Omron CQM1-SRM21-V1 Manuale utente

CompoBus/S Master Module CQM1-SRM21-V1

Wire-saving CompoBus/S Remote

I/O for Compact CQM1 Controllers

1128 remote I/O points maximum; also

canbesetfor32or64I/Opoints

1Master connects to a maximum of 16 or

32 slaves

1Fast communications of 0.5 ms max. at

standard distance of 100 m (750 kbps)

1Extended distance communications to

500 m (93.75 kbps)

1Supports analog input and output slave

blocks

1Flat, 4-conductor cable or Belden #9409

twisted pair cable connects master to

terminal blocks

èò

Ordering Information

3COMPOBUS/S MASTER MODULE

Compatible Omron controller Maximum number of I/O points Part number

CQM1-Series PLCs 128 points (64 inputs/64 outputs) CQM1-SRM21-V1

3ACCESSORIES

Item Specification Part number

Communications cable Flat cable, 100 m length, 4 conductor (0.75 mm2each) SCA1-4F10

Branch connector Sold in packs of 10 SCN1-TH4

Extension connector Sold in packs of 10 SCN1-TH4E

Connector terminator Sold in packs of 10 SCN1-TH4T

Terminal block terminator Sold in packs of 10 SRS1-T

CQM1-SRM21-V1 CQM1-SRM21-V1

Specifications

3COMMUNICATIONS SPECIFICATIONS

Communications method CompoBus/S protocol

Coding method Manchester coding method

Connection method Multi-drop method and T-branch method (See Note)

Communications baud rate 750,000 bps, 93,750 bps (selected by DIP switch)

Communications

High-speed

0.5 ms with 8 Slaves for inputs and 8 Slaves for outputs

cyc

me commun

cat

ons

mode 0.8 ms with 16 Slaves for inputs and 16 Slaves for outputs

Long-distance

4.0 ms with 8 Slaves for inputs and 8 Slaves for outputs

commun

cat

ons

mode 6.0 ms with 16 Slaves for inputs and 16 Slaves for outputs

Communications cable 2-conductor Belden #9409 or VCTF cable (0.75 x 20)

Dedicated flat cable

Communications

distance High-speed

communications

mode

Belden #9409 or VCTF cable:

Main line length: 100 m(328.1 ft) max.

Branch line length: 3 m (9.84 ft) max.

Total branch line length: 50 m (164.0 ft) max.

Flat cable:

Main line length: 30 m (98.4 ft) max.

Branch line length: 3 m (9.84 ft) max.

Total branch line length: 30 m 98.4 ft) max.

(When flat cable is used to connect fewer than 16 Slaves, the main line can be up to

100 m (328.1 ft) long and the total branch line length can be up to 50 m (164.0 ft.)

Long-distance

communications

mode

Belden #9409 or VCTF cable:

Main line length: 500 m (1640.5 ft) max.

Branch line length: 6 m (19.69 ft) max.

Total branch line length: 120 m (393.7 ft) max.

Max. number of connecting nodes 32

Error control checks Manchester code check, frame length check, and parity check

Note: A terminator must be connected to the point in the system farthest from the Master.

3MODULE SPECIFICATIONS

Current consumption 180 mA max. at 5 VDC

Number of I/O points 128 points (64 inputs/64 outputs), 64 points (32 inputs/32 outputs),

32 points (16 inputs/16 outputs) (switchable)

Number of occupied words 128 points: 4 input words/4 output words

64 points: 2 input words/2 output words

32 points: 1 input word/1 output word

PLC 128 points: CQM1-CPU41-EV1/CPU42-EV1/CPU43-EV1/CPU44-EV1

64 points: CQM1-CPU11-E/CPU21-E/CPU41-EV1/CPU42-EV1/CPU43-EV1/CPU44-EV1

32 points: CQM1-CPU11-E/CPU21-E/CPU41-EV1/CPU42-EV1/CPU43-EV1/CPU44-EV1

Number of points per node number 4/8 points (switchable)

Max. number of slaves per master 32 (4 points per node number)

Status data Alarm terminal output

Weight 200 g max.

Approved standards UL 508 (E95399), CSA C22.2 No. 142 (LR51460)

CQM1-SRM21-V1 CQM1-SRM21-V1

3ALARM OUTPUT SPECIFICATIONS

Maximum switching capacity 2 A at 24 VDC

Minimum switching capacity 10 mA at 5 VDC

Relay G6D-1A

Minimum ON time 100 ms

Circuit configuration

2 A at 24 VDC max.

Internal

circuit

CQM1--SRM21--V1

3RATINGS

The ratings of the Unit are the same as those for the CQM1.

Nomenclature

Indicators

Indicates the operating status of the Master Module and

the status of communications with the Slaves.

DIP Switch

These pins have the following functions:

Pins 1 and 2: PLC word allocation setting

Pin 3: Number of points setting

Pin 4: Baud rate setting

Pins 5 to 6: Reserved (always OFF)

Alarm Output Terminals

These terminals are shorted when an error occurs.

Connect to a warning device.

Communications Terminals

Connect the Slaves’ transmission cable to these

terminals.

Terminal block screws

These screws attach the terminal

block. The terminal block can be

removed when these screws are

loosened.

CQM1-SRM21-V1 CQM1-SRM21-V1

Dimensions

Unit: mm (inch)

3CQM1-SRM21-V1

Note: Refer to the

CQM1 Operation Manual

for details on the dimensions

when the Master Module is installed as part of the PLC’s integrated

backplane.

110

(4.33)

32 (1.26) 107 (4.21)

Precautions

Refer to the

CompoBus/S Operation Manual (W266)

before using the module.

Cat. No. GC RIO-1 04/00 Specifications subject to change without notice. Printed in U.S.A.

OMRON ELECTRONICS, INC.

OneEastCommerceDrive

Schaumburg, IL 60173

NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.

1-800-55-OMRON

OMRON CANADA, INC.

885 Milner Avenue

Scarborough, Ontario M1B 5V

416-286-6465

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