2. Declaration of Conformity The device was tested according to the applicable standards. Conformity was proofed. The declaration of conformity is available at the manufacturer BTR NETCOM GmbH. Notes Regarding Device Description These instructions include indications for use and mounting of the device. In case of questions that cannot be answered with these instructions please consult supplier or manufacturer. The indicated installation directions or rules are applicable to the Federal Republic of Germany. If the device is used in other countries it applies to the equipment installer or the user to meet the national directions. Safety Instructions Keep the applicable directions for industrial safety and preventi- on of accidents as well as the VDE rules. Technicians and/or installers are informed that they have to electrically discharge themselves as prescribed before installati- on or maintenance of the devices. Only qualified personnel shall do mounting and installation work with the devices, see section “qualified personnel”. The information of these instructions have to be read and un- derstood by every person using this device. Symbols Warning of dangerous electrical voltage Danger means that non-observance may cause risk of life, grievous bodily harm or heavy material damage. Qualified Personnel Qualified personnel in the sense of these instructions are persons who are well versed in the use and installation of such devices and whose professional qualification meets the require- ments of their work. This includes for example: • Qualification to connect the device according to the VDE specifications and the local regulations and a qualification to put this device into operation, to power it down or to activate it by respecting the internal directions. • Knowledge of safety rules. •Knowledge about application and use of the device within the equipment system etc. 1. Description The Modbus module with 10 digital inputs is designed for local switching operations. It is suitable to record potential-free swit- ching states as for example electrical limit switches of ventilation valves or auxiliary contacts of power contactors. The inputs can be operated as contact and voltage inputs (A1, 24 VAC/DC, jumper J - A2) or with actuation to GND (A2, jumper J - A1), depending on the setting of the jumper J. The inputs can be scanned via a Modbus-Master. Setting of the slave address, bit rate and parity is done with the two address switches (x1 / x10) on the front. Possible settings are addresses 00 to 99 and bit rates 1200, 2400, 4800, 9600, 19200, 38400, 57600 und 115200 Bd. The device does not participate in bus communication if the address is 00 (reserved for broadcast commands). 8440/899288 Digital Input Module MR-DI10 1108311319 5. Connection Diagram 4. Wiring Diagram3. Technical Data Modbus Interface Protocoll Modbus RTU Transmission rate 1200 ... 115200 Bd (factory setting 19200 Bd Even) Cabling RS485 two wire bus with voltage equalizing cable in bus / line topology Supply Operating voltage range 20 ... 28 V AC/DC (SELV) Current consumption 85 mA AC / 75 mA DC Relative duty cycle 100 % Input Input voltage 30 V DC High-signal recognition >10 V AC/DC Housing Dimensions WxHxD 1.4 x 2.8 x 2.6 in. (35 x 70 x 65 mm) Weight 83 g Mounting position any Mounting standard rail TH35 per IEC 60715 Mounting in series the maximum quantity of modules without space connected in line is limited to 15 or to a maximum power consumption of 2 Amps (AC or DC) per connection to the power supply. For any similar block of additional modules a separate connection to the power supply is mandatory. Material Housing Polyamide 6.6 V0 Terminal blocks Polyamide 6.6 V0 Cover plate Polycarbonate Type of protection (IEC 60529) Housing IP40 Terminal blocks IP20 Terminal blocks Supply and bus 4 pole terminal block max. AWG 16 (1,5 mm²) solid wireg max. AWG 18 (1,0 mm²) stranded wire Wire diameter min. 0.3 mm up to max. 1.4 mm (terminal block and jumper plug are included to each packing unit) Module connection Input/Output max. AWG 12 (4.0 mm²) solid wire max. AWG 14 (2.5 mm²) stranded wire Wire diameter min. 0.3 mm up to max 2.7 mm Temperature range Operation -5 °C ... +55 °C Storage -20 °C ... +70 °C Protective circuitry polarity reversal protection of operating voltage polarity reversal protection of supply and bus Display Operating and bus activity green LED Error indication red LED Status of the inputs yellow LED METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Germany Phone +49 7702 533-0 | Fax +49 7702 533-433 Additional documentation see www.metz-connect.com8. Connection examples Connection examples 1+2 5C12 C16810 4 24V24V ERROR B+ A - MR-DI10 B+ A - +24V GND +24V GND BUSY MODBusRTU x1 x10 79 13 30VAC/DC GND Jumperbelow thefaceplate Connection example 3 5C12 C16810 4 24V24V ERROR B+ A - MR-DI10 B+ A - +24V GND +24V GND BUSY MODBusRTU x1 x10 79 13 30VAC/DC GND Jumperbelow thefaceplate 7. Bit rate and Parity setting The bit rate and parity can be set in the programming mode when ajumper is plugged behind the front cover of the module. This jumper is removed in normal mode. A connection to the bus is not required during bit rate setting. The bit rate of the modules can be set in the following way: 1. remove the front cover of the module; 2. plug a jumper to the two middle pins of the 4 pole header between the red and green LED ( Á ); 3. set the desired parity and bit rate with the address switches ( Â ) in accordance to the chart below. 4. switch on the supply voltage of the module; it is now per- manently saving the bit rate in an EEPROM; 5. switch off the supply voltage of the module; 6. remove the jumper from the header and place the front cover. If the settings differ from the settings specified in the chart the factory setting applies. Factory setting: 19200 Bd Even 5C12 C16810 4 24V24V ERROR B+ A - MR-DI10 B+ A - +24V GND +24V GND BUSY MODBusRTU x1 x10 Jumperbelow thefaceplate Á Â 79 13 21 6. Mounting Power down the equipment Mount the module on standard rail (TH35 per IEC 60715 in junction boxes and/or on distribution panels). Installation Electric installation and device termination shall be done by qualified persons only, by respecting all applicable specifications and regulations. Plug in the terminal block for bus connection 43 5 mm 65 The module can be aligned without interspace. Use the jumper plug to connect bus and supply voltage when the modules are mounted in series. The maximum quantity of modules connected in line is limited to 15 or to a maximum power consumption of 2 Amps (AC or DC) per connection to the power supply. For any similar block of additional modules a separate connection to the power supply is mandatory. Connect the cable for bus supply Mounting in series Switch x1 12345678 Bitrate (Bit/s) 1200240048009600192003840057600115200 Switch x10 123 Parityevenoddnone 9. Software description 9.1 I/O Commands „02 (0x02) Read Discrete Inputs“ Request Valid Input Starting Address 0 .. 9 Valid Quantity of Inputs 1 .. 10 Response Byte Count 1 or 2 Input Status Bit0 .. Bit9 Information 1= Status input closed 0= Status input open “04 (0x04) Read Input Registers” Request Valid Register Starting Address 0 Valid Quantity of Registers 1 Response Byte Count 2 Values Register Input Status Bit 0..9 ( MR-DI10) Continuation Software desription 9.2 Bit rate setting with Modbus command Parity and bit rate have the same value as when setting them by address switch. If Parity or Bit has the value 0, no setting or storage is carried out. The register content is stored in the EEPROM. “06 (0x06) Write Single Register” Request Valid Register Address 0x41 ( 65 ) Valid Register Value 2 Bytes Bit 15-8: Magic-Number 0x53 = 83 as protection against accidental writing. The command will be further analysed only with this number. Response Echo of Request 1514131211109876543210 0x53ParityBit rate Bit 3-012345678 Bit rate1200240048009600192003840057600115200 Bit 7-4123 Parityevenoddnone METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Germany Phone +49 7702 533-0 | Fax +49 7702 533-433 Additional documentation see www.metz-connect.comContinuation Sotftware Description Example for a frame: Slave address 0x12 Setting of rotary switch (18) Function 0x06 Write Single Register Register address Hi 0x00 Register address Lo 0x41 Bit rate and parity (65) Register contents Hi 0x53 Magic-Number Register contents Lo 0x15 Parity Even, 19200 Baud All devices can be switched simultaneously with a Broadcast com- mand (Slave address 0x00) However, it is advised not to do so as this can cause problems: - Devices from other manufacturers may have under this address a register for a different purpose that will then be operated in the wrong way. - There is no feedback from the individual devices. Consequently the control cannot immediately recognize if the command was correctly received. It is safer to address and switch each device individually. The device will then answer with the old settings of parity and bit rate. Switching will take place only afterwards. However, the answer can get lost if the bus is disturbed. When all devices are switched; it is advised to check communica- tion. Any function of the device providing a feedback is suitable. If a single function is to be used being independent from the process periphery then the function „Diagnostic“ sub-function „Return Query Data“ is suitable, it returns the transferred data. If bit rate and parity setting of a device are unknown it is possible to address the device successively with all combinations of bit rate and parity until the device answers. Try the most likely com- binations first. Try the lower bit rates last as they take longer. 9.3 General Commands “08 (0x08) Diagnostics” Subfunction “0 ( 0x0000) Return Query Data” Data Field Any Response: Echo of Request Subfunction “1 (0x0001) Restart Communication Option” Data Field 0x0000 oder 0xFF00 Response: Echo of Request Action: Clears all Error Counters, Restarts node Subfunction “4 (0x0004) Force Listen Only Mode” Data Field 0x0000 No Response Action: No response until Node Reset or Function Code 08 Subcode 01 Subfunction “10 ( 0x000A) Clear Counters” Data Field 0x0000 Response: Echo of Request Action: Clears all Error Counters Subfunction “11 ( 0x000B) Return Bus Message Count” Data Field 0x0000 Response: Quantity of messages that the remote device has detected on the communications system since its last restart, clear counters operation, or power–up. Subfunction “12 ( 0x000C) Return Bus Communication Error Count” Data Field 0x0000 Response: Quantity of errors encountered by the remote device since its last restart, clear counters operation, or power-up. (CRC, Length <3, Parity, Framing) Continuation Sotftware Description Subfunction “13 ( 0x000D) Return Bus Exception Error Count” Data Field 0x0000 Response: Quantity of MODBUS exception responses returned by the remote device since its last restart, clear counters operation, or power-up. Subfunction “14 (0x000E) Return Slave Message Count” Data Field 0x0000 Response: quantity of messages addressed to the remote device, or broadcast, that the remote device has processed since its last restart, clear counters operation, or power-up. Subfunction “15 (0x000F) Return Slave No Response Count” Data Field 0x0000 Response: Quantity of messages addressed to the remote device for which it has returned no response (neither a normal response nor an exception response), since its last restart, clear counters operation, or power-up. “43 /14 (0x2B / 0x0E) Read Device Identification” Request Read Device ID code: 0x01 Object ID 0x00 Response Device ID code 0x01 Conformity level 0x01 More follows 0x00 Next object ID 0x00 Number of objects 0x03 Object ID 0x00 Object Length 0x03 Object Value “BTR” Object ID 0x01 Object Length 0x07 Object Value “MR-DI10” Object ID 0x02 Object Length 0x04 Object Value “V1.0” METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Germany Phone +49 7702 533-0 | Fax +49 7702 533-433 Additional documentation see www.metz-connect.comNext >