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- Page 1 SMI2-M RS485 Multi-Color Display User guide SMI2-M_2022_0001_EN © All rights reserved Subject to technical changes and misprints akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
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Page 2: Table Of Contents
Transportation and storage ......................... 24 Scope of delivery ............................25 Appendix A. Galvanic isolation ........................26 Appendix B. Modbus application ........................27 akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 3: Introduction
Ensure the mains voltage matches the voltage marked on the nameplate. Ensure the device is provided with its own power supply line and electric fuse. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... - Page 4 To avoid damage to the device, keep the device in the warm environment for at least 1 hour before powering on. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
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Page 5: Overview
1 - Micro-USB programming interface 2 - service button 3 - two plug positions of terminal block Fig. 2.1 External design akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... - Page 6 When the device is powered from USB, the display brightness is by 50% reduced com- pared to 24 V power supply. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
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Page 7: Specifications
2000 m ASL Vibration / shock resistance conforms to IEC 61131-2 EMC emission / immunity conforms to IEC 61131-2 akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 8: Configuration
The parameters in this group define the physical layer of data exchange over the RS485 port for all operating modes. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 9: Modbus Common
Final byte order 0xAABBCCDD 0xAABBCCDD Unchanged 0xAABBCCDD Swap bytes 0xBBAADDCC 0xAABBCCDD 0xCCDDAABB Swap registers 0xAABBCCDD Swap bytes and registers 0xDDCCBBAA akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 10: Safe State
Safe state timeout countdown (Tab. 4.2). If there is no response from the Slave during Safe state timeout, the Master switches to the safe state (Sect. 4.3.1). akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 11: Modbus Spy
= 2) – the received variable is not displayed because the data TYPE from registers 59 - 60 is required, but register 60 is not requested akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 12: Device Settings
The flowchart that describes the display behavior depending on other parameters is shown in the Fig. 4.1. Fig. 4.1 Display operation flowchart akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 13: Display
(-999… 9999). In this way, values with a number of digits greater than 4 can be dis- akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 14: Displayed Value
Device settings > Displayed value, set the test value of the selected data type in the corresponding row and click the toolbar icon Write parameters akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 15: Extended Control
Additionally, a value upper limit and a hysteresis can be set for zones 1…4. Open the node Device settings > Extended control. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... - Page 16 > 0 Zone 1 Zone 5 Upper limit: Upper limit: 9999 Hysteresis: Color: green Color: yellow Blinking: Blinking: akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
- Page 17 If the variable is decreased, the zone 1 is active in the range [-999; 90), the zone 2 – in the range [90; 130), the zone 5 – in the range [130; 9999]. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
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Page 18: Device Status And Errors
32-bit status code 0…4294967295 Status − Remaining flash Remaining flash memory write cycles 0…100 % − in % write cycles akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 19: Password
There is no password by default. If you forgot the password, restore the factory settings (Sect. 6). akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 20: Installation
Connect the power and signal cables in accordance with Sect. 5.2. − Fig. 5.1 External dimensions Fig. 5.2 Mounting Fig. 5.3 Cut-out dimensions akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 21: Wiring
= 120 Ohm = 120 Ohm SMI2-M SMI2-M Slave 1 Slave N Fig. 5.5 Several SMI2-M as Slaves akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... - Page 22 D- D+ D- D+ = 120 Ohm = 120 Ohm SMI2-M Slave Fig. 5.6 SMI2-M as a Spy akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
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Page 23: Factory Settings Restoration
Restart device − After a pop-up message about successful restart, the device will operate with the default parameters. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 24: Maintenance
The device should be cleaned with a damp cloth only. No abrasives or solvent-containing cleaners may be used. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 25: Transportation And Storage
Check the device for transport damage and completeness! Report the transport damage immediately to the shipper and akYtec GmbH. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 26: Scope Of Delivery
9. Scope of delivery – SMI2-M – Gasket – Mounting nut – 4-pole plug-in terminal block – Short guide akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 27: Appendix A. Galvanic Isolation
The test voltages shown in Fig. A.1 correspond to the tests carried out under normal operating conditions with 1-minute exposure time. akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... -
Page 28: Appendix B. Modbus Application
0x0FB7 4023 ENUM2 1 – 0x04 0…65535 Start register 0x0FB8 4024 UINT16 Request period 100…200…65535 0x0FB9 4025 UINT16 akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de... - Page 29 TIME 0x109C 4252 UINT32 Extended control 0 – Off Enable 0x10CC 4300 ENUM2 1 – On Zone 5 akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
- Page 30 Write a single holding register 16 (0x10) Write Multiple Registers Write a block of contiguous registers (1 to 123 registers) akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
- Page 31 0x04 (4) Data length (byte): 0x08 (8) Data: 0x57(W) 0x2E(.) 0x4F(O) 0x2E(.) 0x52(R) 0x2E(.) 0x44(D) 0x2E(.) CRC: 0x90 0x31 akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany · Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de...
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