Eaton Crouse-hinds series User manual

9661-ETW

MTL intrinsically safe ethernet to serial

4 port communication module

June 2017

INM 9661-ETW Rev 1

Instruction manual

MTL industrial ethernet

INM 9661-ETW Rev 1

DECLARATION OF CONFORMITY

A printed version of the Declaration of Conformity has been provided separately within the

original shipment of goods. However, you can find a copy of the latest version at -

http://www.mtl-inst.com/certificates

iii

INM 9661-ETW Rev 1

CONTENTS

1 INTRODUCTION............................................................1

2 FEATURES ................................................................1

3 CONNECTIONS ............................................................2

3.1 Data ...................................................................................2

3.2 Power..................................................................................2

4 INSTALLATION ............................................................3

4.1 Special Conditions for Safe Use (Conditions of Certification) ..................................3-4

5 CONNECTING THE 9661-ETW TO A PC/NETWORK ..............................5

5.1 Connecting with LAN .....................................................................5

6 CONFIGURING WI-FI NETWORK SETTINGS .................................. 6-7

7 SETTING UP THE 9661-ETW COMMS PORTS ................................. 8-9

7.1 LED Indication...........................................................................9

8 MECHANICAL DETAILS ....................................................10

9 ENVIRONMENTAL.........................................................10

10 WASTE REMOVAL INFORMATION ...........................................10

11 CONFORMITY ............................................................10

12 MAINTENANCE ...........................................................10

13 CERTIFICATION ...........................................................11

13.1 Marking details .........................................................................11

14 ORDERING INFORMATION..................................................11

INM 9661-ETW Rev 1

1 INTRODUCTION

The 9661-ETW is an Intrinsically Safe (IS) Ethernet to Serial 4 Port Communication Module

suitable for Zone 0 mounting with a suitable Ex ia Power Supply.

The Module allows existing Intrinsically Safe equipment with an RS485/RS422 or RS232/TTL

port to become Ethernet Enabled via either Wi-Fi (WLAN) or a Cat5/6 cable connection into an IS

Ethernet Network (LAN). The unit has 4 serial ports, each one supporting either RS485/RS422 or

RS232/TTL depending upon the configuration required. There are 2 RJ45 (LAN) ports that support

10/100 IS Ethernet connections - these allow ‘daisy-chaining’ of units together.

Power (12V DC) is supplied to the module either locally or using Power over Ethernet (PoEx) from

the LAN port - This requires the PoEx output to be wired to the Supply Input terminals by the

user.

The compact and cost effective design makes it the ideal choice for many applications

such as Petrochemical - Process Monitoring, Legacy Systems and Mining - Underground

Communication Links, Machine Monitoring and Legacy Systems.

Electrical connections are made via cage-clamp plug/socket terminals along with a dual RJ45 type

connector for the Ethernet LAN ports. Twin SMA Style RF connectors allow one or two antenna

to be connected as required.

FEATURES

• Intrinsically Safe ATEX / IECEx certification

• 4 Communication Ports - RS232/485/422 (2 & 4 Wire)

• Serial Modbus Protocol

• Bluetooth Dual Mode V2.1 +EDR and V4.0 (Future development option)

• Wi-Fi supporting 802.11 a/b/g/n standards (2.4 & 5 GHz)

• Micro Access Point (Future development option)

• Dual Port Switch 10/100Mb LAN (daisy-chain capability)

• LAN or Wi-Fi to Serial comms

• Wi-Fi, Bluetooth & LAN co-existence

• Modbus/TCP <-> Modbus/RTU (or ASCII) Protocol

• Compact design

• Certified for a variety of applications including Mining

• Zone 0 mounting

• Connection into Zone 0 Gas or Zone 20 Dust Hazardous Areas

9661-ETW MTL Intrinsically Safe Ethernet to

serial 4 port communication module

INM 9661-ETW Rev 1

3 CONNECTIONS

3.1 Data

Comms Ports 1 + 2

Pin Function Pin Function

Port 1

1 Port1 - TX+/A 2 Port1 - TX-/B

3 Port1 - RX+ 4 Port1 - RX-

5 Port1 - TXD (RS232) 6 0V

7 Port1 - RXD (RS232) 8 0V

Port 2

9 Port2 - TX+/A 10 Port2 - TX-/B

11 Port2 - RX+ 12 Port2 - RX-

13 Port2 - TXD (RS232) 14 0V

15 Port2 - RXD (RS232) 16 0V

Comms Ports 3 + 4

Pin Function Pin Function

Port 3

1 Port3 - TX+/A 2 Port3 - TX-/B

3 Port3 - RX+ 4 Port3 - RX-

5 Port3 - TXD (RS232) 6 0V

7 Port3 - RXD (RS232) 8 0V

Port 4

9 Port4 - TX+/A 10 Port4 - TX-/B

11 Port4 - RX+ 12 Port4 - RX-

13 Port4 - TXD (RS232) 14 0V

15 Port4 - RXD (RS232) 16 0V

LAN Port 1 LAN Port 2

Pin Function Pin Function

1 Tx + 1 Tx +

2 Tx - 2 Tx -

3 Rx + 3 Rx +

4 Spare 4 PoEx + 12V*

5 Spare 5 PoEx + 12V*

6 Rx - 6 Rx -

7 Spare 7 PoEx 0V*

8 Spare 8 PoEx 0V*

WiFi Antenna Connectors (SMA)

SMA

Coonector

Antenna

Front Main (2.4 + 5GHz)

Rear MIMO (2.4GHz)

3.2 Power

Pin Function

1 PoEx + 12V

2 NC

3 PoEx 0V

4 Power +12V

5 NC

6 Power 0V

*PoEx (Pins 1+3) must be linked back into the Power connections (Pins 4+6) if used.

INM 9661-ETW Rev 1

4 INSTALLATION

This Equipment must be installed, operated and maintained only by trained

competent personnel and in accordance with all appropriate international, national

and local standard codes of practice and site regulation for intrinsically safe apparatus

and in accordance with the instructions contained here.

The 9600-ET Ethernet I/O module range is designed in accordance with general

electrical safety standards e.g. IEC 60950 or similar.

The equipment should not be used in the vicinity of chemicals which are known to

damage plastics unless protected by an additional suitable enclosure

The connected power supply must be Intrinsically Safe, having a Uo=14.4V or less

and suitable for the intended gas or dust group.

The nominal power requirements are 12V @ 150mA.

• Example wiring information for typical ﬁeld devices is shown in the

following diagram (also reproduced on the units side label)

INM 9661-ETW Rev 1

4.1 Special conditions for safe use (Conditions of certiﬁcation)

The following conditions relate to safe installation and/or use of the equipment, this

is an extract from the certiﬁcate CML 16ATEX2131X.

14.1 When used with Group I gases and Group III dust, the modules shall each

be mounted within an enclosure providing a degree of protection of at

least IP54. This shall be in accordance with EN 60529, and the mounting

arrangement shall not impair the existing creepage and clearance

distances. The enclosure shall also comply with the appropriate

requirements of Clauses 7 and 8 of EN 60079-0.

14.2 The RJ45 connectors do not meet the ingress protection rating of IP20,

when they are not ﬁtted with either a connector or blanking plug. For

Group II, the RJ45 connectors must be ﬁtted with either a plug or

blanking plug or the module shall be mounted in an enclosure

meeting IP20

14.3 When used in Group II, under certain extreme circumstances, the non-

metallic parts incorporated in the enclosure of this equipment may

generate an ignition-capable level of electrostatic charge. Therefore,

the equipment shall not be installed in a location where the external

conditions are conducive to the build-up of electrostatic charge on such

surfaces. In addition, the equipment shall only be cleaned with a damp cloth.

14.4 The supply to the modules must be derived from a suitably certiﬁed,

intrinsically safe supply having a Uo=14.4V or less and suitable for the

intended gas or dust group.

14.5 In the case of any connection to the RS232/TTL circuits, if the transmit

‘TX’ line within both the cable and the other certiﬁed equipment can be

shown to be suitably segregated from the receive line, ‘RX’, then Ui can

be speciﬁed as 12.5 V. If the segregation cannot be proved, then Ui for

both TX and RX must be speciﬁed as 5.88 V (Note: Suitable segregation

for upto 30V as speciﬁed in Table 5 EN 60079-11 is a minimum of 2mm

creepage and clearance, 0.7mm through casting compound or under

coating, or 0.5mm solid insulation with CTI >=100).

14.6 The values of Co and Lo shall apply when one of the two conditions

below is given:

- The total Li of the external circuit (excluding the cable) is < 1% of the

Lo value, or,

- The total Ci of the external circuit (excluding the cable) is < 1% of

the Co value. The above parameters are reduced to 50% when both

of the two conditions below are given:

- The total Li of the external circuit (excluding the cable) > 1% of the

Lo, and

- The total Ci of the external circuit (excluding the cable) > 1% of the Co.

NOTE

The reduced capacitance of the external circuit (including cable) shall not be

greater than 1 µF for IIB and 600 nF for IIC.

14.7 The equipment shall be capable of withstanding an electric strength

test using a test voltage of 500 Vac applied between the circuit and earth

for 60 s. Alternatively, a voltage of 20% higher may be applied for 1 s.

There shall be no evidence of ﬂashover or breakdown and the maximum

current ﬂowing shall not exceed 5 mA.

INM 9661-ETW Rev 1

5 CONNECTING THE 9661-ETW TO A PC/NETWORK

5.1 Connecting with LAN

• Ensure that the 9661-ETW unit is powered by a suitable IS supply, such as

the MTL 9492-PS. PoEx can be used to power the unit via LAN port 2

if required.

• The 9661-ETW should then be connected to an IS Ethernet Network/PC

using a suitable CAT5/6 cable. Either LAN Port 1 or 2 can be used. The other

LAN port can be used for daisy chaining units together. PoEx only available

on port 2.

• Run the 9461-ET Finder.exe program which can be found on the MTL

website, this will automatically search for and locate any 9661-ETW units

connected to the network.

• Click on the device that you are looking to conﬁgure, then click the

“conﬁgure IP settings” button and this will bring up the following screen.

• Manually type in the settings that you require and then enter the password

“CSL”. Click the apply button to send the settings to the 9661-ETW.

• Reboot the device by either powering down or by clicking the “reboot” button

in the above screen.

• Once the 9661-ETW is up and running, navigate to the IP Address that has

been programmed into the unit using a web browser and you will see the

following screen.

INM 9661-ETW Rev 1

• This page shows the current conﬁguration of the 4 Comms ports.

6 CONFIGURING WI-FI NETWORK SETTINGS

• Click on the Wi-Fi Information menu option and you will see the screen below

This shows information about the Wi-Fi module and the current settings associated

with it, including whether there is an active Wi-Fi connection.

To change any of the settings this is done in the following step

• Click on the Wi-Fi Conﬁguration menu option, this prompts the user to

enter a username and password. The defaults are shown below, both are

case sensitive –

Username: admin

Password: Pa55w0rd

You will then see the following screen

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