Leuze MA 238i User manual

MA 238 i
Fieldbus gateway – EtherCAT
Original operating instructions
EN 2022/04/22 - 50120383
We reserve the right to make technical changes

Leuze electronic GmbH + Co. KG MA 238 i 2
© 2022
Leuze electronic GmbH + Co. KG
In der Braike 1
D-73277 Owen / Germany
Phone: [phone]
Fax: [phone]
http://www.leuze.com
[email protected]

Leuze electronic GmbH + Co. KG MA 238 i 3
1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Description of functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.4 Definition of terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Foreseeable misuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Competent persons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Exemption of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Fast commissioning / operating principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Device arrangement and selection of the mounting location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3.1 Connecting the Leuze device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3.2 Connecting the power supply and the bus cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.4 Starting the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5 MA 238
i on EtherCAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5.1 Device description file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5.2 Device profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.5.3 Starting the MA 238
i in the EtherCAT system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 General information to the connection units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2 Characteristics of the connection units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.3 Device construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.4 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.5 Fieldbus systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.5.1 EtherCAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1 General specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2 Dimensioned drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.3 Type overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6 Installation and mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.1 Storage, transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.2 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.3 Device arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.3.1 Selecting a mounting location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.4 Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.1 Safety notices for the electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.2 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.1 PWR IN – voltage supply / switching input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.2 PWR OUT switching input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.3 BUS IN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.4 BUS OUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Leuze electronic GmbH + Co. KG MA 238 i 4
7.5 Device interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.5.1 RS 232 device interface (accessible after opening the device, internal) . . . . . . . . . . . . . . . . . . . 24
7.5.2 Service interface (internal). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7.6 EtherCAT wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7.7 Cable lengths and shielding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8 Status displays and operational controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.1 LED status indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.1.1 LED indicators on the circuit board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.1.2 LED indicators on the housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8.2 Internal interfaces and operational controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
8.2.1 Overview of operational controls of the . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
8.2.2 Connections of the X30 … connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
8.2.3 RS 232 service interface – X33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8.2.4 S10 service switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
8.2.5 Rotary switch S4 for device selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
9 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
9.1 Connecting the service interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
9.2 Reading out information in Service mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10 Telegram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.1 Structure of the fieldbus telegram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.2 Description of the input bytes (status bytes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.2.1 Structure and meaning of the input bytes (status bytes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
10.2.2 Detailed description of the bits (input byte 0). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
10.2.3 Detailed description of the bits (input byte 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10.3 Description of the output bytes (control bytes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.3.1 Structure and meaning of the output bytes (control bytes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.3.2 Detailed description of the bits (output byte 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.3.3 Detailed description of the bits (output byte 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10.4 RESET function / deleting memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
11 Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11.1 Functionality of the data exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11.1.1 Reading slave data in Collective mode (gateway -> PLC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11.1.2 Writing slave data in Collective mode (PLC -> gateway). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11.1.3 Command Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
12 Commissioning and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.1 Measures to be performed prior to the initial commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.1.1 Connecting the power supply and the bus cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2 Starting the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.3 MA 238
i in the EtherCAT system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.4 Starting the MA 238
i in the EtherCAT system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.5 CANopen over EtherCAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.5.1 Device profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.5.2 Device description file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.5.3 Object index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
12.6 Setting the read parameters on the Leuze device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.6.1 Specific feature for the use of hand-held scanners (bar code and 2D devices, combi
devices with RFID). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
12.6.2 Specific features in the operation of an RFM/RFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
13 Diagnostics and troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Leuze electronic GmbH + Co. KG MA 238 i 5
13.1 General causes of errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
13.2 Interface errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
13.3 Service and support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
14 Type overview and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14.1 Part number code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14.2 Type overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14.3 Accessories – Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14.4 Accessories – Preassembled cables for voltage supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14.4.1 Contact assignment of PWR connection cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
14.4.2 Technical data of the cables for voltage supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14.4.3 Order codes of the cables for voltage supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14.5 Accessory – Preassembled cables for bus connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14.5.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14.5.2 Contact assignment of M12 Ethernet connection cable KB ET… . . . . . . . . . . . . . . . . . . . . . . . . 57
14.5.3 Technical data M12 Ethernet connection cable KB ET… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14.5.4 Order codes of M12 Ethernet connection cable KB ET… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
14.6 Accessory – Preassembled cables for connecting Leuze Ident devices . . . . . . . . . . . . . . . . . . . . . 58
14.6.1 Order codes for the device connection cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
14.6.2 Contact assignment for the device connection cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
15 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
15.1 General maintenance information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
15.2 Repairs, servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
15.3 Disassembling, packing, disposing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
16 Specifications for Leuze end devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
16.1 Standard setting, KONTURflex (S4 switch position 0). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
16.2 Bar code reader BCL 8 (S4 switch position 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
16.3 Bar code reader BCL 22 (S4 switch position 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
16.4 Bar code reader BCL 300i, BCL 500i, BCL 600i (S4 switch position 4) . . . . . . . . . . . . . . . . . . . . . 63
16.5 Bar code reader BCL 90, BCL 900i (S4 switch position 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
16.6 LSIS 122, LSIS 222 (S4 switch position 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
16.7 LSIS 4x2i, DCR 202i (S4 switch position 7). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
16.8 Hand-held scanner (S4 switch position 8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
16.9 RFI, RFM, RFU RFID readers (S4 switch position 9) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
16.10 BPS 8 bar code positioning system (S4 switch position A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
16.11 BPS 300i bar code positioning system, ODSL xx optical distance sensors with RS 232
interface (S4 switch position B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
16.12 Modular connection unit MA 3x (S4 switch position C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
16.13 Resetting the parameters (S4 switch position F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
17 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
17.1 ASCII Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Leuze electronic GmbH + Co. KG MA 238 i 6
1 General information
1.1 Explanation of symbols
The symbols used in this technical description are explained below.
1.2 Declaration of Conformity
The MA 238 i modular connection units have been designed and manufactured in accordance with appli-
cable European directives and standards.
The manufacturer of the product, Leuze electronic GmbH + Co. KG in D-73277 Owen, possesses a certi-
fied quality assurance system in accordance with ISO 9001.
The modular connection unit is "UL LISTED" in accordance with American and Canadian safety standards
and fulfills the requirements of Underwriter Laboratories Inc. (UL).
EtherCAT® is a licensed and registered brand of Beckhoff Automation GmbH.
1.3 Description of functions
The MA 238 i modular connection unit is used to connect Leuze devices directly to the fieldbus.
Bar code readers: BCL 8, 22, 300i, 500i, 600i, 90, 900i
2D-code reader: LSIS 122, LSIS 222, LSIS 4x2i, DCR 200i
Hand-held scanner ITxxxx, HFU/HFM
RFID read/write devices: RFM 12, 32, 62 & RFI 32, RFU 100, RFU 200
Bar code positioning systems: BPS 8, BPS 300
Optical distance sensors: ODSL 9, ODSL 30, ODSL 96B
Measuring light curtain: KONTURflex to Quattro-RSX/M12
multiNet master connection
box: MA 3x
Additional RS 232 devices: Scales, third-party devices
This is accomplished by transmitting the data from the DEV via an RS 232 (V.24) interface to the MA 238
i
where a module converts it into the EtherCAT protocol. The data format on the RS 232 interface corre-
sponds to the Leuze standard data format (9600bd, 8N1 and STX, data, CR, LF).
The corresponding Leuze devices are selected using a rotary code switch on the circuit board of the
connection unit. Many additional RS 232 devices can be connected through a universal position.
Leuze can only provide support for the devices offered in the product range.
ATTENTION!
This symbol precedes text messages which must strictly be observed. Failure to observe the
provided instructions could lead to personal injury or damage to equipment.
NOTE
This symbol indicates text passages containing important information.
NOTE
The Declaration of Conformity for these devices can be requested from the manufacturer.

Leuze electronic GmbH + Co. KG MA 238 i 7
1.4 Definition of terms
For better understanding of the explanations provided in this document, a definition of terms follows below:
•Bit designation:
The 1st bit or byte begins with count number "0" and means bit/byte 20.
•Data length:
Size of a valid, continuous data packet in bytes.
• ESI file (EtherCAT Slave Information):
Description of the device for the control.
•Consistent:
Data which belongs together with regard to content and which must not be separated is referred to
as consistent data. When identifying objects, it must be ensured that the data is transmitted com-
pletely and in the correct order, otherwise the result is falsified.
• Leuze device (DEV):
Leuze devices, e.g., bar code readers, RFID readers, VisionReader…
•Online command:
These commands refer to the respective, connected ident device and may be different depending
on the device. These commands are not interpreted by the MA 238
i , but are instead transmitted
transparently (see description of Ident device).
•CR:
Cross reference
• Perspective of I/O data in the description:
Output data is data which is sent by the control to the MA. Input data is data which is sent by the
MA to the control.
• Toggle bits:
Status toggle bit
Each change of state indicates that an action was performed, e.g., bit ND (new data): each change
of state indicates that new received data was transmitted to the PLC.
Control toggle bit
An action is performed on each change of state, e.g., bit SDO: on each change of state, the regis-
tered data is sent by the PLC to the MA 238
i .

Leuze electronic GmbH + Co. KG MA 238 i 8
2 Safety
This device was developed, manufactured and tested in line with the applicable safety standards. It corre-
sponds to the state of the art.
2.1 Intended use
The MA 238 i modular connection unit is used for connecting Leuze devices such as bar code or 2D-code
readers, hand-held scanners, RFID read/write devices, etc. directly to the fieldbus.
2.2 Foreseeable misuse
Any use other than that defined under "Intended use" or which goes beyond that use is considered
improper use.
In particular, use of the device is not permitted in the following cases:
• in rooms with explosive atmospheres
• as stand-alone safety component in accordance with the machinery directive 1)
• for medical purposes
2.3 Competent persons
Connection, mounting, commissioning and adjustment of the device must only be carried out by competent
persons.
Prerequisites for competent persons:
• They have a suitable technical education.
• They are familiar with the rules and regulations for occupational safety and safety at work.
• They are familiar with the technical description of the device.
• They have been instructed by the responsible person on the mounting and operation of the device.
CAUTION!
Observe intended use!
Only operate the device in accordance with its intended use. The protection of personnel and
the device cannot be guaranteed if the device is operated in a manner not complying with its
intended use.
Leuze electronic GmbH + Co. KG is not liable for damages caused by improper use.
Read the technical description before commissioning the device. Knowledge of this technical
description is an element of proper use.
NOTE
Comply with conditions and regulations!
Observe the locally applicable legal regulations and the rules of the employer's liability insur-
ance association.
ATTENTION!
For UL applications, use is only permitted in Class 2 circuits in accordance with the NEC
(National Electric Code).
1) Use as safety-related component within the safety function is possible, if the component combination is designed corre-
spondingly by the machine manufacturer.
NOTE
Do not modify or otherwise interfere with the device!
Do not carry out modifications or otherwise interfere with the device.
The device must not be tampered with and must not be changed in any way.
The device must not be opened. There are no user-serviceable parts inside.
Repairs must only be performed by Leuze electronic GmbH + Co. KG.

Leuze electronic GmbH + Co. KG MA 238 i 9
Certified electricians
Electrical work must be carried out by a certified electrician.
Due to their technical training, knowledge and experience as well as their familiarity with relevant stan-
dards and regulations, certified electricians are able to perform work on electrical systems and indepen-
dently detect possible dangers.
In Germany, certified electricians must fulfill the requirements of accident-prevention regulations BGV A3
(e.g. electrician foreman). In other countries, there are respective regulations that must be observed.
2.4 Exemption of liability
Leuze electronic GmbH + Co. KG is not liable in the following cases:
• The device is not being used properly.
• Reasonably foreseeable misuse is not taken into account.
• Mounting and electrical connection are not properly performed.
• Changes (e.g., constructional) are made to the device.

Leuze electronic GmbH + Co. KG MA 238 i 10
3 Fast commissioning / operating principle
3.1 Mounting
The gateway mounting plate MA 238 i can be mounted in two different ways:
• Using four threaded holes (M6) or
• Using two M8x6 screws on the two lateral grooves.
3.2 Device arrangement and selection of the mounting location
Ideally, the MA 238 i should be mounted so that it is easily accessible near the Ident device in order to
ensure good operability, e.g., for configuring the connected device.
Detailed information can be found in Chapter 6.3.1.
3.3 Electrical connection
The devices from the MA 2xx i family feature four M12 connectors/sockets which are coded differently
depending on the interface.
The voltage supply (PWR IN) as well as the switching inputs/outputs (PWR OUT or PWR IN) are
connected there. The number and function of the switching inputs/outputs depends on the connected end
device.
An internal RS 232 interface is used for connecting the respective Leuze device. Another internal RS 232
interface functions as a service interface for configuring the connected device via a serial null modem
cable.
Figure 3.1: MA 238
i connections
Detailed information can be found in Chapter 7.
3.3.1 Connecting the Leuze device
To connect the Leuze device to the internal RS 232 device interface, open the housing of the MA 238
i
and lead the corresponding device cable (see Chapter 14.6) through the middle threaded opening.
Connect the cable to the internal device interface (X30, X31 or X32, see Chapter 7.5.1).
Use rotary switch S4 (see Chapter 8.2.5) to select the connected device.
Now screw the PG cable gland into the threaded opening to provide strain relief and ensure degree of
protection IP 65.
Finally, close the housing of the MA 238
i .
Connecting the functional earth FE
Ensure that the functional earth (FE) is connected correctly.
Unimpaired operation is only guaranteed when the functional earth is connected properly. All electrical
disturbances (EMC couplings) are discharged via the functional earth connection.
NOTE
Below you will find a short description for the initial commissioning of the EtherCAT gateway
MA 238
i . Detailed explanations for the listed points can be found throughout the handbook.
PWR OUT
VOUT 1
2
3
4
SWIO_2
SWIO_1
GND
FE
5
PWR IN
SWIO_1
SWIO_2
3
2
1
4
5
GND VIN
FE
HOST / BUS IN
TD+ 1
2
3
4
RD+
RD-
TD-
LEUZE Device BUS OUT
TD+ 1
2
3
4
RD+
RD-
TD-
M12 connector
(A-coded)
M12 socket
(A-coded)
M12 socket
(D-coded)
M12 socket
(D-coded)
ATTENTION!
Only then may the supply voltage be applied.
Upon startup of the MA 238
i , the device selection switch is queried and the gateway automati-
cally sets itself to the Leuze device.