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Doc. No. DIQ-69200-OM002-B
P R O D U C T
N A M E
High Pressure E/P Regulator
MODEL/ Series/ Product Number
ITVH Series
● Install and operate the product only after reading the Operation Manual carefully and
understanding its contents.
● Specifically, read the safety instructions carefully.
● Keep this operation manual available whenever necessary.
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Summary of Contents for SMC Networks ITVH Series
- Page 1 P R O D U C T N A M E High Pressure E/P Regulator MODEL/ Series/ Product Number ITVH Series ● Install and operate the product only after reading the Operation Manual carefully and understanding its contents. ● Specifically, read the safety instructions carefully.
- Page 2 Contents Contents Safety Instructions Handling precautions Wiring method Setting method Key locking function Setting of min. pressure, max. pressure and switch output Mode of switch output Setting of preset pressure Reset function Error indicating function Detail setting mode Gain setting Zero clear Initialize LED display...
- Page 3 High Pressure E/P Regulator Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
- Page 4 High Pressure E/P Regulator Safety Instructions Caution We develop, design, and manufacture our products to be used for automatic control equipment, and provide them for peaceful use in manufacturing industries. Use in non-manufacturing industries is not covered. Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the Measurement Act.
- Page 5 Handling precautions △ Caution ！ If power to this product is cut off due to a power failure, etc. when it is in a controlled state, residual pressure will be retained temporarily. Handle carefully when operating with output pressure released to the atmosphere, as air will continue to flow out.
- Page 6 △ Caution ！ Take the following steps to avoid malfunction due to noise. 1. Install a line filter etc. to the AC power line to reduce / eliminate power supply noise. 2. Avoid malfunction due to noise by installing this product and its wiring away from strong electric fields, such as those of motors and power cables, etc.
- Page 7 Wiring method Wiring diagram (Power supply and input signal) △ Caution ！ ① Proceed carefully, as incorrect wiring can cause damage. ② Use a DC power supply with sufficient capacity and a low ripple. ③ Turn off the power supply to remove and insert the connector. ④...
- Page 8 Wiring diagram（Monitor output） △ Caution ！ When the monitor output is not being used, prevent the unused wires from touching the other wires, as this can cause a malfunction. Analogue output - Voltage type Analogue output - Current (sink) type (ITVH2020-※1) (ITVH2020-※4) 1：...
- Page 9 Setting method △ Caution ！ ① If an incorrect key is pressed or incorrect information is displayed during setting, power must be turned off and the procedure started again. ② It is recommended that the settings are changed without supply pressure. The product operates immediately maximum and minimum pressures are set and the S-key is pressed.
- Page 10 Key locking function △ Caution ！ The keys are locked after turning the power on and can not be operated. Unlocking the keys Key operation LED Display ① (current) pressure is displayed ② Press ▽ key for 2 seconds or more. is displayed ③...
- Page 11 Setting of min. pressure, max. pressure and switch output Key operation LED Display ① Unlock keys (refer to P9) ② Press S-key ⇔ Set the minimum pressure by using the (displayed alternately) ③ △ and ▽ keys. * Adjusting range: Refer to Note 1 to 6 ④...
- Page 12 Mode of switch output The following operation types are available by setting P_1 and P_2. (Note) This function is available for monitor output: switch output type. (ITVH2020-※2, -※3) ■ P_1≧P_2： ■ P_1＜P_2： Window comparator mode Hysteresis mode Output pressure of E/P regulator Switch output ■...
- Page 13 Setting of preset pressure [Preset input type only] Key operation LED Display ① Unlock keys (refer to P9) ② Press S-key ③ Set P_1 by using the △ and ▽ keys. ⇔ (displayed alternately) ④ Press S-key ⑤ Set P_2 by using the △ and ▽ keys. ⇔...
- Page 14 Error indicating function Error name Contents of error Countermeasure display Reduce input signal to within the Over range of Input signal exceeds the rated range and restart the power input signal rated value range. supply. Please execute "Initialize (refer to P15)"...
- Page 15 Gain setting Normal operation does not require the adjustment of gain. The product can change the response time using this gain setting. When the gain is changed to a larger value, the response will be faster, but there is a possibility that stability will be lost.
- Page 16 Initialize "Initialize" is a function to return all the settings that the internal control constant are included to an initial value. Please execute "initialize" only when the error is displayed and this product does not operate at all. Please execute the "Reset" function, when you want to return the pressure setting and the switch setting to an initial value.
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