings.

The Command Line Interface includes a Serial command that allows you to set the serial channel. These take immediate effect. In general, the terminal emulator must be reconfigured after the command to match the new configuration.

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4.4.2 Serial Configuration Recovery

Name

Function

Pin 1

N/A

No Connection

Pin 2

INTR

Interrupt Signal

Pin 3

SCL

SCL Signal

Pin 4

SDA

SDA Signal

Pin 5

Shield

Shield Ground

Pin 6

N/A

No Connection

Pin 7

GND

Power Return

Pin 8

VCC

Nominal 3.3 VDC to Smart Probe

Name

Function

Pin 1

VDD

5-36V

Pin 2

A’

RS485 Data +

Pin 3

GND

Ground

Pin 4

B’

RS485 Data -

Pin 5

Shield

Shield Ground

The IF-002 serial configuration may be reset to the factory default values by momentarily connecting the SCL (M12 8-Pin Pin 3) and SDA (M12 8-Pin Pin 4) signal lines together and cycling power. To reset the IF-002 to its factory default settings, follow these steps:

Step 1: Disconnect power from the IF-002 by disconnecting it from your Modbus Network.

Step 2: Unplug any smart probe connected to your IF-002.

Step 3: Short pins 3 and 4 on the 8-Pin connector on the IF-002.

Step 4: Apply power to the IF-002 for 3 seconds from the 5-pin connector.

Step 6: Reconnect your Omega Link Smart Probe and apply power.

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5 Command Line Interface

IF-002, Version 1.11.0.0

O(ptions) <V/v(erbose)> <H/h(ex)/D(ecimal)> <I(gnore) | P(rocess) | N(otify) INTR handling> <A/a(ddr for I2C) =?> <S(peed) =?> <M(odbus Addr) =?> <R(ange) = ?> R(ead) <@><#n></d><{Add}> Reg [Len <format> ...] W(rite) <@><#n></d><{Add}> Reg [data <format>...] V(iew) <@><#n></d><{Add}> <I(nfo) | D(ata) | L(og) | N(ext) T(rigger) <@><#n></d><{Add}> <R(eset) | F(actory reset) | P(ower reset) | C(lear log) | S(ample) | L(og) S(erial) <B(audrate) = 9600 | 19200 | 38400 | 115200> <P(arity) = E(ven) | O(dd) | M(ark) | N(one)> <S(top) = 1 | 2> <D(ata) = 7 | 8> <R(eset)> C(onfig) <@><#n></d><{Add}><R(ate) | I(nterrupt) | D(evice) | S(ensor nn) | O(utput nn)

@ - Continuous/no delay, #n - number cycles, /d - delay time, <..> - are optional formats: I/i(nteger), L/l(ong), F/f(loat).precision, S/s(string) Verbose, Hex, internal INTR use, I2C Addr: 0x68 @ 50 kbp, Modbus Addr: 0x01, Modbus Range: 0x00

Note: The following Command Line Interface section can be applied to both the IF-001 and the IF-002.

The command line interpreter allows human-readable commands to be sent to the smart sensor device through a terminal emulator which are widely available and may be easily installed on a PC or Linux systems. The COM channel enumerated by the device must be selected and must be configured to match the serial configuration parameters. (Refer to Appendix A).

5.1 Help Command

The Help command uses the ‘?’ character and will display a brief summary of the available commands and options.

It is useful to determine if the IF-001 / IF-002 is successfully communicating and does not require a smart probe device to be connected.

5.1.1 Alternate Address {Add}

The I2C address used to access the Smart Sensor device defaults to 0x68, unless overwritten by the Options command. The address may be further overwritten in each command by enclosing the address in { } bracket.

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5.1.2 Numeric Formats

Data Type

Suffix

Example (Assume Hex Option Selected)

Byte

<none, default>

R 0x68 -> display single byte value

16-bit integers

R 0x68 20 2 i -> result displayed as 0x1234

32-bit integers

l (lower case ‘L’)

R 0x68 20 2 l -> result displayed as 0x12345678

Floats

f.n (n == precision)

R 0x68 0x3c 4 f.3 → result displayed as 12.345, precision is optional and defaults to 1 digit.

Strings

S/s

R 0xe0 s → result displays the user-defined device name located at 0xe0 W 0xe0 “My Name” → will write a new device name to the string. Be cautious not to exceed the maximum string lengths.

Data may be entered or displayed as hexadecimal, decimal or float values. The standard output shows data in decimal or hex format depending on the Verbose H/h/D mode setting, which may be overwritten using formatting characters. The following formatting characters are accepted:

5.1.2.1 Invalid Commands

Since the first character of the serial record is used to determine the Command Line Interface

command and all other characters are treated as Modbus Start of Frame (‘:’) or address values, no

interpretation is made of characters other than those shown in the Help summary and no error reporting will be generated.

5.1.3 Command Repetition @, #, /

The Read, Write, View, Configure and Trigger commands may be set up to repeat a specific number of times with an optional repetition rate. Repeated commands are terminated if an error occurs or any keyboard entry is made.

• The ‘@’ symbol causes the command to be repeated indefinitely, at the fastest possible rate. If the @

symbol is specified, the # and / may not be used.

• The ‘#’ symbol, followed by a numeric value, causes the command to be repeated the specified

number of times.

• The ‘/’ symbol, followed by a numeric value, allows specifying a delay in seconds between each

command repetition when using the ‘#’ option.

If no repetition information is provided the command will be executed once.

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5.2 Read Command

// Location 0x3c represents the sensor readings, stored as floating point values. // Read a single byte from the start of the sensor values (default count is 1, type byte)

R 0x3c

[Dev: 0x68 Reg: 0x3c Cnt: 0x01 -> 0x41 ] // Read 2 bytes (the format defaults to BYTE)

R 0x3c 2

[Dev: 0x68 Reg: 0x3c Cnt: 0x02 -> 0x41, 0xb7 ] // Read 3 ‘long ‘ (4 byte) values, representing 12 (0x0c) bytes

R 0x3c 3l

[Dev: 0x68 Reg: 0x3c Cnt: 0x0c -> 0x41b73333, 0x42483d71, 0x447605c3 ] // Read 3 ‘float’ ( 4 byte ) values, representing 12 ( 0x0c ) bytes, default precision is 2

R 0x3c 3f

[Dev: 0x68 Reg: 0x3c Cnt: 0x0c -> 22.8, 50.1, 984.0 ] // Read 3 float values and display with 4 digit precision

R 0x3c 3f.4

[Dev: 0x68 Reg: 0x3c Cnt: 0x0c -> 22.8899, 50.1899, 984.1099 ]

O v d

verbose, Decimal mode, Ignore INTR, I2C Addr: 0x68 @ 50 kbp, Modbus Addr: 0x01

Read 0x38 1l 4f.2

0000367195 23.22, 28.27, 1013.40, 0.00

The Read command accepts the repetition information, the starting register number, the number of elements to be read and the format of the data. The starting register location must be provided while all other fields are optional. If the number of elements is omitted, it is assumed to be one. If the data format is omitted, it is assumed to be BYTES. There may be multiple elements and related format information contained within a read. Commas or spaces may be used to separate the individual values.

R(ead) <repetition options> register [<number> <format <.precision>> …]

The simplest form is R 0x????, where 0x???? represents a value between 0x0000 and 0x0fff. The command will return a single byte from the specified location. A more complex example would be Read 0x38 1l 4f.2 to read the current time, and the 4 sensor readings. The Time information is stored in register 0x38 as a 32-bit long value and is then immediately followed by the four sensor results stored as floating-point values at locations 0x003c .. 0x004b.

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5.3 View Command

Information Group

Attributes (registers)

Usage

I(nformation)

Device Name (0xe0), Device ID (0x00) Number of Sensors (0x00) Number of Outputs (0x00)

Provides summary of the device status and health used to take the measurements.

D(ata)

Current Time, Sensor Readings, Sensor Units

Provides summary of current time, reading values and units of measure.

L(og)

Extract Start, Extract End, Number Records

Provides information on information contained in Log file

N(ext)

Extract Time Extract Data

Extracts and displays the next log file record

View Information

Device: Device Name, ID: 00000001 Type: BTH-SP, Version: 1.25.4.0 Manufactured: 2017/08/25, Operating Hours: 11-13:33:48 Calibrated: 2017/08/25, Calibration Hours: 11-13:33:48 Oper Volt: 3.3 Vdc,Oper Temp: 21 oC, Fault Code: 0 Sensors: 3, Outputs: 2

View L

Start Time: 11-13:06:41, End Time: 11-13:33:59, Records Available: 820

V Data

11-13:34:03 21.0 .C 28.0 %RH 1017.0 mbar

V N

11-13:34:01 21.0 .C 28.0 %RH 1017.0 mbar

The View command accepts an option that specifies what is to be displayed. If no option is provided the command assumes the View Information option.

V(iew) <repetition options> <I(nformation) | (D(ata) | L(og) | N(ext)>

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5.4 Trigger Command

Action

Trigger Register, Value

Usage

R(eset)

Trigger Register = Trigger Value 0x0004

Reset device forcing re-enumeration of sensor mix

F(actory reset)

Trigger Register = Trigger Value 0x0005

Forces a factory reset which clears all user set up and logged information

P(ower reset)

Trigger Register = Trigger Value 0x0006

Performs a user reset that is treated as a power on reset which includes logging the event in the event log.

C(lear)

Trigger Register = Trigger Value 0x0003

Clears the event log

S(ample)

Trigger Register = Trigger Value 0x0100

Forces a sampling of the sensor data. The data is not written to the event log. The display will show the current values.

L(og)

Trigger Register (0x26), Trigger Value 0x0300

Forces a sampling of the sensor data and the information is saved to the event log. The display will show the current values.

Characteristic

Options

Usage

Baudrate)

9600, 19200, 38400, 115200

Serial Baudrate = 38400

Parity

Even, Odd, Mark, None

S P=None

Stop

1, 2

S S=2

Data

7, 8

Serial Databits = 8

Reset

Resets serial configuration to 115200, Even, 8, 1

The Trigger command allows users to initiate an action on the smart sensor. The Trigger commands makes use of the options provided by the Trigger register at register location 0x26. If no option is provided, a Trigger Log sequence will be performed, forcing a reading to be taken and saved to the event memory.

5.5 Serial Command

The Serial command allows setting specific operating characteristics of the Serial interface. If no option is provided the current settings for the selected characteristics are provided.

Multiple options may be set on the same command line in any order. The updated configuration will be shown using the current serial configuration and then all changes are applied at once.

Serial BR=38400, Stop = 1, Data=7 Parity = Odd Baudrate = 38400, Parity = Odd, Data = 7, Stop = 1 <changes are applied, terminal configuration must be changed to match new configuration>

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5.6 Configure Command

Characteristic

Attributes (registers)

Usage

R(ate)

Event 1 Time Base

C R Displays current Rate C R = xx Sets the Event 1 sample time, which is the default timer, used to trigger reading and logging activity.

D(evice)

IO_DEVICE_NAME

IO_LIST_SELECT

C D Displays the I/O mix available on the device with an indication of how to select different configurations. C D = nn Allows selecting device configuration from available options shown in the C D command.

S(ensors)

C S Displays the list of all available sensors on the device and available configuration options. C S n Displays the configuration options available on sensor ‘n’. C S n = x Allows selecting a sensor configuration option from available options shown in the C S n command

O(utputs)

0x??

C O Displays the list of all available outputs on the device and available configuration options. C O n Displays the configuration options available on output ‘n’. C O n = x Allows selecting a output configuration option from available options shown in the C O n command

The Configure command sets specific operating characteristics of the device. If an option is not provided, the current settings for the selected characteristic are provided. If no characteristic is provided, a summary of the Configure command is provided.

C(onfig) <repetition options> <R(ate) | D(evice) | S(ensors) | O(utputs)> < option >

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5.6.1 Configure Device

C D

SP-003-1 Options T / OUT (option: 0) H / OUT (option: 1) T,H / OUT (option: 2) B / OUT (option: 3) T,B / OUT (option: 4) H,B / OUT (option: 5)

>> T,H,B / OUT (option: 6)

C D = 1

SP-003-1 Options T / OUT (option: 0) H / OUT (option: 1) T,H / OUT (option: 2) B / OUT (option: 3)

>> T,B / OUT (option: 4)

H,B / OUT (option: 5) T,H,B / OUT (option: 6)

The Configure Device command displays a list of different device configurations as shown below. In this example, there are 2 configurations available (0 to 1) and currently option #6 is selected.

To change the device configuration, enter C D = n, where n is one of the displayed options. The device will be reconfigured, a ‘Reset’ will be generated to force the new input selections to be enumerated and a revised list will be displayed.

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5.6.2 Configure Sensors and Outputs

C S

Sensor Type (0) Options DIN (option: 0)

>> RATE (option: 1)

WIDTH (option: 2) DUTY (option: 3) DELAY (option: 4) CNT (option: 5)

U/D_CNT (option: 6) PLS NO/PU (option: 7)

>> NC/PU (option: 8)

NO/PD (option: 9)

NC/PD (option: 10) RST NO/PU (option: 11) NC/PU (option: 12)

>> NO/PD (option: 13)

NC/PD (option: 14) ENB NO/PU (option: 15) NC/PU (option: 16)

>> NO/PD (option: 17)

NC/PD (option: 18) Sensor (1) Options DIO DIO_0 Active Disable (option: 0) HIGH (option: 1)

>> LOW (option: 2)

DIO_1 Active Disable (option: 3) HIGH (option: 4)

>> LOW (option: 5)

C S 0 = 6

Sensor Type (0) Options DIN (option: 0) RATE (option: 1) WIDTH (option: 2) DUTY (option: 3) DELAY (option: 4) CNT (option: 5)

>> U/D_CNT (option: 6)

PLS NO/PU (option: 7) NC/PU (option: 8) NO/PD (option: 9) NC/PD (option: 10) RST NO/PU (option: 11) NC/PU (option: 12)

>> NO/PD (option: 13)

NC/PD (option: 14) DIR NO/PU (option: 15) NC/PU (option: 16)

>> NO/PD (option: 17)

NC/PD (option: 18)

When configuring sensors and outputs, multiple Sensor or Output Types may be presented. If any of the ‘options’ related to the Sensor or Output Type are selected the device will be reset to ensure reenumeration of the selected type and the remaining options (CLK A, RST etc.) may change.

20 | M 5 7 57

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In addition to selectable options, sensors may also contain Sensor Parameters, whose floating-point values are maintained

V i

Device: Device_19302C0C, ID: 0x010119302c0cda4d Type: SP-013-1, Version: 0.1.4.0 Core Version: 3.31.1.0, H/W Version: 1.0.0.0

Manufactured: 2019/07/08, Operating Hours: 0-02:00:25 Calibrated: 2019/07/08, Calibration Hours: 0-02:00:25 Oper Volt: 3.3 Vdc,Oper Temp: 25 oC, Fault Code: 0x0000 Sensors: 2, Outputs: 2, Sample Rate: 1

C D

SP-013-1 Options DIGITAL/OUT (option: 0)

>> DIGITAL, DIN/OUT (option: 1)

C S 0

Sensor Type (0) Options DIN (option: 0) RATE (option: 1) WIDTH (option: 2) DUTY (option: 3) DELAY (option: 4) CNT (option: 5)

>> U/D_CNT (option: 6)

PLS NO/PU (option: 7) NC/PU (option: 8) NO/PD (option: 9) NC/PD (option: 10) RST NO/PU (option: 11)

NC/PU (option: 12

>> NO/PD (option: 13)

NC/PD (option: 14) DIR NO/PU (option: 15) NC/PU (option: 16)

>> NO/PD (option: 17)

NC/PD (option: 18)

R 0x08c0 1 f

[Dev: 0x68 Reg: 0x8c0 Cnt: 0x04 -> NAN ]

C O 0

Output (0) Options

>> ON/OFF (option: 0)

PWM (option: 1) Active HIGH (option: 2)

>> LOW (option: 3)

C O 0 = 6

Output (0) Options

>> ON/OFF (option: 0)

PWM (option: 1) Active HIGH (option: 2)

>> LOW (option: 3)

in a fixed memory space allocated for each sensor. Sensor Parameters are displayed showing the corresponding allocated space. The corresponding Sensor Parameter may be read or written using the Read and Write commands.

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5.7 Option Command

Action

Usage

V(erbose)

Turn on Verbose mode

v(erbose)

Turn off Verbose mode

H(ex)

Data values are output in hexadecimal Upper case ie: 0x1AC7

h(ex)

Data values are output in hexadecimal Lower case ie: 0x1ac7

D(ecimal)

Data values are output in decimal format ie: 6855

I(nterrupt)

Ignore (and disable) the Smart Sensor device INTR device interrupt

P(rocess)

Process the Smart Sensor INTR device interrupt

N(otify)

Notify via notification message on interrupt occurrence

A(ddress) = nnn

Set the address to be used when accessing the smart sensor device

a(ddress)

Set the default I2C address (0x68)

S(peed) = nnn

Set the I2C bus clock speed to be used

M(odbusAddr) = nnn

Set the Modbus address to be used

Serial

Configuration Options

B(audrate)

9600 | 19200 | 38400 | 115200

P(arity)

Even | Odd | Mark | None

D(atabits)

7 | 8

S(top)

1 | 2

The Option command allows configuring the IF-001 / IF-002 device to use default values to simplify the user interface by providing extended formatting options. Changes to the Options settings are retained in the internal Flash memory.

O(ptions) <V/v(erbose)> <H/h(ex)/D(ecimal)> <I(gnore) | P(rocess) | N(otify) INTR handling>

Characters shown in parenthesis (..) are optional. To Enable an option, specify the name with an upper-case character. Multiple options may be specified in the same command line in any order. To disable the option, specify the name with a lower-case character.

The serial port settings can be changed using the command line interface. To set the Modbus Address on your IF001 / IF-002, use the following command:

O(ptions) M(odbusAddr) = X

Note: For Modbus RTU operation the Modbus Address must be unique, Databits must equal 8, and Stopbits

must be set to 1.

Serial commands should be entered in the same line and can be separated by a comma. Use the following table and example to set your serial configuration:

To Set the Serial Configuration options on your IF-001 / IF-002, use the following command:

S(erial) B(audrate) = X, P(arity) =X, D(atabits) = X, S(top) = X

To reset the IF-001 / IF-002 serial configuration to default, type the following command:

S R

22 | M 5 7 57

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Multiple Options may be combined into a single command line.

Option V h

Set to verbose mode, lower case hexadecimal output

Option

Verbose, Hex, Ignore INTR, I2C Addr: 0x68 @ 50 kbp, Modbus Addr: 0x01

Option Verbose

Verbose, Hex mode, i(ignore INTR), I2C Address: 0x68 @ 50 kbp, Modbus Address: 0x01

// Read current sensor readings, display as 4 floats

R 0x3c 4f

[Dev: 104 Reg: 060 Cnt: 016 -> 23.1, 50.1, 984.0, 0.0 ]

// Force failure by disconnecting device R 0x3c 4f

[Dev: 104 Reg: 060 E_NAK (009)

O v

verbose, Decimal mode, n(INTR ignored), I2C Address: 0x68 @ 50 kbp, Modbus Address: 0x01

R 0x3c 4f

23.1, 49.8, 983.9, 0.0

R 0x3c 4f

E_NAK (009)

Example:

The response from the Option command is a summary of the current settings. Entering the O command with no parameters returns the current settings.

5.7.1 Verbose Mode

The Verbose mode adds formatting characters to command responses. Commas are inserted between each field and each record is enclosed in [ ] brackets.

5.8 Hex / hex / Decimal Option

The Hex / hex and Decimal option determines how numeric data is displayed if not specifically designated as a float or string value. When entering data, a ‘0x’ indicates a hex value.

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5.9 INTR Processing

Interrupt Status Bits

Enabled

Handler Action

SENSOR CHANGE

Executes a ‘View Info’ command

POWER CHANGE

Executes a ‘View Info’ command

HEALTH CHANGE

Executes a ‘View Info’ command

EVENT 0

Display ‘EVENT 0 INTERRUPT’

EVENT 1

Display ‘EVENT 1 INTERRUPT’

DATA READY

Executes a ‘View Data’ command (precede with ‘!’)

FUNCTION BLOCK

Display ‘FUNCTION BLOCK INTERRUPT’

LOG DATA READY

Executes a ‘View Log’ command

O P

Verbose, Hex mode, Process INTR, I2C Addr: 0x68 @ 50 kbp, Modbus Addr: 0x01 ! 10-19:48:47 23.0 .C 16.0 %RH 1014.0 mbar

! 10-19:48:53 23.0 .C 16.0 %RH 1014.0 mbar

O N

Verbose, Hex mode, Notify on INTR, I2C Addr: 0x68 @ 50 kbp, Modbus Addr: 0x01 N 0x68 0x02 0x0020

N 0x68 0x02 0x0020 N 0x68 0x02 0x0020

Smart sensor devices use I2C in a request / response configuration, where the IF-001 / IF-002 is always the ‘master’ that initiates requests to the attached smart sensor device. If the attached device wishes to initiate a transaction, a separate active low interrupt signal (INTR) is provided.

5.9.1 Ignore INTR

If the IF-001 / IF-002 is configured to ignore the INTR signal (I) the corresponding hardware interrupt signal is disabled. No changes are made to the attached device.

5.9.2 Process INTR

If the IF-001 / IF-002 is configured to process the INTR signal (P) the attached device is preconfigured, enabling the interrupts indicated below and the hardware interrupt is enabled. A handler is enabled to process the INTR signals. Upon receipt of an interrupt from the smart sensor device, the IF-001 / IF-002 adaptor will perform the following actions based on the INTERRUPT STATUS bits register read from the device.

Note: The processing of the INTR signal generates data whenever an interrupt is generated by the

device. This behavior is not compatible with Modbus RTU and the I(nterrupt) processing mode MUST be set to Ignore if Modbus is to be used.

If the INTR is configured to notify (N), an alternate handler is loaded which will generate a Notify message consisting of the Interrupt Status read from the device. No change is made to the INTERRUPT CONTROL register.

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The Notify information consists of the device address (0x68), Register Index (0x?? = Interrupt Status), number of bytes (0x02), and the value.

Writing to the integer INTERRUPT CONTROL register at location 0x16 allows changing the enabled interrupts.

5.9.3 I2C Address

The IF-001 / IF-002 defaults to using I2C address 0x68. The default may be overwritten by setting the Address = ??. If a lower case ‘a’ is entered it resets the address back to the default 0x68 value.

5.9.4 Bus Speed

The I2C bus speed defaults to 40 kb/second, suitable for up to 5-meter cable lengths. This may be changed from values 20 to 100 kbits/second. Note that changing this value will have a minimal impact on overall performance.

5.9.5 Modbus Address

The IF-001 / IF-002 defaults to Modbus address 0x01, which may be overwritten with the M(odbus) option.

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6 Appendix A: Smart Sensor Register Summary

Name

Type

Modbus

Usage / Comments

DEVICE_ID

u32

0x0000

0xf000

Unique identifier for this device

F/W Version

u32

0x0004

0xf002

Formatted as Major.Minor.Bug.Build

Hardware

Version

u32

0x0008

0xf004

Formatted as Major.Minor.Bug.Build

Device I/O List

selection

0x000c

0xf006

Selects Mix of Sensor / Outputs

User Operating

Hours

u16

0x000e

0xf007

User settable (Hours)

Event 1 Timer

Base

u16

0x0010

0xf008

Used to set internal sampling rate

Event 2 Timer

Base

u16

0x0012

0xf008

Aux timer for application specific use

System Control

u16

0x0014

0xf009

Determines how device behaves

Interrupt Control

u16

0x0018

0xf00c

Determines what generated INTR signal

Number Sensors

0x001a

0xf00d

Number of enumerated sensors

Number Outputs

0x001b

Number of enumerated outputs

Operating

Temperature

0x001c

0xf00e

Operating temperature of device

Operating

Voltage

0x001d

Operating voltage of device

Fault Process

0x001e

0xf00f

Where last fault was detected

Fault Code

0x001f

Type of last fault

Event 1 Timer

u16

0x0020

0xf010

Time remaining on Event Timer 1

Event 2 Timer

u16

0x0022

0xf011

Time remaining on Event Timer 2

System Status

u16

0x0024

0xf012

Overall system status / health

Trigger Request

u16

0x0026

0xf013

Initiates action on device

Extract Start Time

u32

0x0028

0xf014

Used for searching Event Log

Extract End Time

u32

0x002c

0xf016

Used for searching Event Log

Number of

Records

u16

0x0036

0xf01b

Number of records found

Current Time

u32

0x0038

0xf01c

Current time (offset for 2000)

Sensor Readings

(4)

float

0x003c

0xf01e

Four values (consecutive Address)

Log Record Time

u32

0x004c

0xf026

Current time (offset for 2000)

Extracted Values

(4)

float /

u32[4]

0x0050

0xf028

Four values (consecutive Address). May be float or u32 values based on record type

Sensor

Range/Type (4)

0x0062

0xf031

Determine overall sensor type/range. The values are offset by 0x08 (0x04 Modbus)

Sensor Device (4)

0x0063

Determine overall specific signal configurations. The values are offset by 0x08 (0x04 Modbus)

Sensor Units (4)

u8[4]

0x0064

0xf032

4 byte string describing units of measure. The values are offset by 0x08 (0x04 Modbus)

User Parameters

(16)

float

0x0080

0xf040

Application specific user registers (setpoints etc.)

The following is a summary of commonly used smart sensor registers.

26 | M 5 7 57

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Sensor (16)

float

0x0080

0xf040

Application specific user registers (setpoints etc.)

User Parameters

(16)

float

0x0080

0xf040

Application specific user registers (setpoints etc.)

Sensor Offset (4)

float

0x00c0

0xf060

Offset value for V = R * Gain + Offset applied to Sensor 0, 4 values

Sensor Gain (4)

float

0x00c4

0xf062

Gain value for V = R * Gain + Offset applied to Sensor 0, 4 values

Device Name

u8[16]

0x00e0

0xf070

16 character user assigned device name

Output Values (4)

float

0x00f0

0xf078

4 values represent output values

Manufactured

Date

u16

0x0128

0xf094

Bit formatted as, year offset by 2000 YYYYYYYMMMMDDDDD

Calibration Date

u16

0x012a

0xf095

Bit formatted as, year offset by 2000 YYYYYYYMMMMDDDDD

Operating Time

u32

0x012c

0xf096

Seconds since manufactured

Time since

Calibration

u32

0x012c

0xf096

Seconds since calibrated

Output

Range/Type (4)

0x0134

0xf09a

Determine overall Output type/range. The values are offset by 0x02 (0x01 Modbus)

Output Device (4)

u8[4]

0x0135

Determine overall specific signal configurations. The values are offset by 0x02 (0x01 Modbus)

Sensor Names

u8[8]

0xe00

0xf700

4 X sensor name string

Output Names

u8[8]

0xe20

0xf710

4 X output name string

Parameter

Names

u8[8]

0xe40

0xf720

16 X parameter name string

Function Block

Names

u8[8]

0xec0

0xf760

32 X parameter name string

FB Parameter

Names

u8[8]

0xfc0

0xf7e0

4 X Function Block parameter names

27 | M 5 7 57

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7 Appendix B: Specifications

Name

Function

Pin 1

N/A

No Connection

Pin 2

INTR

Interrupt Signal

Pin 3

SCL

SCL Signal

Pin 4

SDA

SDA Signal

Pin 5

Shield

Shield Ground

Pin 6

N/A

No Connection

Pin 7

GND

Power Return

Pin 8

VCC

Nominal 3.3 VDC to Smart Probe

Name

Function

Pin 1

VDD

5-36V

Pin 2

A’

RS485 Data +

Pin 3

GND

Ground

Pin 4

B’

RS485 Data -

Pin 5

Shield

Shield Ground

M12 5-Pin Connector (IF-002 Only)

M12 8-Pin Female

Connector Front View

RS485 Serial Port

Baudrate: 9600, 19200, 34800, 115200 Parity: Even, Odd, None Data Bits: 7, 8 Stop Bits: 1, 2 Protocol: Modbus RTU or Command Line Interpreter

Input Power

Voltage: 5 VDC – 36 V

Output to Smart Probe

100 mA max @ 3.0V ±5%

Environmental

Operating Temperature: -40 to 85°C (-40 to 185°F) Rating: IP67 when mated

Mechanical

Dimensions: 22.1 mm W x 96.7 mm L (0.87” x 3.80”)

not including mounting tabs

General

Agency Approvals: CE Compatibility: Windows OS 10 and above. Compatible with OEG, SYNC configuration software,

and Modbus networks

28 | M 5 7 57

Page 29

8 Appendix C: Texas Instrument License Statement

Some elements of Texas Instruments developed software are used in this product. As such, we are required to provide the following:

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

Neither the name of Texas Instruments Incorporated nor the names of

its contributors may be used to endorse or promote products derived

from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

--COPYRIGHT--

29 | M 5 7 57

Page 30

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product.

If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of OMEGA with respect to this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the purchase price of the component upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages.

CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any Product(s) be used in or with any nuclear installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s) in such a manner.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return package and on any correspondence.

The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.

FOR WARRANTY RETURNS, please have the following information available BEFORE contacting OMEGA:

1. Purchase Order number under which the product was PURCHASED,

2. Model and serial number of the product under warranty, and

3. Repair instructions and/or specific problems

relative to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in technology and engineering.

reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior written consent of OMEGA ENGINEERING, INC.

FOR NON-WARRANTY REPAIRS, OMEGA for current repair charges. Have the following information available BEFORE contacting OMEGA:

1. Purchase Order number to cover the COST of the repair,

2. Model and serial number of the product, and

3. Repair instructions and/or specific problems relative to the product.

consult

Page 31

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