2884907 Datasheet 2884907 | P10-P12

IB IL SGI 2/P-PAC

7647_en_04 PHOENIX CONTACT 10

8 Terminal point assignment

Figure 3 Terminal point assignment

9 Electrical isolation

Figure 4 Electrical isolation of the individual function

areas

10 Installation instructions

High current flowing through potential jumpers U

and U

leads to a temperature rise in the potential jumpers and inside

the terminal. To keep the current flowing through the potential

jumpers of the analog terminals as low as possible, always

place the analog terminals after all the other terminals at the

end of the main circuit (for the sequence of the Inline termi-

nals: see also ILSYSINSTUM E user manual).

Terminal

point

Signal Assignment

Connector 1

1.1 / 2.1 +U

/GND

Jumper supply U

1.2 / 2.2 +U

/-U

Jumper voltage U

1.3 / 2.3 +U

/-U

Jumper difference U

1.4 / 2.4 FE Shield connection

Connector 2

1.1 / 2.1 Tx+ / Tx- RS-485 interface

1.2 / 2.2 GND

Reference potential of the

RS-485 interface

1.3 / 2.3 K

N/O contact for shunt cali-

bration of channel 1

1.4 / 2.4 FE Shield connection

Connector 3

1.1 / 2.1 +U

/GND

Jumper supply U

1.2 / 2.2 +U

/-U

Jumper voltage U

1.3 / 2.3 +U

/-U

Jumper difference U

1.4 / 2.4 FE Shield connection

Connector 4

1.1 / 2.1 - Not used

1.2 / 2.2 - Not used

1.3 / 2.3 K

N/O contact for shunt cali-

bration of channel 2

1.4 / 2.4 FE Shield connection

1.1

1.2

1.3

1.4

2.1

2.2

2.3

2.4

1.1

1.2

1.3

1.4

2.1

2.2

2.3

2.4

No definition is available for the designations of

sensor cables. For this reason, the designa-

tions used in data sheets may deviate from

those used by sensor manufacturers.

Examples:

Bridge voltage U

= sense input U

Bridge difference U

= signal or output

N/O contact K

–

N/O contact K

–

N/O contact

Ka–Kb

Analog

inputs

Jumper

supply

Electrical isolation

between area

A and B

RS-485

Local bus (OUT)

U(7.5 VDC)

U (24 VDC)

ANA

RS–485

Analog

I/O

Logic area

(microprocessor,

protocol chip,

bus interface)

Local bus (IN)

U(7.5 VDC)

U (24 VDC)

ANA

FE potential

IB IL SGI 2/P-PAC

7647_en_04 PHOENIX CONTACT 11

11 Connection notes

Connecting the strain gauges

Connecting the shield

Unused channels

Figure 5 Jumpering the terminal points of unused chan-

nels

Connect the strain gauges using shielded twist-

ed pair cables.

Only connect the shield at one point, preferably

at the terminal. If the shield is securely connect-

ed to the sensor, insulate the shield on the ter-

minal side.

If a channel (connector1 or connector3) is not

used, connect the following terminal points on

this connector with each other: 1.1, 1.2 and 1.3

as well as 2.1, 2.2 and 2.3.

1.1

1.2

1.3

1.4

2.1

2.2

2.3

2.4

IB IL SGI 2/P-PAC

7647_en_04 PHOENIX CONTACT 12

12 Notes on using the terminal block in

potentially explosive areas

Approval according to ECdirective 94/9/EC

 II 3 G Ex nA IIC T4 Gc X

Installation notes

1. This Inline terminal is a category3 device and is suitable

for installation in the potentially explosive areas of

zone2.

The device meets the requirements of EN60079-0:2009

and EN60079-15:2010.

2. The Inline terminal must only be installed, operated, and

maintained by qualified personnel.

3. Please follow the installation instructions given in the

ILSYSINSTUME user manual and the package slip.

4. When installing and operating the device, the applicable

safety directives (including national safety directives), ac-

cident prevention regulations, as well as general techni-

cal regulations, must be observed.

5. Please refer to the corresponding documentation (user

manual, data sheet, package slip) and the certificates

(declaration of conformity and other approvals, if applica-

ble) for safety-related data.

6. Access to the circuits inside the Inline terminal is not per-

mitted. Do not repair the Inline terminal by yourself but re-

place it with a terminal of the same type.

Repairs may only be performed by the manufacturer. The

manufacturer is not liable for damage resulting from non-

compliance.

7. The IP20 degree of protection (EN 60529) of the device

is intended for a clean and dry environment.

8. Do not subject the Inline terminal to mechanical strain

and/or thermal loads, which exceed the limits specified in

the product documentation.

9. The Inline terminal has not been designed for use in po-

tentially dust-explosive atmospheres.

Installation in zone2

1. Observe the specified conditions for use in potentially ex-

plosive areas.

2. Install the device in a suitable approved housing (with at

least IP54 degree of protection) that meets the require-

ments of EN 60079-15. Observe the requirements of

EN60079-14.

3. In potentially explosive areas, the Inline terminal may only

be snapped on or off and cables may only be connected

when the power is switched off.

4. In zone2, only connect devices to the supply and signal

circuits that are suitable for operation in potentially explo-

sive areas of zone2 and the conditions at the installation

location.

Restrictions/limit values

1. Only Inline terminals that are approved for use in po-

tentially explosive areas may be assembled on this

Inline terminal.

Before using an Inline terminal in a zone 2 potentially ex-

plosive area, check whether it has been approved for in-

stallation within this area.

For a list of terminals that are approved for the potentially

explosive areas of zone 2, please refer to the AH EN IL

EX ZONE 2 application note.

2. The maximum permissible current for each tension

spring contact is 2A.

WARNING: Explosion hazard

Please make sure that the following notes and

instructions are observed.

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P28

2884907

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