aspar SDM-6TE 6 Temperatue Inputs Expansion Module
Thank you for choosing our product.
- This manual will help you with proper support and proper operation of the device.
- The information contained in this manual have been prepared with utmost care by our professionals and serve as a description of the product without incurring any liability for the purposes of commercial law.
- This information does not release you from the obligation of own judgement and verification.
- We reserve the right to change product specifications without notice.
- Please read the instructions carefully and follow the recommendations contained therein.
WARNING!
Failure to follow instructions can result in equipment damage or impede the use of the hardware or software..
Safety rules
- Before first use, refer to this manual
- Before first use, make sure that all cables are connected properly
- Please ensure proper working conditions, according to the device specifications (eg: supply voltage, temperature, maximum power consumption)
- Before making any modifications to wiring connections, turn off the power supply
Module Features
Purpose and description of the module
- The SDM-6TE module allows you to measure the temperature with attached popular sensor Pt100, Pt500, Pt1000, Ni100, KTY81-110, NTC (Carel) and thermocouple (type J, K, T, N, S, R, B). In addition, it is possible to measure voltages in the range 256mV (10μV resolution) and to 2048mV (100μV resolution) as well as the measurement of resistance to 8kΩ.
- The device has a set of six inputs for the temperature measurement. It is possible to 2- or 3-wire measurement of sensors Pt100, Ni100, Pt500, Pt1000 and 2-wire measurement thermocouples and other sensors. In addition, the module is equipped with 2 configurable digital outputs (alarms).
- Values are read via RS485 (Modbus), so we can easily integrate the module with popular PLCs, HMI or PC equipped with the appropriate adapter.
- This module is connected to the RS485 bus with twisted-pair wire. Communication is via MODBUS RTU or MODBUS ASCII. The use of 32-bit ARM core processor provides fast processing and quick communication. The baud rate is configurable from 2400 to 115200.
- The module is designed for mounting on a DIN rail in accordance with DIN EN 5002.
- The module is equipped with a set of LEDs used to indicate the status of inputs and outputs useful for diagnostic purposes and helping to find errors.
- Module configuration is done via USB by using a dedicated computer program. You can also change the parameters using the MODBUS protocol.
Technical Specifications
|
Power Supply |
Voltage | 10-30 VDC; 10-28VAC |
| Maximum Current | DC: 52 mA @ 24VDC AC: 62 mA @ 24VAC | |
| Maximum power consumption | DC: 1,25W; AC: 1,5VA | |
|
Inputs |
No of inputs | 6 |
| Pt100 operation range | -200°C – +850°C | |
| Pt500 operation range | -200°C – +850°C | |
| Pt1000 operation range | -200°C – +850°C | |
| Ni100 operation range | -60°C – +180°C | |
| KTY81-110 operation range | -55°C – +150°C | |
| J operation range | -200°C – +1200°C | |
| K operation range | -200°C – +1300°C | |
| T operation range | -200°C – +400°C | |
| N operation range | -200°C – +1300°C | |
| S operation range | -0°C – +1700°C | |
| R operation range | -0°C – +1700°C | |
| B operation range | -0°C – +1800°C | |
| Resistance | From 0 to 8000Ω (1Ω resolution) | |
| Voltage | 0 to 2048mV (0,1mV resolution) 0 to 256mV (0,01mV resolution) | |
| Measuring current | ~250μA | |
| Measurement resolution | 0,1°C | |
| Measurement error | ±0,5°C | |
| Cold junction temperature measurement | -55°C – +100°C | |
| Measurement error of the cold junction temperature | ±1°C | |
| ADC processing time | 150ms / channel | |
| Isolation | 1500 Vrms | |
|
Digital outputs |
Maximum current and voltage | 500mA / 55V |
| Isolation | 1500 Vrms | |
|
Temperature |
Work | -10 °C – +50°C |
| Storage | -40 °C – +85°C | |
|
Connectors |
Power Supply | 2 pins |
| Communication | 3 pins | |
| Inputs | 2x 10 pins | |
| Configuration | Mini USB |
|
Size |
Height | 110 mm |
| Lenght | 62 mm | |
| Width | 88 mm | |
| Interface | RS485 | Up to 128 devices |
Dimensions of the product
Look and dimensions of the module are shown below. The module is mounted directly to the rail in the DIN industry standard. Power connectors, communication and IOs are at the bottom and top of the module. USB connector configuration and indicators located on the front of the module.
Communication configuration
Grounding and shielding
In most cases, IO modules will be installed in an enclosure along with other devices which generate electromagnetic radiation. Examples of these devices are relays and contactors, transformers, motor controllers etc. This electromagnetic radiation can induce electrical noise into both power and signal lines, as well as direct radiation into the module causing negative effects on the system. Appropriate grounding, shielding and other protective steps should be taken at the installation stage to prevent these effects. These protective steps include control cabinet grounding, module grounding, cable shield grounding, protective elements for electromagnetic switching devices, correct wiring as well as consideration of cable types and their cross sections.
Network Termination
- Transmission line effects often present a problem on data communication networks.
- These problems include reflections and signal attenuation.
- To eliminate the presence of reflections from the end of the cable, the cable must be terminated at both ends with a resistor across the line equal to its characteristic impedance. Both ends must be terminated since the direction of propagation is bidirectional. In the case of an RS485 twisted pair cable this termination is typically 120 Ω.
Setting Module Address in RS485 Modbus Network
- The following table shows how to set switch to determine the address of the module.
- The module address is set with the switches in the range of 0 to 127. Addresses From 128 to 255 can by set via RS485 or USB.
Switch Adress SW1 +1 SW2 +2 SW3 +4 SW4 +8 SW5 +16 SW6 +32 SW7 +64 - Ex. if switches 1, 3 and 5 are on than module addres is: Address = 1 + 4 + 16 = 21
Types of Modbus Registers
There are 4 types of variables available in the module
| Type | Beginning adress | Variable | Access | Modbus Command |
| 1 | 00001 | Digital Outputs | Bit
Read & Write |
1, 5, 15 |
| 2 | 10001 | Digital Inputs | Bit Read | 2 |
| 3 | 30001 | Input Registers | Registered Read | 3 |
| 4 | 40001 | Output Registers | Registered Read & Write | 4, 6, 16 |
Communication settings
The data stored in the modules memory are in 16-bit registers. Access to registers is via MODBUS RTU or MODBUS ASCII.
- Default settings
You can restore the default configuration by the switch SW8 (see 3.5.2 – Restore the default configuration)Baud rate 19200 Parity Nie Data bits 8 Stop bits 1 Reply Delay [ms] 0 Modbus Type RTU - Restore the default configuration
- To restore the default configuration:
- turn off the power
- turn on the switch SW8
- turn on the power
- when power and communication LED start blinking alternately than turn off the switch SW8
- Caution! After restoring the default configuration all values stored in the registers will be cleared as well.
- To restore the default configuration:
- Configuration registers
Modbus Dec Hex Name Values 40003
2
0x02
Baud rate
0 – 2400 1 – 4800
2 – 9600
3 – 19200
4 – 38400
5 – 57600
6 – 115200
other – value * 10
40005
4
0x04
Parity
0 – none 1 – odd
2 – even
3 – always 1
4 – always 0
40004 3 0x03 Stop Bits LSB 1 – one stop bit 2 – two stop bit 40004 3 0x03 Data Bits MSB 7 – 7 data bits 8 – 8 data bits
40006 5 0x05 Response delay Time in ms 40007 6 0x06 Modbus Mode 0 – RTU 1 – ASCII
Switches
| Switch | Function | Description |
| 1 | Module address +1 |
Setting module address from 0 to 127 |
| 2 | Module address +2 | |
| 3 | Module address +4 | |
| 4 | Module address +8 | |
| 5 | Module address +16 | |
| 6 | Module address +32 | |
| 7 | Module address +64 | |
|
8 |
Restoring default settings | Restoring default settings
(see 3.5.1 – Default settings i 3.5.2 – Restore the default configuration). |
Front panel removing
To remove the panel and gain access to the switch, you must pry open the panel using a thin tool (eg a small screwdriver) as in the picture below.
Indicators
| Indicator | Description |
| Power supply | LED indicates that the module is correctly powered. |
| Communication | The LED lights up when the unit received the correct packet and sends the answer. |
| Inputs state | LED indicates that the signal to input is connected. |
| Outputs state | LED indicates that the output is on. |
Module Connection
Temperature inputs
Digital outputs
Communication, power supply
Modules Registers
Registered access
| Modbus | Dec | Hex | Register Name | Access | Description |
| 30001 | 0 | 0x00 | Version/Type | Read | Version and Type of the device |
| 30002 | 1 | 0x01 | Switches | Read | Switches state |
| 40003 | 2 | 0x02 | Boud rate | Read & Write | RS485 baud rate |
| 40004 | 3 | 0x03 | Stop bits | Read & Write | No of Stop bits |
| 40005 | 4 | 0x04 | Parity | Read & Write | Parity bit |
| 40006 | 5 | 0x05 | Respons Delay | Read & Write | Response delay in ms |
| 40007 | 6 | 0x06 | Modbus Mode | Read & Write | Modbus Mode (ASCII or RTU) |
| 40033 | 32 | 0x20 | Received packets LSB | Read & Write |
No of received packets |
| 40034 | 33 | 0x21 | Received packets MSB | Read & Write | |
| 40035 | 34 | 0x22 | Incorrect packets LSB | Read & Write |
No of received packets with error |
| 40036 | 35 | 0x23 | Incorrect packets MSB | Read & Write | |
| 40037 | 36 | 0x24 | Sent packets LSB | Read & Write |
No of sent packets |
| 40038 | 37 | 0x25 | Sent packets MSB | Read & Write | |
| 30051 | 50 | 0x32 | Inputs | Read | Connected sensors
Bit in high state → sensor is connected |
| 40052 | 51 | 0x33 | Outputs | Read | Alarms state bit 6 and 7 alarm outputs |
| 30053 | 52 | 0x34 | Temperature 1 | Read |
Temperature or measured analog
in mV・10 for voltage to 2048mV in mV・100 for voltage to 256mV in °C・10 for temperature in Ω for resistance |
| 30054 | 53 | 0x35 | Temperature 2 | Read | |
| 30055 | 54 | 0x36 | Temperature 3 | Read | |
| 30056 | 55 | 0x37 | Temperature 4 | Read | |
| 30057 | 56 | 0x38 | Temperature 5 | Read | |
| 30058 | 57 | 0x39 | Temperature 6 | Read | |
| 30059 | 58 | 0x3A | Alarm temperature 1 | Read | Alarm temperature for alarm output 1 |
| 30060 | 59 | 0x3B | Alarm temperature 2 | Read | Alarm temperature for alarm output 2 |
| 30061 | 60 | 0x3C | Junction temperature | Read | Module junction temperature |
| 30062 | 61 | 0x3D | Measurement current | Read | Measurement current |
| 40063 | 62 | 0x3E | MAX alarm level 1 | Read & Write |
If the temperature exceeds this value the corresponding alarm flag is set |
| 40064 | 63 | 0x3F | MAX alarm level 2 | Read & Write | |
| 40065 | 64 | 0x40 | MAX alarm level 3 | Read & Write | |
| 40066 | 65 | 0x41 | MAX alarm level 4 | Read & Write | |
| 40067 | 66 | 0x42 | MAX alarm level 5 | Read & Write | |
| 40068 | 67 | 0x43 | MAX alarm level 6 | Read & Write | |
| 40069 | 68 | 0x44 | MIN alarm level 1 | Read & Write | If the temperature is below this value corresponding alarm flag is set |
| 40070 | 69 | 0x45 | MIN alarm level 2 | Read & Write | |
| 40071 | 70 | 0x46 | MIN alarm level 3 | Read & Write |
| 40072 | 71 | 0x47 | MIN alarm level 4 | Read & Write | |
| 40073 | 72 | 0x48 | MIN alarm level 5 | Read & Write | |
| 40074 | 73 | 0x49 | MIN alarm level 6 | Read & Write | |
| 40075 | 74 | 0x4A | Alarm settings 1 | Read & Write |
Alarm settings:
0 – alarm due to the current temperature 1 – Remember the value of the alarm, until reset by the master via Modbus |
| 40076 | 75 | 0x4B | Alarm settings 2 | Read & Write | |
| 40077 | 76 | 0x4C | Alarm settings 3 | Read & Write | |
| 40078 | 77 | 0x4D | Alarm settings 4 | Read & Write | |
| 40079 | 78 | 0x4E | Alarm settings 5 | Read & Write | |
| 40080 | 79 | 0x4F | Alarm settings 6 | Read & Write | |
| 40081 | 80 | 0x50 | Constant junction temperature | Read & Write | Value of junction temperature |
| 40082 | 81 | 0x51 | Junction temperature offset | Read & Write | Junction temperature offset |
|
40083 |
82 |
0x52 |
Input 1 settings |
Read & Write |
Analog input mode:
0 – input disabled 1 – voltage to 2048mV 2 – voltage to 256mV 3 – J thermocouple 4 – K thermocouple 5 – T thermocouple 6 – N thermocouple 7 – S thermocouple 8 – R thermocouple 9 – B thermocouple 10 – Pt100 3-wire 11 – Pt100 2-wire 12 – resistance to 8kΩ 13 – NI100 14 – KTY81-110 15 – Pt500 3-wire 16 – Pt500 2-wire 17 – Pt1000 3-wire 18 – Pt1000 2-wire 19 – NTC Carel 2-wire1
+32 – junction temperature is taken from register 40081 “Constant junction temperature” |
|
40084 |
83 |
0x53 |
Input 2 settings |
Read & Write |
|
|
40085 |
84 |
0x54 |
Input 3 settings |
Read & Write |
|
|
40086 |
85 |
0x55 |
Input 4 settings |
Read & Write |
|
|
40087 |
86 |
0x56 |
Input 5 settings |
Read & Write |
|
|
40088 |
87 |
0x57 |
Input 6 settings |
Read & Write |
|
|
40089 |
88 |
0x58 |
Output 1 settings |
Read & Write |
Alarm output settings 0 – output is set by PLC
+1 – temperature from input 1 +2 – temperature from input 2 +4 – temperature from input 3 +8 – temperature from input 4 +16 – temperature from input 5 +32 – temperature from input 6 |
| 40090 | 89 | 0x59 | Output 2 settings | Read & Write | +256 – Output is set if value is greater than Alarm Value (register 40091 or 40092) („cooling”)
+512 – Output is set if value is less than Alarm Value ( register 40091 or 40092)(„heating”)
+1024 – The lowest value from selected inputs +2048 – The greatest value from selected inputs (if not select either of the two above options than is used average value of selected inputs) |
| 40091 | 90 | 0x5A | Alarm Value 1 | Read & Write |
Alarm value for outputs |
| 40092 | 91 | 0x5B | Alarm Value 2 | Read & Write | |
| 40093 | 92 | 0x5C | Alarm hysteresis 1 | Read & Write | The hysteresis value for alarm outputs |
| 40094 | 93 | 0x5D | Alarm hysteresis 2 | Read & Write | |
| 40095 | 94 | 0x5E | Input resistance 1 | Read & Write |
Lead wire resistance for each input |
| 40096 | 95 | 0x5F | Input resistance 2 | Read & Write | |
| 40097 | 96 | 0x60 | Input resistance 3 | Read & Write | |
| 40098 | 97 | 0x61 | Input resistance 4 | Read & Write | |
| 40099 | 98 | 0x62 | Input resistance 5 | Read & Write | |
| 40100 | 99 | 0x63 | Input resistance 6 | Read & Write |
Bit access
| Modbus | Dec | Hex | Register Name | Access | Description |
| 801 | 800 | 0x320 | Input 1 | Read | Set when the sensor is connected |
| 802 | 801 | 0x321 | Input 2 | Read | Set when the sensor is connected |
| 803 | 802 | 0x322 | Input 3 | Read | Set when the sensor is connected |
| 804 | 803 | 0x323 | Input 4 | Read | Set when the sensor is connected |
| 805 | 804 | 0x324 | Input 5 | Read | Set when the sensor is connected |
| 806 | 805 | 0x325 | Input 6 | Read | Set when the sensor is connected |
| 817 | 816 | 0x330 | Alarm 1 | Read | Alarmu state 1 |
| 818 | 817 | 0x331 | Alarm 2 | Read | Alarmu state 2 |
| 819 | 818 | 0x332 | Alarm 3 | Read | Alarmu state 3 |
| 820 | 819 | 0x333 | Alarm 4 | Read | Alarmu state 4 |
| 821 | 820 | 0x334 | Alarm 5 | Read | Alarmu state 5 |
| 822 | 821 | 0x335 | Alarm 6 | Read | Alarmu state 6 |
| 823 | 822 | 0x336 | Digital output 1 | Read & Write | State of digital output 1 |
| 824 | 823 | 0x337 | Digital output 2 | Read & Write | State of digital output 2 |
Configuration software
- Modbus Configurator is software that is designed to set the module registers responsible for communication over Modbus network as well as to read and write the current value of other registers of the module. This program can be a convenient way to test the system as well as to observe real-time changes in the registers.
- Communication with the module is done via the USB cable. The module does not require any drivers.
Configurator is a universal program, whereby it is possible to configure all available modules.
ABOUT COMPANY
- Manufactured for:
- ASPAR s.c.
- ul. Oliwska 112
- 80-209 Chwaszczyno
- POLAND
- ampero@ampero.eu
- www.ampero.eu
- Tel. +48 58 351 39 89; +48 58 732 71 73
Documents / Resources
 |
aspar SDM-6TE 6 Temperatue Inputs Expansion Module [pdf] User Manual SDM-6TE, 6 Temperatue Inputs Expansion Module, SDM-6TE 6 Temperatue Inputs Expansion Module, Temperatue Inputs Expansion Module, Inputs Expansion Module, Expansion Module, Module |
