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INST.№ INE-305B
◆ Read this instruction manual carefully to use your controller safely and avoid troubles.
◆ If your controller is with optional communications interface, read the separate instruction manual (INE-314),
Checking of Model
Check Model No. of your controller and
its specifications.
■Model code
■Front view
Notes on safety
1. Installation to a panel
2. Before wirings
3. Terminal arrangement
4. Troubleshooting/Maintenance
■ Model code
You can check it by keys. → 4. Refer to Troubleshooting/Maintenance.
①②③④⑤
L T 3 5 □□□□□0―□□□
L T 3 7 □□□□□0―□□□
① Input signal
0: Universal input
3: Universal input for high temperature
② Control output 1 (heating)
1: On-off pulse type
3: Current output type
5: SSR drive pulse type
6: Voltage output type
③ Control output 2 (cooling) (option)
0: None
1: On-off pulse type
5: SSR drive pulse type
* This option is to be combined with the
additional event. Specify "1" or "3" at
* Heater disconnection (CT) is available only when Control output 1 is pulse types.
LT300 series
Digital Indicating Controller
No.
Make sure to pass this instruction
manual to final customers.
■Accessories/parts
⑥⑦⑧
... Size: 48 x 96 (mm)
... Size: 96 x 96 (mm)
④ Comm. IF+Remote contacts input(option)
0: None
1: 2 points of remote contacts input
R: RS-232C+DI2
A: RS-422A+DI2
S: RS-485+DI2
⑤ Retransmission output (option)
0: None
1: 4 to 20mA
2: 0 to 1V
3: 0 to 10 V
* This option is to be combined with the
additional event. Specify "1" or "3" at
⑥.
To agents or distributors
CONTENTS
1
5. Specifications
1
6. Parameter directory
1
7. List of parameters
1
8. Description of parameters
2
9. Setting of parameters
2
10. Operation
2
11. Event mode and output
Model LT350.
Model LT370.
⑥.
Instruction Manual
too.
To our valuable customers
Keep this instruction manual until
disposing of your
controller.
⑥ Additional event + CT (option)
0: None
1: 2 points of event out
3: 2 points of event＋
heater disconnection (CT) *
⑦ Water-proof (option)
0: None
1: NEMA250 4X (equivalent to IP66)
⑧ Power supply
A: 100 to 240VAC
D: 24VDC
2
3
3
3
4
4
4
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Summary of Contents for Chino LT300 Series
- Page 1 INST.№ INE-305B LT300 series Digital Indicating Controller Instruction Manual ◆ Read this instruction manual carefully to use your controller safely and avoid troubles. ◆ If your controller is with optional communications interface, read the separate instruction manual (INE-314), too. Checking of Model...
- Page 2 32-8, KUMANO-CHO, ITABASHI-KU, TOKYO 173-8632 Telephone : + 81-3-3956-2171 Facsimile : + 81-3-3956-0915 E - m a i l : inter@chino.co.jp W e b s i t e : http://www.chino.co.jp/ INE-305B June'02 LT300 (3rd edition) Printed in Japan ■ Front view ■...
- Page 3 ・I nstall your controller apart from equipment generating CHINO are prohibited to repair, modify or disassemble strong magnetic field, electrical field or high frequency. your controller.
- Page 4 1. Installation to a panel To avoid electrical shock, make sure to turn off the power supply and then install your controller to a Caution panel. ∙ Installation condition ・ Installation angle: Within 10º for forward tilting and backward tilting, and ・Thickness of panel: Steel sheet of 1 to 10mm within 15º...
- Page 5 2. Before wirings ① To avoid electrical shock, make sure to turn off the power supply and then work all wirings. CAUTION ② Work all wirings by only personnel who have basic knowledge of wiring and experienced the actual works. 1.
- Page 6 3. Terminal arrangement Line A Line B Line C ●LT350 ●LT370 ① ⑪ Ａ Ｂ Ｃ Ａ Ｂ Ｃ Retransmission output Input ② ⑫ Communications ③ ⑬ interface Control output 2 ④ ⑭ Event output (EV1) ⑤ ⑮ ⑥ ⑯ CT input Control ⑦...
- Page 7 “PV error output” If it is still in trouble, contact your agent of Fail → ON Calibration data CHINO Corporation. Control continued *2 abnormal *1: Control continues without reference junction compensation. *2: Control continues on non-calibration condition. 4.3 Control at power recovery 1) Short power interruption For the short power interruption within 20msec, the normal operation continues.
- Page 8 5. Specifications 4) Event specification 5.1 Standard specifications Event calculation: 3point 1) Input specifications Output point: Transistor output 1point (EV1) Input type: T/C … B, R, S, N, K, E, J, T, U, L ,WRe5 - WRe26, Relay output, 2 points (EV2, EV3) (option) W - WRe26,PtRh40 - PtRh20,PlatinelⅡ...
- Page 9 6.PARAMETER DIRECTORY [Setting Mode] [Operation Mode] Some modes appeared by a password Op. screen Ａ PV/(blank) Ａ Mod.0 Mod.1 Mod.2 Mod.3 Mod.4 Mod.5 Mod.6 Mod.7 Mod.8 Mod.9 Mod.A Ｂ PV/SV StUP Evnt InPt trnS Setting up Engineering PID cons. Event output Control output Input comm.
- Page 10 7. List of parameters Mode Mode Parameter Symbol Setting range Default Parameter Setting range Default Symbol № № Run/ready rUn/redy 1 to 16,18 Input type SV No. select 1 / 2 → List of input types Auto-tuning End/Strt Engineering unit ºC/ºF Target value filter oFF/on...
- Page 11 8. Description of parameters This chapter describes parameters requiring explanation. Parameter Function Parameter Function For selection of control output For selection of engineering unit (ºC or ºF) for Preset-out value is displayed in Engineering converting into temperature when thermocouple ･･･ unit or resistance thermometer is selected as the input “OUT”.
- Page 12 9. Setting of parameters 9.1 LED display of alphabetical characters Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ Ｋ Ｌ Ｍ Ｎ Ｏ Ｐ Ｑ Ｒ Ｓ Ｔ Ｕ Ｖ Ｗ Ｘ Ｙ Ｚ 9.2 Settings Note Start to set from Mode 0. Make sure to set in the order of parameters in Mode 0 (setup).
- Page 13 ■ List of input types Selection Symbol Input type Accuracy Input type Detailed specification ratings Standard High temp. ºC ºF Less than 400ºC: not specified to 1820 32 to 3300 Less than 800ºC: ±0.5% 32 to 3200 to 1760 Less than 400ºC: ± 0.5% ± 1 32 to 3200 digit to 1760...
- Page 14 10. Operation Control output Auto-tuning ４ １ “Run” or “Ready” * is selectable in control output. 1) Auto-tuning ① ”Run/Ready” is in Operation mode or Mod E.1. This function is for automatic tuning of PID constants. ② Press to select “ ”...
- Page 15 11.Event mode and output Event set value View- Judgment output only with standby set to “OFF” ① Symbol point Judgment output not related to “ON/OFF” of standby ① ② ② Event deadband Event mode Event mode Set value and output Set value and output [Mode No.] [Mode No.]...
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