Instruction/ maintenance manual of the product DTB Series B&B Electronics
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http: //www.del ta.com .tw/i ndustr ialau tomation / DEL T A T emperature Controller DTB Series User Manual.
1 B Series Temperature Controller User Manual 1 Precaution DANGER! Caution! E lectric Shock! 1. Do not touch th e AC terminals w hile the power is sup plied to the controller to prevent an electric s hock. 2. Make sure pow er is disconnected while checking th e unit insi de.
2 4 Specifica tions 5 T emperature Sensor T ype and T emperature Range Input T emperature Sensor T ype Register V alue LED Display T emperat ure Range 0~50mV Analog Input 17 -999 ~ 9999 4~20mA Analog .
3 6 Operation There are three modes of operation: operation, regulation and in itial setting. When power is applied, controller gets into the operation mode. Press the key to switch to regulation mode. If the key is pressed for more than 3 seconds, c ontroller will switch to t he initial setting mode.
4 T ime setting for valve from full close to full open. (Displa y when valve cont r ol is ON) Pr ess D ispl ay and ad jus t out put va lu e of 1st o utp ut gr oup (Di s pla y in PID con tr ol mode and man ual RU N m o d e) Press ASCII, RTU com mun ication format select io n Press Pr e s s V alv e Dea d B and setti ng.
5 7 Dual Loop Output Control (Heating / Cooling Contr ol) OF F PV Set p oint ON He atin g De ad ban d He ati n g h yst eresi s Fi gure 1. O utp ut d uri ng dua l l oo p out put con t ro l oper ation o.
6 8 Alarm Output s There are up to three groups of alarm outputs and each group allows thirteen alarm types in the initial setting mode. The alarm output is activated whenever the process temperature value (PV) is getting higher or lo wer than the set point of alarm limit.
7 9 Current T ransformer (CT) Function The Current T ransformer ( CT) function is used with the alarm out put. When using a current transforme r (CT) with the controller , change the corresponding alarm output mode to mode 13 (alarm output set value is 13), then turn to operation mode and set the current lowe r-limit and current upper-limit.
8 13 RS-485 Communication 1. Supporting transmission speed: 2400, 4800, 9600, 19200, 38400bps 2. Non-supported formats: 7, N, 1 or 8, O, 2 or 8, E, 2 3. Communication protocol: Modbus (ASCII or RTU) 4. Function code: 03H to read the contents of register (Max.
9 1030H S tart pattern number 0 ~ 7 1040H~ 1047H Actual step number setting inside the correspond pattern 0 ~ 7 = N, indicate that this pattern is executed from step 0 to step N 1050H~ 1057H Cycle num.
10 14 Panel Cutout and T erminals Identification Panel Cutout ( dimensions are in millimeter and inch) T ermi nals Identification DTB4824 65 .0 m in. (2. 56) 4 0 . 0 m i n . ( 1 . 5 8 ) 44 .8 (1. 76) 2 2 . 0 ( 0 .8 7 ) +0.6 -0 +0.02 -0 + 0 . 6 - 0 + 0 .
11 15 External Dimensions Dim ensions are in millimeter (inch) DTB4824 DTB4848 48.0 mm (1.89 in) 2 4 . 0 m m ( 0 . 9 4 i n ) 3.4 mm (0.13 in) 99.8 mm (3.93 in) 2 1 . 8 5 m m ( 0 . 8 6 i n ) 44.75 mm (1.76 in) 2 2 . 0 m m ( 0 . 8 7 i n ) 44.8 mm (1.
12 16 Mounting Mounting Method Mounting Bracket Installation CT Wiring Method (if C T function is selected) S tep 1 : Insert t he controller through the panel cutout.
An important point after buying a device B&B Electronics DTB Series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought B&B Electronics DTB Series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data B&B Electronics DTB Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, B&B Electronics DTB Series you will learn all the available features of the product, as well as information on its operation. The information that you get B&B Electronics DTB Series will certainly help you make a decision on the purchase.
If you already are a holder of B&B Electronics DTB Series, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime B&B Electronics DTB Series.
However, one of the most important roles played by the user manual is to help in solving problems with B&B Electronics DTB Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device B&B Electronics DTB Series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
