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This series of products using the latest microcontroller technology research and develop new products, it can be with different index number of thermocouple, heat resistance temperature sensor etc, with other DDZ - III, the DDZ - of type II electric unit combination instrument control system.Is now widely used in industrial production process temperature signal conversion in various fields.
Product technical parameters
| The name says | Said Ming | |
| The basic value error | ≤0.5%FS±1dig | |
Lose, Out of the , sex | Relay output | 3A/220VAC、3A/24VDC Relay output contact perceptual load, load on both ends must meet spark absorbing circuit;And load capacity. |
| Simulation of analog output (DC) | The 0 ~ 10 ma (load resistance < 1.5 K Ω);4 ~ 20 ma (load resistance < 750 Ω);0 ~ 5 v (load resistance Ω 1 k or higher);1 ~ 5 v (load resistance Ω 1 k or higher) | |
| The power output | 24 VDC / 50 ma or 24 VDC / 100 ma (two way) power output | |
| Communication interface | Interface standards | RS485 (the user can specify the RS232) |
| Transmission way | Half duplex | |
| The frame format | One start bit, 8 data bits, one stop bit | |
| Transfer rate | From 300 to 9600 BPS, parameters can be set | |
| Online number | Up to 31 units, address parameter can be set | |
| The network structure | Lines to 3 (or 2) multiple computer communication network | |
| The internal temperature compensation | 0 ~ 50 ℃ (< 0 ℃ when compensation according to 0 ℃) | |
| Using the environment | The environment temperature | 0 ~ 50 ℃ |
| Environmental humidity | ≤90%RH | |
| Power supply | Power supply | 220 ac, 220 vac (switching power supply) 24 VDC (switching power supply) or the user's special requirements |
| Power consumption | ≤6W | |
| Heavy volume | ≤400g | |
This series product main characteristics and functions:
1, through a simple set of software and hardware, then the input index number, range, output signal types to choose parameters, such as setting, all set parameters can be permanent, and does not lose data when power supply drop.
2, can with isolated serial communication interface, transmission rate can be set free by buttons, with various input/output communication function of the two-way communication equipment, and network control system.
3, the setting parameters and test parameters available password lock, lock code can prevent wrong operation
Product selection table
| Type spectrum | Said Ming | ||||||||
| Type no. | DBW- | Product model | |||||||
| The class type | 1 | Single loop | |||||||
| 2 | Double circuit | ||||||||
| The input signal | XY | X = 1, Y = 2 (see table 1) | |||||||
| The output signal | XY | X = 1, Y = 2 (see chart 2) | |||||||
| The power supply mode | A | 220 vac power | |||||||
| D | 24 VDC power supply | ||||||||
| Communication methods | P | With RS485 communication interface | |||||||
| Shape structure | B | - | Wall hung | ||||||
| c | - | Guide cartridge | |||||||
| G | - | Frame pole loading | |||||||
| Measuring range | Measuring range (user-defined) | ||||||||
The input signal types (table 1) :
| The signal code | Input points, | Measuring range | unit | For note |
| 1 | Thermal resistance Cu50 | 50.0 ~ 150.0 | ℃ | Thermal resistance current: 0.25 mA (100 Ω / 0 ℃) The biggest lead resistance: 10 or less Ω |
| 2 | Thermal resistance Cu100 | 50.0 ~ 150.0 | ||
| 3 | Thermal resistance Pt100 | 199.9 ~ 500.0 | ||
| 4 | Thermocouple B | 0 ~ 1800 | Below 400 ℃ regardless of the accuracy of measurement | |
| 5 | Thermocouple S | 0 ~ 1600 | Below 200 ℃ regardless of the accuracy of measurement | |
| 6 | Thermocouple E | - 100 ~ 600 | B: not measuring accuracy under 400 ℃ S: not measuring accuracy under 200 ℃ R: not under 200 ℃ measurement precision Input resistance: Ω 106 or higher The biggest lead resistance: Ω 100 or less | |
| 7 | Thermocouple K. | 0 ~ 1300 | ||
| 8 | Thermocouple J | - 100 ~ 1000 | ||
| 9 | Thermocouple T | - 100 ~ 400 | ||
| A | Thermocouple R | 0 ~ 1700 | ||
| B | Thermocouple N | 0 ~ 1300 | ||
| C | WRe3-WRe25 | 0 ~ 2300 | ||
| D | WRe5-WRe26 | 0 ~ 2300 |
Output signal types (table 2) :
| code | Said Ming |
| 10 | The first primary circuit 0 ~ 10 ma output, the second loop without output |
| 20 | The first time road 4 ~ 20 ma output, the second loop without output |
| 11 | The first and second loop: 0 ~ 10 ma output |
| 21 | The first time road 4 ~ 20 ma output, the second loop 0 ~ 10 ma output |
| 12 | The first time road 0 ~ 10 ma output, the second loop 4 ~ 20 ma output |
| 22 | The first and second loop: 4 ~ 20 ma output |
