Eaton ELCM Series User manual

Eaton Logic Controller

ELCM Digital Input Output Modules

INSTRUCTION SHEET

[Applicable Digital I/O modules]

ELCM-EX08NNDN

ELCM-EX08NNDR

ELCM-EX08NNDT

ELCM-EX08NNNR

ELCM-EX08NNNT

ELCM-EX16NNDN

ELCM-EX16NNDR

ELCM-EX16NNDT

ELCM-EX16NNNR

ELCM-EX16NNNT

IL05004004E

002-1301120-02

2010-12-10

5011699101-MEX1

- 1 -

This instruction sheet provides only information on the electrical

specification, general functions, installation and wiring. It should be read

and understood before attempting to install or use the modules.

Further information can be found in the ELC series Programming

Manual.

These digital I/O modules are part of an OPEN TYPE control system.

The ELCM should be kept in an enclosure away from airborne dust,

humidity, electric shock risk and vibration. Your application may require

that the enclosure be locked to prevent non-maintenance staff from

operating the controller (e.g. key or specific tools that are required for

opening the enclosure) in cases where danger and damage to

equipment or personnel may occur.

Do not connectAC power to any of the DC input / output terminals, as it

will damage the ELCM. Check all wiring prior to power up.

Ensure that the ground terminal is correctly grounded in order to

prevent electromagnetic interference.

This manual is subject to change without notice.

Product Profile & Dimension

ELCM-EX16NNDR

8D I / 8DO R

Removable

I/O terminal

Panel mounting hole

DIN rail mounting

slot (35mm)

POWER indicators

I/O point indicators

I/O module

connection port

I/O terminal No.

Output type

Module Name

I/O module clip

I/O point indicators

I/O module

connection port

61.5

105.82

110

- 2 -

61.5

110

106

Unit: mm

ELCM-

EX08

NNDN

EX08

NND

EX08

NNN

EX16

NNDN

EX16

NND

EX16

NNN

Type





Digital Input/Output Modules

ELCM-

Power input

Input

Output

Points

Type

Points

Type

EX08NNDN

Supplied by bus

power from

controller

24VDC

Sink or Source

EX08NNDR

Relay

EX08NNDT

Transistor - sink

EX08NNNR

Relay

EX08NNNT

Transistor - sink

EX16NNDN

EX16NNDR

24VDC

Relay

EX16NNDT

Transistor - sink

EX16NNNR

Relay

EX16NNNT

Transistor - sink

Electrical Specifications

ELCM-

Item

EX08

NNDN

EX08

NND

EX08

NNN

EX16

NNDN

EX16

NND

EX16

NNN

Power supply

voltage

Supplied by bus power

from controller

24VDC

(-15% ~ 10%)

Power

consumption

1.2W

R:1.2W

T:1W

R:1.2W

T:0.5W

2.4W

R:2.4W

T:1.6W

R:2.4W

T:1W

DC24V current

output

- 3 -

ELCM-

Item

EX08

NNDN

EX08

NND

EX08

NNN

EX16

NNDN

EX16

NND

EX16

NNN

Power supply

protection

Power reverse

protection

Voltage

withstand

1,350VAC (Primary-secondary)

1,350VAC (Primary-PE)

500VDC (Secondary-PE)

Insulation

resistance

> 5MΩ at 500VDC (between all I/O points and ground)

Noise immunity

ESD: 8KV Air Discharge

EFT: Power Line: 2KV, Digital I/O: 1KV

RS: 26MHz ~ 1GHz, 10V/m

Environment

Operation: 0°C~55°C (temperature), 50~95% (humidity), pollution

degree2

Storage: -25°C~70°C (temperature), 5~95% (humidity)

Vib. / shock

resistance

International standards: IEC61131-2, IEC 68-2-6 (TEST Fc)/

IEC61131-2 & IEC 68-2-27 (TEST Ea)

Weight (g)

105

R: 120

T: 107

R: 135

T: 109

148

R: 179

T: 149

R: 209

T: 143

I/O Terminal Specifications

Input point electrical specifications

Input point type

Digital input

Input type

DC (SINK or SOURCE)

Input current

24VDC, 5mA

Active level

Off → On

>15VDC

On → Off

< 5VDC

Response

time

Off → On

10ms ±10%

On → Off

15ms ±10%

Input impedance

4.7KΩ

Output point electrical specifications

Output point type

Relay-R

Transistor-T

Voltage specification

Below 250VAC, 30VDC

5~30VDC #2

Maximum

load

Resistive

2A/1 point (5A/COM)

0.5A/1 point (4A/COM)

Inductive

12W (24VDC)

Lamp

20WDC/100WAC

2W (24VDC)

Switching frequency #1

≦1Hz

≦1kHz

Response

time

Off → On

Approx .10ms

50μs

On → Off

200μs

#1: The actual frequency will be affected by the scan period.

#2: UP, ZP must work with external auxiliary power supply 24VDC (-15% ~ +20%), rated

consumption approx. 1mA/point.

- 4 -

#3: See life curves (below)

Contact Current(A)

0.5

0.1 0.2

0.3 0.7 1 2

200

300

500

100

1,000

2,000

3,000

Operation(X10 )

120VAC Resistive

30VDC Inductive(t=7ms)

240VAC Inductive(cos 0.4)ψ=

120VAC Inductive(cos =0.4)ψ

30VDC

Inductive

(t=40ms)

Installation

Please install the ELCM in an enclosure

with sufficient space around it to allow heat

dissipation, as shown in the figure.

DIN Rail Mounting: When mounting the

ELCM to 35mm DIN rail, be sure to use

the retaining clip to stop any side-to-side

movement of the ELCM and reduce the

chance of wires becoming loose. The retaining clip is at the bottom of the

ELCM. To secure the ELCM to DIN rail, pull down the clip, place it onto

the rail and gently push it up. To remove the ELCM, pull the retaining clip

down with a flat screwdriver and gently remove the ELCM from DIN rail.

Wiring

1. Use 12-28 AWG single-core bare wire or multi-core (stranded) wire for

the I/O wiring. The ELCM terminal screws should be tightened to 4.75

kg-cm (4.12 in-lbs) and please use 60/75°C copper conductor only.

2. DO NOT wire empty terminals. DO NOT place input signal wire and

output power wire in the same wiring circuit.

3. DO NOT drop tiny metallic conductor into the ELCM while installing the

controller or other equipment.

Please attach the dustproof sticker to the ELCM before installing the

controller or other equipment to prevent conductive objects from

dropping in.

Tear off the sticker before running the ELCM to ensure proper

ventilation.

I/O Point Serial Sequence

40-point ELCM-PH series controllers start their input expansion addressing

from X30 and output expansion addressing from Y20. Other modules start

their input expansion addressing from X20 and output expansion

addressing from Y20. The expansion I/O addresses are defined in groups

of 8. Modules with fewer than 8 I/O points will be regarded as 8. See the

- 5 -

example below.

1. When using controllers with fewer than 32 points, the first expansion

input address will start at X20. The first expansion output address will

start at Y20. Please refer to the following example for more details:

System

application

example 1:

MPU

EXT1

EXT2

EXT3

System

Configuration

ELCM

Input

points

Output

points

Input

number

Output

number

Power

consumption

Controller

PH32NNDR

X0~X17

Y0~Y17

30VA

1st exp. module

EX08NNDR

X20~X23

Y20~Y23

1.2W

2nd exp. module

EX16NNDR

X30~X37

Y30~Y37

2.4W

3rd exp. module

EX16NNNR

Y40~Y57

2.4W

X24 to X27 are not used in ELCM-EX08NNDR.

The 1st digital I/O module ELCM-EX08NNDR only has 4 inputs and 4

outputs but is addressed as an 8 input / 8 output module. The highest

4 input addresses and highest 4 output addresses have no physical

I/O points associated with them. For the 2nd digital I/O module

ELCM-EX16NNDR, the input points start from X30, and output points

start from Y30.

Output current supplied from 24VDC on the controller is 500mA(12W).

Remaining applicable power: 12 - (1.2 + 2.4 + 2.4) = 6W

Power Supply

Please note the following when using ELCM-EX Digital Input and Digital

Output (DIDO) with the ELCM-PH/PA series controllers:

1. The AC power supply voltage range for ELCM-PH/PA series controllers

is 100 ~ 240VAC. Please connect the AC power supply to L and N

terminals and note that connecting 110VAC or 220VAC to +24V output

terminals or digital input terminals will damage the ELCM or its

expansion I/O.

2. The power supply for digital I/O points is 24VDC. Please make sure the

power supply polarity is correctly connected.

3. It is highly suggested that the DC power supplies for the controllers and

ELCM-EX DIDO switch ON and OFF at the same time.

4. Use 1.6mm wire (or larger) for grounding.

5. A power loss of less than 10ms will not affect the operation of the ELCM.

However, a power loss that is too long, or a sustained drop of power

supply voltage will stop the running of the ELCM.All outputs will turn

“OFF”. When proper power is restored, the ELCM will resume normal

operation. (Please keep this in mind when you use latched auxiliary

relays and registers in your ELCM program.)

Safety Wiring

In ELCM control systems, many devices are controlled at the same time

- 6 -

and actions of any device could influence each other, i.e. breakdown of the

entire auto-control system. Therefore, we suggest you wire a protection

circuit at the power supply input terminal. See the figure below.

○

AC Power supply: 100 ~ 240VAC, 50/60Hz

○

Breaker

○

Emergency stop: This button may be used to cut off the system power supply

when accidental emergency takes place.

○

Power indicator

○

AC power supply load

○

Power supply circuit protection fuse (2A)

○

ELCM (main processing unit)

○

DC Power supply Output: 24VDC, 500mA

○

Grounding resistance: < 100Ω

○

DC Power supply: 24VDC

○

Digital I/O module (DC supply)

○

Digital I/O module (AC supply)

○

Analog I/O module (DC supply)

I/O Point Wiring

There are 2 types of DC inputs, SINK and SOURCE. (Below is an example.

For detailed wiring configuration, please refer to specifications of each

module.)

DC Signal IN –SINK mode

Input point loop equivalent circuit

DC Signal IN –SOURCE mode

Input point loop equivalent circuit

24G

+24V

S/S

+24V

24G

S/S

- 7 -

Relay (R) output circuit wiring

○

DC power supply

○

Emergency stop: Used an external switch

○

Fuse: Use 5 ~ 10Afuse at the shared terminal of output contacts to protect the

output circuit

○

Transient voltage suppressor: To extend the life span of relay contacts.

1. Diode suppression of DC load: Used for smaller loads.

2. Diode + Zener suppression of DC load: Used for larger loads and for rapidly

switching applications.

○

Incandescent light (resistive load)

○

AC power supply

○

Mutually exclusive output: For example, Y4 and Y5 control the forward running

and reverse running of the motor, forming an interlock for the external circuit,

together with the ELCM internal program, to ensure safe protection in case of any

unexpected errors.

○

Neon indicator

- 8 -

○

Suppressor: To reduce the interference on AC load.

Transistor (T) output circuit wiring

○

DC power supply

○

Emergency stop

○

Circuit protection fuse

○

The output of the transistor is “open collector”.

1. Diode suppression: Used for smaller loads.

2. Diode + Zener suppression: Used for larger loads and for rapidly switching

application.

○

Mutually exclusive output: For example, Y3 and Y4 control the forward running

and reverse running of the motor, forming an interlock for the external circuit,

together with the ELCM internal program, to ensure safe protection in case of

any unexpected errors.

- 9 -

I/O Terminal Layouts

ELCM-EX08NNDN

NCX3

X7X6

ELCM-EX08NNDN (8DI)

S/S

ELCM-EX08NNNR/T

NCY3

Y7Y6

ELCM-EX08NNNR (8DO)

Y3Y2

Y6Y5

ELCM-EX08NNNT (8DO)

ELCM-EX08NNDR/T

Y3Y2

ELCM-EX08NNDR (4DI/4DO)

S/S

Y3Y2Y1

ELCM-EX08NNDT (4DI/4DO)

S/S

ELCM-EX16NNDN

X4X3X2X1

X14

X13

X12X11

X10

S/S

ELCM-EX16NNDN (16DI)

S/S NCX7X6X5

NCNCNCX17

X16X15

ELCM-EX16NNNR/T

C1Y3Y2Y1

Y11Y10C2

0V24V

ELCM-EX16NNNR (16DO)

C0 Y7Y6Y5Y4

Y17Y16Y15Y14Y13Y12

Y3Y2Y1Y0

Y13Y12Y11

ZP0

ZP1UP1

ELCM-EX16NNNT (16DO)

UP0 Y7Y6Y5Y4

NCY17Y16Y15Y14Y10

ELCM-EX16NNDR/T

X4X3X2X1

Y1Y0C0

0V24V

ELCM-EX16NNDR (8DI/8DO)

S/S NC

X7X6X5

Y7Y6Y5Y4Y3Y2

X4X3X2X1

Y3Y2Y1

ZPUP

ELCM-EX16NNDT (8DI/8DO)

S/S NCX7X6X5

NCY0 Y7Y6Y5Y4

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