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温度继电器型号 TR122DA T224126 T224127
TR122DA T224126 T224127带预警和报警
TR122DA T224126 T224127Pt100(电阻式温度检测器)和电阻用传感器
Order-number
T224127
no analog output无模拟量输出
T224126
with analog output带模拟量输出
产品描述
转换继电器 (型号TR122D和TR122DA)监测2路限制输入信号,TR122DA把测量到的温度/电阻值转换成一个成比例的直流电流。
TR122D(A)的应用如下:
用于机器和工厂的温度监测,带预警和报警功能。
控制温度,例如用于天然气管道加热或者工厂冷却。
用作Pt100(电阻式温度检测器)和电阻(仅TR122DA)的传感器。
功能概述
1个输入传感器, Pt100(电阻式温度检测器) 或者电阻
测量范围:-199...850°C / 0...850 分辨率:0,1 °C / 范围: -19,9...99,9 °C / 0-99,9
2个继电器输出: (每个有1个转换触点)
1个模拟量输出0/4-20 mA(可调比例)(仅TR122DA,与输入不可能分离)
通用电源AC/DC 24-240V
存储和显示测量的*小值和*大值
技术参数
Power Supply电源供应
Rated supply voltage Us额定电源电压Us
AC/DC 24 – 240 V, 0 / 50 / 60 Hz < 3 W < 5 VA
交流/直流24 – 240 V, 0 / 50 / 60 Hz < 3 W < 5 VA
Tolerance公差:
DC 20,4 - 297 V,
AC 20 - 264 V
Output输出
Relay output继电器输出
2 x 1 change-over contact (CO) 2个继电器,每个有1个转换触点。
Switching voltage转换(开关)电压 max. AC 415 V
Switching current转换(开关)电流 max. 5 A
Switching capacity转换(开关)容量
max. 1250 VA (ohmic load电阻负载)
max. 48 W at DC 24 V
Reduction factor for cos ϕ 0,7 3-wire, max. resistance 3 x 25 Ω
Nominal operational current Ie
AC15
Ie = 1 A ..... Ue = 400 V
Ie = 2 A ..... Ue = 250 V
DC13
Ie = 2 A ..... Ue = 24 V
Ie = 0,2A ..... Ue = 125 V
Ie = 0,1A ..... Ue = 250 V
Recommended fuses for contacts T 3,15 A (gL)
Expected life mechanical 1 x 107switching cycles
Expected life electrical
1 x 105switching cycles at AC 250 V / 5 A
2 x 105switching cycles at AC 250 V / 3 A
6 x 105 switching cycles at AC 250 V / 1 A
Test conditions (EN 50178 / EN 60 947)
Rated impulse voltage 4000 V
Contamination level 3
Rated insulation voltage Ui 250 V
On-time 100 %
Rated ambient temperature range -20 °C ... +60 °C (EN 60068-2-1 dry heat)
EMV – interference resistance EN 61000-6-2
EMV – emitted interference Vibration resistance EN 60068-2-6
Sensor connection
Measuring time tM
< 2,5 s
< 5 s in case of changes > 5 K or < 1 K
< 15 s in case of sensor error
Tolerance ±0,3 % of measured value ±0,5 K
Sensor current ≤0,8 mA
Temperature drift <0,04°C/K
Analog output
Current output 0/4-20 mA
max. 500 Ώ, Precision 0,3 % of Full-Scale
Temperature drift < 0,015 %/K
Error from impedance
(250Ώ - load)/250Ώ * 0,3 % of current
At error short circuit Er1 output 0 mA
Other errors output 22 mA
Housing Design S12
Dimensions (height x width x depth) 82 x 42 x 121 mm
Wire connection, one wire 12-pole, each 2 x 1,5 mm2
Protection class housing IP 40
Protection class terminal IP 20
Mounting position any
Installation
Snap mounting on DIN-rail 35 mm
According to EN 60715 or screws M4
Weight app. 250 g