Eurotech Advme2702 Owner's manual

Brand: Eurotech

Model: Advme2702

Type: Owner's manual

Manual

Isolated 16-channel D/A Board

Preface

Inquiries

Sales Division

Headquarters

616-4 Tanaka, Okayama 700-0951 Japan

TEL : 086-245-2861 FAX : 086-245-2860

Tokyo Office KDX Kaji-cho 4F , 3-5-2 Kanda Kaji-cho,

Chiyoda-ku, Tokyo 101-0045 Japan

TEL : 03-5294-1731 FAX : 03-5294-1734

INTERNETURL http://www.advanet.co.jp/

1. In order to improve the product, the contents of this document as well as product specifications are subject to change without notice.

2. This document does not give permission to the implementation of patents or other rights held by Advanet or third parties.

3. Reproduction of all or part of this document without Advanet’s permission is prohibited.

2008 Advanet Inc.

〒

Precautions in Use

Please read this manual before using the product in order to insure its safe use.

Do not place the product in a

location where it can fall or be

subject to vibration or impact

because this may cause device

failure.

Protect the device from vibration and impact.

Do not modify the device.

For safety reasons, under no

circumstances should you

modify the device. Advanet will

not repair products that have

been modified.

Protect the product from water

and chemicals.

Contact between the product

and water or chemicals can

result in product failure,

electrocution, or fire.

Protect the product from

foreign material.

Make sure that foreign

material does not get into the

product during use, storage, or

transport because this can

result in product failure.

Take precautions in handling to insure

that you are not injured.

The sharp projections on this

product may cause injury. Take

care in handling this product in

order to avoid injury.

Do not disassemble the product.

In order to maintain

guaranteed product

performance, do not under any

circumstances disassemble

this product.

Keep the product away from radios and TVs.

Do not use the product near

radios, television sets, or other

devices generating strong

magnetic or electrical fields.

This could result in failure or

malfunction.

Keep the product away from

flame, humidity, and direct sunlight.

Do not use or store the product

in any of the following locations

as this could result in product

failure.

Places where there is fire.

Locations high in humidity

or exposed to rain

Locations exposed to direct

sunlight

Dusty or dirty locations

Locations containing

excessive water or

chemical vapors

Precautions in use

Please read this manual before using the product in order to insure its safe use.

Install the product in well-ventilated locations.

Install the product in well-

ventilated locations to

efficiently disperse heat

generated by the product.

Remove the power plug from the receptacle

when not using the product.

Turn off the main switch and

remove the power plug from

the receptacle when not using

the product, or there is the risk

of lightning strike.

Be sure to use the device within rated parameters.

Be sure to use the product

within the ratings specified in

this manual. Failure to do so

may result in malfunction.

Cleaning the product

If the product becomes dirty,

wipe it with a dry soft cloth. A

thinned neutral cleaner may be

used if the product is

particularly dirty. Do not use

benzene, thinners, or other

solvents under any

circumstances.

Be sure to ground the product in order

to prevent electrocution.

Be sure to ground the product

by connecting it to a 3-pole AC

receptacle or by using an AC

receptacle having a grounding

terminal.

Be sure to dispose of the product properly.

Use appropriate methods for

handling industrial wastes

when disposing of this product.

Please contact Advanet for repair of the product.

Please contact your retail

dealer or Advanet when repairs

are necessary.

Make sure that the product is not miswired.

Failure to wire the product

correctly can result in

malfunction or fire. Read this

manual and wire the product

correctly.

Static electricity may cause malfunction.

This product comprises

electronic parts that are highly

susceptible to static electricity.

Static electricity can cause the

product to malfunction. Take

care not to touch any of the

terminals, connectors, ICs, or

other parts with the hands.

When you believe the product to be malfunctioning

Stop using the product if you

believe it is malfunctioning.

Continuing to use a

malfunctioning product can

cause the malfunction to

spread to other products and

can cause short circuits or fire.

Content

1. Prior to use ............................................................................................................................................................................... 6

1.1 Period and scope of warranty ........................................................................................................................................... 6

1.2 Scope of service ................................................................................................................................................................ 6

2. Features .................................................................................................................................................................................... 7

3. Specifications ........................................................................................................................................................................... 8

4. Configuration ........................................................................................................................................................................... 9

5. Setting and Adjustment ...........................................................................................................................................................10

5.1 Switches, jumpers, volume, and connectors ..................................................................................................................... 10

5.2 Base address setting (DSW1, 2) ....................................................................................................................................... 11

5.3 Analog output voltage range setting (JP1 to 16) .............................................................................................................. 11

5.4 Analog output control (VR1) ............................................................................................................................................11

5.5 Others ................................................................................................................................................................................11

6. Register Mapping ....................................................................................................................................................................12

7. Connector ................................................................................................................................................................................ 17

7.1 Analog output connector ................................................................................................................................................... 17

7.2 Output signal ..................................................................................................................................................................... 17

8. Register Control ......................................................................................................................................................................18

8.1 Programming ....................................................................................................................................................................18

8.2 Input code and output voltage .......................................................................................................................................... 18

9. Simple Sample Program .......................................................................................................................................................... 19

9.1 List of sample program codes ........................................................................................................................................... 19

9.2 Explanation .......................................................................................................................................................................24

1. Prior to use

1.1 Period and scope of warranty

Delivered products are under warranty for a period of one year after delivery.

During the period of warranty, the vendor will have his own to responsibility replace or repair malfunctioning

parts if the product malfunction is the responsibility of the vendor.

However, this warranty does not apply under the following circumstances:

(1) If the user handles or uses the product in an inappropriate way

(2) If the malfunction is caused by something other than the delivered product

(3) If the delivered product has been modified or repaired by anyone other than the vendor

(4) Due to natural disaster, accident, or other reason not the responsibility of the vendor

In this context, the term “warranty” means solely a warranty of the individual delivered product, and does not

include any compensation for the damage caused by malfunction of the delivered product.

1.2 Scope of service

The service costs such as the costs of sending technical personnel are not included in the price of the delivered

product. Customers will be charged for the following costs:

(1) Assistance with installation adjustments and test running

(2) Maintenance inspections, adjustments, and repairs

(3) Technical assistance and technical training

2. Features

z VME double-high, 12-bit resolution D/A conversion board with a single slot and 16 channels that are compatible

with A16, D16, and D8 (EO)

z Jumper-selectable output range setting for respective channels

1. -/+10 [V]

2. 0 to 10 [V]

3. 0 to 5 [V]

z Equipped with a photo-coupler that assures complete insulation between the analog and digital circuits, but not

between output channels

z Conversion rate: 10µs per channel

z Capable of batch forced step-down of the output voltage of all channels to 0V at power-up and reset

z Equipped with a double layer buffer in each channel, allowing the output voltage of all channels to be

refreshed simultaneously

z Operates on single 5V power supplied from the VME bus

z RoHS compliant

3. Specifications

Analog output

Number of channels: 16 channels

Output range: -/+10 [V]

0 to 10 [V]

0 to 5 [V]

Output current: 5 [mA](max.)

D/A conversion

Resolution: 12 bits

Output mode: Binary

-/+10V range 0H to FFFH (-10.24[V] to +10.24[V])

0 to 10V range 0H to FFFH (0[V] to +10.24[V])

0 to 5V range 0H to FFFH (0[V] to +5.12[V])

Overall accuracy: -/+0.3[%](F.S.)

Conversion rate: 10µs per channel

Temperature characteristics: -/+50ppm/deg.C(typ.) -/+100ppm/deg.C(max.)

D/A converter: Analog Devices AD7568BSZ (x 2)

Bus interface

Bus standard: VME bus Revision C.3

Data width: 16 bits/8 bits [D16, D8 (EO)]

(Writing to the data register: 16-bit data only)

Address width: 16 bits [A16]

Accessible by AM codes 29H and 2DH

Address space occupied: 64 bytes of VME bus A16 address spaces C000H to FFFFH

Power requirements

Power supply voltage: 5V -/+5% (supplied from the VME bus)

Current consumption: 0.76[A]

Environment specification

Operating temperature: 0 to 50 deg.C

Operating humidity: 10 to 90% RH (no condensation)

Storage temperature: -10 to 70 deg.C

Storage humidity: 0 to 90% RH (no condensation)

Board size

172mm x 262mm x 20mm (typ.) (protrusions not included)

Double height, single slot

Weight

265[g]

4. Configuration

[Figure 4.1] Block Diagram of Advme2702

A1 15

AM0

DS0

DS1

IACK

LWORD

WRITE

DTACK

BERR

SYSRESET

SYSCLK

VME bus

LCA

VME bus I/F

Base address 

configuration SW

Address 

decode

Control

circuit

Photo-coupler

12-bit 

D/A 

converter

AMP

CN1

Output connector

Reference 

voltage

2.5V

5. Setting and Adjustment

5.1 Switches, jumpers, volume, and connectors

Figure 5.1 shows the layout of switches, jumpers, volume, and connectors.

DSW1, DSW2 ......................... Used to specify a base address.

JP1 to 16 ................................. Used to specify an output range. (ch0 to 15)

VR1 ......................................... Used to regulate the reference voltage.

TPG2 ....................................... Analog GND

TP3 .......................................... Reference voltage

CN1 ......................................... Analog output connector

P1 ............................................ VME bus connector

[Figure 5.1] Layout of Switches, Jumpers, Volume, and Connectors

JP16

16



JP15

16



JP14

16



JP13

16



JP12

16



JP11

16



JP10

16



JP9

16



JP8

16



JP7

16



JP6

16



JP5

16



JP4

16



JP3

16



JP2

16



JP1

16



VR1

DSW1

CN1

DSW2

TPG2

[AGND]

TP3

[VRef]

5.2 Base address setting (DSW1, 2)

The Advme2702 takes up a 64-byte (40H) consecutive area in the VME bus A16 address spaces C000H to

FFFFH.

The starting address of the required area is referred to as a base address (BASE).

The base address is assigned with the DIP rotary switches, DSWs 1 and 2.

DSW2 is used to assign addresses corresponding to A10 to A13 address buses, and DSW1 to assign addresses

corresponding to A6 to A9 address buses.

The following equation shows a correspondence between the base address (BASE) and DSW1 (DSW2).

Base address (BASE) = DSW2 set point x 400H + DSW1 set point x 40H + C000H

When DSW2 is set to 5 and DSW1 is set to 8:

BASE = 5 x 400H + 8 x 40H + C000H

= D600H

5.3 Analog output voltage range setting (JP1 to 16)

The Advme2702 is capable of setting the output voltage range for each channel.

Jumpers are installed in respective channels. The output voltage range is set for each channel by the same procedure.

5.4 Analog output control (VR1)

The Advme2702 is capable of common gain control of respective channels in the following range.

Gain -/+ 2.5% (in full-scale)

5.5 Others

The Advme2702 requires individual VME bus signal connection of BG*IN and BG*OUT on account of no

function of bus arbitration. (Asterisk (*) assigned with 0 to 3)

Because an interrupt is not used, the Advme2702 is connected to IACKIN and IACKOUT.

Setting range JP1 to 16

0 to 5 [V]

0 to 10 [V]

-/+10 [V]

symbolizes an area that is 

short-circuited with a jumper plug.

6. Register Mapping

The base addresses (BASE) are assigned to the Advme2702 registers as shown below.

* The data registers permit no byte-access.

Address Write Read

BASE + 0H － Board ID

BASE + 02～0EH －－

BASE + 10H Mode register Status

BASE + 12H Enable register －

BASE + 14H Update register －

BASE + 16H Channel register －

BASE + 18H Data register －

BASE + 20H～3EH －－

Address Write Read

BASE + 0H －－

BASE + 1H － Board ID

BASE + 02～0FH －－

BASE + 10H －－

BASE + 11H Mode register Status

BASE + 12H －－

BASE + 13H Enable register －

BASE + 14H －－

BASE + 15H Update register －

BASE + 16H －－

BASE + 17H Channel register －

BASE + 18H －－

BASE + 19H －－

BASE + 20H～3FH －－

1. Board ID register (read)

This register permits board identification with respect to its readout numbers.

The board ID for the Advme2702 is 45H.

Upper 8 bits are undefined at 16-bit access. (FFH reading enabled in normal times)

2. Mode register (write)

This register is used to determine to perform batch output update of all the channels or individual output update of

respective channels.

A channel to be output is stored in the channel register and the bit is written to the data register if the mode register

is set at ‘0.’

The writing of the update register takes place with the channel to be output stored in the channel register and the

bit written to the data register, if set at ‘1.’

D15 D8 D7 D0

45H

Not used

16-bit access

BASE + 0H

D7 D0

8-bit access

BASE + 1H

D15 D1 D0

Mode

Not used (arbitrary data)

16-bit access

BASE + 10H

D7 D1

8-bit access

BASE + 11H

0: Individual update

1: Batch update

Mode

Not used (arbitrary data)

0: Individual update

1: Batch update

3. Status register (read)

This register permits checking the board internal state with respect to its readout numbers.

D15 D3 D2

Mode (mode register)

Not used (arbitrary data)

16-bit access

BASE + 10H

D7 D3

8-bit access

BASE + 11H

0: Individual update mode

1: Batch update mode

Enable (enable register)

0: Forced zero output

1: Data output

Busy

0: Standby

1: Busy

Mode (mode register)

Not used (arbitrary data)

0: Individual update mode

1: Batch update mode

Enable (enable register)

0: Forced zero output

1: Data output

Busy

0: Standby

1: Busy

4. Enable register (write)

This register is used to control the D/A converter’s output of all channels.

The D/A voltage output of all channels is produced when this register set at ‘0’ and is forced to become 0V when

set at ‘0.’ This register is automatically reset to ‘0’ upon power-on and reset.

5. Update register (write)

This register permits the D/A converter’s output of all channels to be updated, irrespective of data content, upon

writing.

It is not necessary to control this register if the mode register is set at ‘0.’

D15 D1 D0

All data output

Not used (arbitrary data)

16-bit access

BASE + 12H

D7 D1

8-bit access

BASE + 13H

0 : 0V

1: D/A output

All data output

Not used (arbitrary data)

0 : 0V

1: D/A output

D15 D0

Arbitrary data

16-bit access

BASE + 14H

D7 D0

8-bit access

BASE + 15H

D15 D4 D3 D2 D1 D0

Channel number

Not used

16-bit access

BASE + 16H

D7 D4

8-bit access

BASE + 17H

Set at 0 to 15.

D3 D2 D1 D0

Channel number

Not used

Set at 0 to 15.

D15 D13 D12 D0

D/A conversion data

Not used

16-bit access

BASE + 18H

6. Channel register (write)

This register permits the allocation of a channel into which data is written, upon writing.

7. Data register (write)

This register permits D/A conversion data specification to an allocated channel, upon writing

This register is available only at 16-bit access.

7. Connector

7.1 Analog output connector

The Advme2702 is equipped with an output connector mounted with 34-pin MIL headers.

Product name: 3M 3431-5002LCPL

The external cable is designed to adopt connectors listed below:

3M 7934-B500SC (connector)

3M 3448-7934 (strain relief)

7.2 Output signal

The following table shows the output connector pin-to-signal relationship.

Output Connector CN1 Signals



Pin No. Signal Pin No. Signal

1AO02GND

3AO14GND

5AO26GND

7AO38GND

9AO410GND

11 AO5 12 GND

13 AO6 14 GND

15 AO7 16 GND

17 AO8 18 GND

19 AO9 20 GND

21 AO10 22 GND

23 AO11 24 GND

25 AO12 26 GND

27 AO13 28 GND

29 AO14 30 GND

31 AO15 32 GND

33 N.C. 34 N.C.

8. Register Control

8.1 Programming

This section describes the procedure for data writing to the registers that must be followed in outputting arbitrary

voltage to any given output channel.

z Data writing by channel

Use the following procedure to write data when individual update mode is entered.

1. Read the status register and make sure that the board is not in busy state.

2. Write the number of a channel into which data is written to the channel register.

3. Write data to be programmed into the D/A converter to the data register.

z Output process upon power-up

The output voltage of all channels is forcibly stepped down to 0V at power-up. Voltage output becomes

enabled after the D/A converters of all channels are assigned with an arbitrary initial value.

1. Establish the all channel batch mode.

2. Assign the specified initial values to the D/A converters of all channels in sequence.

(See “Data writing by channel”)

3. Write an arbitrary value to the update register.

4. Write ‘1’ to the enable register.

5. Switch the current mode to arbitrary mode.

8.2 Input code and output voltage

The following table shows the relationship between the input code and D/A converted output voltage.

Data

Output

range

000H 7D0H FA0H FFFH [hexadecimal]

(0) (2000) (4000) (4095) [decimal]

0～10[V] 0.00[V] +5.00[V] +10.00[V] +10.24[V]

0～5[V] 0.00[V] +2.50[V] +5.00[V] +5.12[V]

Output

range

000H 030H 800H FD0H FFFH [hexadecimal]

(0) (48) (2048) (4048) (4095) [decimal]

-/+10[V] -10.24[V] -10.00[V] 0.00[V] +10.00[V] +10.24[V]

5mV per LSB when x [mV] is outputted to the channel in the -/+10V range:

Write a value, y, which is derived from the following equation.

y = x/5 + 2048

2.5mV per LSB when x [mV] is outputted to the channel in the 0 to 10V range:

Write a value, y, which is derived from the following equation.

y = 2x/5

1.25mV per LSB when x [mV] is outputted to the channel in the 0 to 5V range:

Write a value, y, which is derived from the following equation.

y = 4x/5

9. Simple Sample Program

This chapter describes Advme2702 application programming with an easy-to-follow sample despite the description of

the procedure for register access in programming in Chapter 8. Utilizing the standard I/O functions including printf()

and scanf(), the Advme2702 may cause some built-in systems to emulate these functions.

The sample program source codes are listed below. This sample program is a complete program, and operation check in

the program is ensured by VxWorks. The sample program is configured assuming that all channels are set at “-/+10V.”

9.1 List of sample program codes

#define BOARD_ID_REG 0x01

#define MODE_REG 0x10

#define STATUS_REG 0x10

#define ENABLE_REG 0x12

#define UPDATE_REG 0x14

#define CHANNEL_REG 0x16

#define DATA_REG 0x18

#define BASE_ADDRESS 0xffffc000

void set_mode_2702(unsigned int base /* base address */

,int update_mode /* 0 : analog output channel is updated

when the digital value is written

to the data register immediately

1 : all anlaog output channels are

updated when an arbitrary data is

written to the update register

)

{

*(unsigned short *)(base + MODE_REG) = update_mode;

}

void enable_2702(unsigned int base /* base address */)

{

*(unsigned short *)(base + ENABLE_REG) = 0x01;

}

void disable_2702(unsigned int base /* base address */)

{

*(unsigned short *)(base + ENABLE_REG) = 0x00;

}

void AO_single_2702(unsigned int base /* base address */

,int channel /* the analog output channel number */

,int value /* the digital value to be written to

the analog output channel */

)

{

while( ( *(unsigned short *)(base + STATUS_REG) & 0x01 ) != 0x00 );

*(unsigned short *)(base + CHANNEL_REG) = channel;

*(unsigned short *)(base + DATA_REG) = value;

}

void AO_multi_2702(unsigned int base /* base address */

,int value[] /* an array of the digital values that

is written to the analog output

channels */

)

{

unsigned short i;

for(i=0;i<16;i++)

{ while( ( *(unsigned short *)(base + STATUS_REG) & 0x01 ) != 0x00 );

*(unsigned short *)(base + CHANNEL_REG) = i;

*(unsigned short *)(base + DATA_REG) = value[i];

}

while( ( *(unsigned short *)(base + STATUS_REG) & 0x01 ) != 0x00 );

*(unsigned short *)(base + UPDATE_REG) = 0x00;

}

#define VM10P10 0 /* -/+10V */

#define V0P10 1 /* 0-10V */

#define V0P5 2 /* 0-5V */

int UnitToValue(int range /* select the analog output range */

,int unit /* value of voltage at mV */

)

{

int value;

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Eurotech Advme2702 Owner's manual

Eurotech Advme2702 Owner's manual

Eurotech Advme2702 Owner's manual

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