AC2044 - Interface IFM - Free user manual and instructions

Product type	AS-i interface (AirBox)
Model	AC2044
Brand	IFM
Category	AS-i network interface
Power supply	Via AS-i network
Integrated sensor power supply	100 mA total per module
Operating pressure	2 to 8 bar
Sensor connection	Plug-in M12 connector
AS-i connection	EMS wiring module
Pneumatic connection	Legris 3000/8 mm system (CETOP RP 54 P)
Main functions	AS-i slave, master communication, control of 2 dual sensors and 2 pneumatic valves
Manual override	Yes, for activating valves (O-3 and O-4)
Addressing	1 to 31 (default 0) via addressing unit
LED indicators	Green (power), yellow (inputs/outputs)
Electromagnetic compatibility	EN 61000-4-2: contact discharge ±4 kV, air discharge ±8 kV
ESD protection	Potential equalization, cable separation
Maintenance	Use filtered air 5 µm, lubricated (ISO-VG10) or non-lubricated; after first lubrication, always lubricated
Mounting	On wiring module, tightening torque 0.8 Nm; possible filter down in dusty environments
Operating temperature	Not specified in manual (estimated: -25 to +70 °C)
Dimensions (approx.)	Not specified (estimated: 80 x 50 x 30 mm)
Weight (approx.)	Not specified (estimated: 150 g)
Spare parts and repairability	Not specified; consult manual or IFM after-sales service
Safety	Follow pneumatic regulations; cut air before maintenance; avoid electrostatic discharges
General information	Manual available in PDF for free; French language included

Frequently Asked Questions - AC2044 IFM

How to address the AC2044 module?

Use the addressing unit. Mount the module on the unit, assign a free address between 1 and 31 (default 0), then remount the module on the AS-i wiring module.

What is the required compressed air pressure?

The module operates with compressed air from 2 to 8 bar. Peaks above 8 bar can cause permanent sealing defects.

How to connect the sensors?

Sensors are connected via plug-in M12 connectors. The integrated sensor power supply provides 100 mA total per module.

What does the green LED lit mean?

The green LED indicates that power via the AS-i network is present and the module is powered.

The yellow LEDs do not light up, what to do?

Check sensor connection and power supply. The yellow LEDs indicate the status of inputs/outputs. If they remain off, consult the EMC/ESD section of the manual.

Can I use non-lubricated air?

Yes, but if the module has already been used with lubricated air, it must always be lubricated afterwards. Initial lubrication is no longer effective after using lubricated air.

How to disconnect pneumatic tubes?

Press the black ring on the fitting and pull the tube simultaneously.

Is the module protected against electrostatic discharges?

Yes, it is tested according to EN 61000-4-2: contact discharge ±4 kV, air discharge ±8 kV. For high-charge environments, follow the recommendations (potential equalization, cable separation).

How to manually operate the valves?

Use the manual controls on the module: press control 1 for output O-3, control 2 for O-4. The electrical command remains priority.

Where to find additional product information?

On www.ifm-electronic.com, enter the article number (AC2044) in 'Technical data sheet' for notes on compressed air and EMC/ESD.

USER MANUAL AC2044 IFM

Function and features

The AS-i AirBox is a slave in the AS-i system (AS-i profile S 7.F). It is the connection between the two dual sensors, the two pneumatic outputs and the AS-i master.

• Integrated sensor supply (a total of 100mA per module)
• Plug-in sensor connection
• AS-i connection via EMS module lower part
• Connection to pneumatic system via push fit tube connector Legris 3000 / 8mm, outside calibration according to CETOP standards RP 54P
• Operation with compressed air of 2...8bar including any pressure peaks (Pressure peaks >8 bar can cause permanent leaks and irreparable damage of the AirBox).

Mounting

Address assignment by means of the addressing unit.

Fix the module onto the addressing unit. Assign a free address between 1 and 31; the factory preset is 0.

Mount the module onto the wired module lower part of the AS-i network, tightening torque 0.8Nm.

In a dusty environment the AirBox should be mounted with the filter facing downwards.

Compressed air

Adhere to the safety regulations and provisions for the installation of pneumatic systems. Switch off pressure.

Connect the compressed air supply 1 (P), the pneumatic outputs (O-3, O-4) and, if necessary, the exhaust 3 (R) to the pneumatic system. Cut the connection tube straight and push it into the tube fitting until you can feel the tube latch.

Removal of the tubes

To remove the tubes, push the black ring and pull out the tube at the same time.

The manual overrides can operate the pneumatic outputs. Connect the compressed air supply to the AS-i AirBox. If you then push the manual override 1, the output O-3 is triggered. If you push the manual override 2, the output O-4 is triggered.

Electromagnetic compatibility (EMC):

The AirBox is rated for operation in industrial environments. The test of the electrostatic discharge was carried out in accordance with EN 61000-4-2 with the following test levels:

• Contact discharge ± 4kV
• air discharge ± 8kV

Special applications such as the conveying and distribution of bulk material can generate higher electrostatic charges.

To avoid electrostatic discharge the following remedial actions are possible, among others:

• Equalisation of potential according to the installation instructions

• Separate laying of

• signal and bus cables

• equipotential bonding conductors

• power cables

• physical separation of the AirBox and all cables from all parts carrying or discharging electrostatic charges

If these discharges are not avoided there is the danger of:

• injury to/incapacitation of operators and maintenance staff
• spark formation
  damage to the AirBox
• damage to the electrical equipment

The electrical triggering has priority over the mechanical triggering.

M12 socket pin
sensor supply L+	1
sensor supply L- 3
data input I 4
data input II 2

data bit D0	D1	D2	D3
inputs/outputs	I-1	I-2	I-3/O-3	I-4/O-4
socket	I-1/2		I-1/2	I-3/4	I-3/4
pin	4		2	4	2

Operation

Check the safe functioning of the unit. Display by LEDs:

• LED green: supply voltage via the AS-i system
• LEDs yellow: external voltage supply

For trouble-free operation sufficiently treated air must be used (filtered air 5 m , lubricated (ISO-VG10)1) or not lubricated). Once the AirBox has been operated with lubricated air, it always has to be operated with lubricated air as the oil removes the initial lubrication.

1) You can find further notes on compressed air and EMC/ESD for the AirBox at www.ifm-electronic.com. Enter the article number of your AirBox on the start page under "Data sheet direct". You receive the additional product information by clicking on "Additional data".

Depending on the unit version the exhaust air is filtered with a sintered exhaust or leaves via a common exhaust.