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Acromag 901MB Скачать руководство пользователя страница 26

 BusWorks

 Model 903MB/902MB/901MB Network I/O Module User’s Manual                                        Digital I/O 

___________________________________________________________________________________________ 
 

 - 26 - 

5V TTL LOGIC - INPUT CAN BE PULLED
UP INTERNALLY OR EXTERNALLY

+5V

NOTE 1:  THIS GROUND CONNECTION IS RECOMMENDED FOR BEST
RESULTS.  IF SENSORS ARE INHERENTLY CONNECTED TO GROUND,
USE CAUTION AND AVOID MAKING ADDITIONAL GROUND CONNECTIONS
WHICH COULD GENERATE GROUND LOOPS AND MEASUREMENT ERROR.

NOTE 2:  RETURNS SHOULD BE CONNECTED TO EARTH GROUND
AT THE SAME POINT TO AVOID CIRCULATING GROUND CURRENTS.

+5V

RTN

INP

RTN

INP

NOTE 1

RTN

INP

DIGITAL I/O
SHARES RETURN

CH 2

CH 1

EXC1

TB1

CH 0

RTN

CH 3

WARNING:  FOR COMPLIANCE TO APPLICABLE SAFETY AND PERFORMANCE
STANDARDS, THE USE OF SHIELDED CABLE IS RECOMMENDED AS SHOWN.
ADDITIONALLY, THE APPLICATION OF EARTH GROUND MUST BE IN PLACE AS
SHOWN IN THIS DRAWING.  FAILURE TO ADHERE TO SOUND WIRING AND
GROUNDING PRACTICES MAY COMPROMISE SAFETY AND PERFORMANCE.
 
SAFETY GUIDELINES MAY REQUIRE THAT THIS DEVICE BE HOUSED IN AN
APPROVED METAL ENCLOSURE OR SUB-SYSTEM, PARTICULARLY FOR
APPLICATIONS WITH VOLTAGES GREATER THAN OR EQUAL TO 75VDC/50VAC.

DIGITAL OUTPUT CONNECTIONS

POSSIBLE VARIATIONS - CURRENT SINKING DC APPLICATIONS ONLY

DIGITAL INPUT CONNECTIONS

0-35V

0-35V

B

V

V

A

D

FOR DC-POWERED INTERPOSING RELAY
CONNECTIONS SEE DRAWING 4501-814

PAGE 1 OF 4

MODEL 903MB-0900

ELECTRICAL CONNECTIONS

0-V

R

L

(+)

(-)

B

OUT3

OUT2

OUT1

OUT0

OUTPUTS RATED TO 35V/500mA DC

D

L

R

SHIELDED CABLE

IMPORTANT:  I/O CHANNELS INCLUDE SOCKETS
FOR INSTALLATION OF PULLUP RESISTOR SIPS
TO EXC TERMINAL.  A 5.6K RESISTOR SIP IS
INSTALLED FROM THE FACTORY.

TB1

EXC1

INTERNAL OUTPUT
PULLUPS ARE OPEN

CH 0

CH 1

CH 2

INTERNAL INPUT
PULLUPS ARE OPEN

EARTH GROUND
(SEE NOTE 2)

OPEN-DRAIN OUTPUTS
SHARE RETURN

RTN

CH 3

0

1

2

3

4

5

I/O LEDS (YELLOW)

STATUS LED FLASHES
RAPIDLY UPON
WATCHDOG TIMEOUT

STATUS LED FLASHES
IN DEFAULT MODE

PUSH FOR DEFAULT MODE

DFT

9

8

7

6

ON WHEN  OUTPUT
CONDUCTING OR
WHEN INPUT LOW

D

IG

IT

A

L

 C

H

A

N

N

E

L

S

STATUS LED (YELLOW)

RUN/PWR LED (GREEN)

TB4

ST

RUN

Acromag

DEFAULT MODE SWITCH

SHIELDED CABLE

TB4

46 45 44

41

42

43

T

B

4

R

T

N

C

H

1

1

DIGITAL IN or OUT

Model 903MB-0900

E

X

C

3

C

H

 8

C

H

 9

C

H

1

0

DIGITAL IN or OUT

I/O CONNECTIONS

(SEE I/O CONNECTIONS AT LEFT)

NOTE:  RS485 PORT COMMON
SHOULD CONNECT TO EARTH
GROUND AT ONE POINT.

10 TO 36VDC

DC/AC
POWER

NON-POLARIZED

OR 24VAC

DIGITAL IN or OUT

PWR

C

O

M

C

O

M

RS485

36 35

32 31

D

D

33

34

N

E

T

W

O

R

K

 C

O

N

N

E

C

T

IO

N

S

(S

E

E

 D

R

A

W

IN

G

 4

5

0

1

-8

0

5

)

EARTH

TB3

GROUND

T

B

3

R

11

10

TB1

REMOVABLE
(PLUG-IN TYPE)

TERMINAL BLOCKS

TB1

SHIELDED CABLE

T

B

1

11 12

E

X

C

1

C

H

 0

C

H

 1

13 14

C

H

 2

15

C

H

 3

R

T

N

16

(SEE INPUT/OUTPUT CONNECTIONS AT LEFT)

I/O CONNECTIONS

4501-813A

TB2

T

B

2

21

C

H

 4

E

X

C

2

22

C

H

 6

C

H

 5

24

23

R

T

N

25 26

C

H

 7

 

 

(Active-LOW)

I/O

ON (1)

OFF (0)

EXC

RTN

 TVS
(48V)

TO OTHER 3
CHAN OF PORT

ON (1)

SIP RESISTOR
INSTALLED
IN SOCKET

OFF (0)

R

IMPORTANT:  I/O CIRCUIT WIRING MUST BE COMPLETE FOR PROPER OPERATION
OF UNIT.  I/O TERMINALS MUST NOT BE LEFT FLOATING.  YOU MUST CONNECT
EXCITATION AND/OR INSTALL PULLUPS FOR PROPER OPERATION.
 
REFER TO PULLUP RESISTOR LOCATION DRAWING 4501-811 TO INSTALL, 
REMOVE, OR REPLACE THE INTERNAL 5.6K PULLUPS.
 
IF YOUR APPLICATION DELIVERS POWER TO THE I/O TERMINAL RATHER
THAN THE EXCITATION TERMINAL, INTERNAL PULLUPS SHOULD BE REMOVED
TO AVOID COUPLING CURRENT INTO ADJACENT PORT CHANNELS. 

CH
LED

NOTE THAT LED REFLECTS GATE SIGNAL
FOR 902MB UNITS AND MAY NOT REFLECT
ACTUAL OUTPUT STATE IF OUTPUT IS
LEFT FLOATING OR EXCITATION CIRCUIT
IS NOT COMPLETE.

OFF (0)

ON (1)

(Active-LOW)

RTN

I/O

EXC

ELECTRICAL CONNECTIONS

PAGE 2 OF 4

MODEL 901MB-0900, 902MB-0900, 903MB-0900

SIMPLIFIED 901MB CHANNEL (Input Only)

SIMPLIFIED 902MB CHANNEL (Output Only)

5.6K

 TVS
(48V)

TO OTHER 3
CHAN OF PORT

SIP RESISTOR
INSTALLED
IN SOCKET

5.6K

+5V

100K

ON (1)

OFF (0)

R

CH
LED

ON (1)

(Active-LOW)

OFF (0)

RTN

I/O

EXC

5.6K
SIP RESISTOR
INSTALLED
IN SOCKET

TO OTHER 3
CHAN OF PORT

ON (1)

 TVS
(48V)

100K

OFF (0)

+5V

ON (1)

OFF (0)

R

CH
LED

SIMPLIFIED 903MB CHANNEL (Tandem Input/Output)

4501-813A

  

Содержание 901MB

Страница 1: ...t With Sinking Outputs And Active Low Inputs USER S MANUAL ACROMAG INCORPORATED 30765 South Wixom Road P O BOX 437 Wixom MI 48393 7037 U S A Tel 248 295 0880 Fax 248 624 9234 Copyright 2000 Acromag In...

Страница 2: ...ning any type of control or monitoring system This is especially important where economic property loss or human life is involved It is important that the user employ satisfactory overall system desig...

Страница 3: ...m with open drain outputs for convenient loopback monitoring of the output state High Speed Data Rates Supports half duplex RS485 baud rates up to 115K baud Key 903MB Module Features continued Conveni...

Страница 4: ...LE INSTALLATION This transmitter module is packaged in a general purpose plastic enclosure Use an auxiliary enclosure to protect the unit in unfavorable environments or vulnerable locations or to main...

Страница 5: ...ck wire insulation 1 4 inch on each lead before installing into the terminal block Since common mode voltages can exist on signal wiring adequate wire insulation should be used and proper wiring pract...

Страница 6: ...s not require advanced familiarity with the Modbus protocol REGISTER MAP Modbus registers are organized into the following reference types identified by the leading number of the reference address Ref...

Страница 7: ...bps Default 3 14400bps 4 19200bps 5 28800bps 6 38400bps 7 57600bps 8 76800bps 9 115200bps 40003 2 0002 Parity Default 0 None 0 None 1 or 2 stop bits 1 Odd Parity Checking 2 Even Parity Checking Model...

Страница 8: ...mapping mirroring to the Holding Register space The format of the registers are identical and you only need to offset your address by 43000 For example if you want to read Input Register 1 through the...

Страница 9: ...itional stop bit is normally transmitted to fill out the character frame for no parity Acromag units will accept one or two stop bits with no parity Modbus Addresses The master device addresses a spec...

Страница 10: ...s Example Response Field Name Example Value Hex Slave Address 247 F7 Function Code 1 01 Byte Count 2 02 Data Coils 7 0 170 AA Data Coils 11 08 10 0A Error Check LRC or CRC To summarize the status of c...

Страница 11: ...mmarize the contents of register 40001 two bytes is slave address 247 00F7H The contents of register 40002 two bytes is the baud rate setting 2 9600bps The contents of register 40003 is the parity set...

Страница 12: ...t No response is returned to broadcast queries from a master device Force Multiple Coils 15 902MB 903MB Models Only This command will simultaneously force a sequence of coils 0x reference addresses ei...

Страница 13: ...ta High Third Reg 0 00 Preset Data Low Third Reg 2 02 Error Check LRC or CRC Preset Multiple Registers Example Response Field Name Example Value Hex Slave Address 247 F7 Function Code 16 10 Starting R...

Страница 14: ...6 bit signed integer value representing an A D count a DAC count or a time value with a range of 32768 to 32767 Percentage A 16 bit signed integer value with resolution of 0 005 lsb 20000 is used to r...

Страница 15: ...nt a timeout error from occurring in the master 06 Slave Device Busy The slave is engaged in processing a long duration program command The master should retransmit the message later when the slave is...

Страница 16: ...tly loaded configuration file Use File Print Preview to view the current configuration or preview the print documentation Use File Print Setup to select a printer and font style Module Upload Configur...

Страница 17: ...g download Select from 1 to 247 Address 247 is reserved for Default Mode Use the Baud Rate scroll bar to select a new baud rate to be used by the module following download Select 2400 4800 9600 Defaul...

Страница 18: ...k monitoring of the output state The source leads of each port output channel are tied in common to the port return lead RTN The drain leads are pulled up to the port excitation terminal via resistor...

Страница 19: ...f each module Please refer to Acromag s Service Policy Bulletin or contact Acromag for complete details on how to obtain service parts and repair PRELIMINARY SERVICE PROCEDURE Before beginning repair...

Страница 20: ...only Observe proper polarity Inputs include transient suppression devices and series connected 100K resistors plus diode over voltage clamps to the internal 5V supply Sockets are provided for installa...

Страница 21: ...vision 2 Groups A B C D Consult Factory ENVIRONMENTAL SPECIFICATIONS Operating Temperature 25 C to 70 C 13 F to 158 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 95 non conde...

Страница 22: ...ect outside of Default Mode until a software or power on reset has occurred Watchdog Timer A hardware watchdog timer is built into the microcontroller that causes it to initiate a self reset if the co...

Страница 23: ...cation flag bits 2 0 of the Module Status register will be set if any of the port output channels have not been written to over the specified time period or if any of the port input channels have not...

Страница 24: ...EXC1 100K SIP RES SOCKET INPUT BUFFER CONTROLS MULTIPLEXER 5V 5V 5V MICRO 100K 100K 5V STATUS LED 100K 100K 100K 100K INTEGRATED OUTPUT CONTROLS 5V PWR LED DEFAULT MODE SWITCH PUSH FOR DEFAULT MODE U...

Страница 25: ...5 CH 3 42 CH 8 TB2 TB2 21 EXC2 23 CH 5 34 D 24 26 RTN 31 COM TB4 PWR D B A TB3 TB4 PWR D TB3 RS232 PORT COM 11 12 CJC 0 45 RTN OUT3 TB1 15 IN1 TB2 42 OUT1 TB3 COM TB2 23 26 25 IN2 IN3 IN3 INPUTS 2 3 3...

Страница 26: ...FLASHES IN DEFAULT MODE PUSH FOR DEFAULT MODE DFT 9 8 7 6 ON WHEN OUTPUT CONDUCTING OR WHEN INPUT LOW DIGITAL CHANNELS STATUS LED YELLOW RUN PWR LED GREEN TB4 ST RUN Acromag DEFAULT MODE SWITCH SHIELD...

Страница 27: ...OUTPUT IS OFF 0 FOR INPUT ONLY UNITS MODEL 901MB 0900 902MB 0900 903MB 0900 PAGE 3 OF 4 ELECTRICAL CONNECTIONS LED V 902MB 903MB OFF ON TO OTHER 3 CHAN OF PORT 100K I O RTN SOLID STATE RELAY SSR OR L...

Страница 28: ...CTED TO EARTH GROUND AT THE SAME POINT TO AVOID CIRCULATING GROUND CURRENTS NOTE 2 DIODE ADDED LOCAL TO INDUCTIVE LOAD TO SHUNT THE REVERSE EMF THAT IS GENERATED WHEN CURRENT THROUGH THE INDUCTOR RELA...

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