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ZHYQ Pressure indicator N70/N80/N90 series

ZHYQ Pressure indicator N70/N80/N90 series
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ZHYQ Pressure indicator N70/N80/N90 series - 1

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. （1）N70/N80/N90 description N70/N80/N90 pressure indicator is a 1/8 DIN or ¼ DIN, panel-mount, dual 4-digit indicator, which takes the advantage of latest state-of-art technology and comes in small-size, light-weight and in low-power. This pressure indicator has been specifically designed for use with mv/Volt output transducers from different famous manufacturers such as Dynisco, Gefran, ONEhalf20 and so on. This series indicator can match ZHYQ’s melt pressure transducer also. （2）N70/N80/N90 Indicator Specification Display Resolution LEDs Input Sensibility Sampling Speed Excitation Voltage All Output Relays Retransmission Communication Alarm Range Temperature Humidity Calibration Power Supply Panel Cutout Dual 4-digit Green and Red LEDs 0.2% FSO ± 1 Out, Alarm-1, Alarm-2, CALibration 2.5mv/V or 3.3 mv/V (automatic selection) 20 per second +9 VDC (output to transducer) Relay 220V 1A 4~~20 mA standard current loop RS-485 MODBUS( PY500 Only) 0001 – 9999 PSI or Bar (configurable) 0 - 55°C <= 80% RH 80% FSO (Full Scale Output) 110/220VAC or +24VDC (designated while purchasing) N70: 96mm x 96mm x 100 mm (W x H x D) N80: 96mm×48mm×100 mm (W x H x D) N90: 48mm×96mm×100 mm (W x H x D) N70: 92mm x 92mm N80: 92mm×44mm N90: 44mm×92mm 400(Maximum) grams

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ZHYQ Pressure indicator N70/N80/N90 series - 2

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. （3）N70/N80/N90 Indicator Panel description N70

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ZHYQ Pressure indicator N70/N80/N90 series - 3

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. （4）N70/N80/N90 Pressure Indicator Manual (1) “OUT” LED turns on when the pressure is not less than the OUT setting value. “AL-1” LED turns on when the pressure is not less than the AL-1 setting value. “AL-2” LED keeps reserved. (2) “CAE” LED truns on when the is pressed for checking the calibration. (3) PV window displays the actual pressure value. (4) SV windows displays the OUT setting value. (5) key: to clear the pressure value when it is under setting and no load is on (6) key: to check the calibration value (80% of Full Scale Output). (7)...

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ZHYQ Pressure indicator N70/N80/N90 series - 4

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. （6）N70/N80/N90 Indicator Module description There are three kinds of Modules: 1. Relay output module 2. Current output module ( 4-20mA) , configurable into (0-20mA), (0-10V ) with 500ohm(1% accuracy) resistor in the current loop. 3. Communication module (RS-485). 1. Relay Output Module One main OUT relay has 3 connection terminals with SPDT NC/NO. Alarm-1 output relay is either NO or NC, determined by the Jumper selection on the CON1 beside the relay inside. NO State when having the short circuit piece between B,C(Factory default).NC State when...

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ZHYQ Pressure indicator N70/N80/N90 series - 5

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. （7） N70/N80/N90 DIGITAL INDICATOR OPERATION FLOW CHART Main display state SET 3 S Meter is 0 AC Set main value of alarm OUT Proofread and correct signal demarcate Back to main display state 0 full ranges demarcates ESCL Select type AL-1 （J.I） Menu Current lower limit dL Back to main display state Current upper limit dL Current lower limit dL Current upper limit dH Machine number Baud rate Protocol Set strain wave constant gl Set position of decimal point Display internal code Lock selection www.zhyqsensor.com

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ZHYQ Pressure indicator N70/N80/N90 series - 6

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. Remarks: 1. In this flow chart. If you press set for 3 second at anytime, it can be back to main display state. 2. *1menu when the selection “I” for AL-1 type, it does not exist .*2menu when the selection “I” for AL-1 type it dees not exist 3 The main siaplay state is the PV/SV display OF for the meter after electric correct discocation. （二）THE FUNCTION OPERATION EXPLAINstatePY500/PY500H/PY500S DIGITAL INDICATOR Main menu Upper reset SET SET 3S In the showing of PV/SV, enter into OUT set by passing the key SET. It can be modified when you press...

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ZHYQ Pressure indicator N70/N80/N90 series - 7

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. This window is used to select of the passage of AL-1. It can be modified via ∧ . When you choose “J”, the passage of Al-1 is relay output. This window is used to set The lower Limit of AL-1 Current lower limit dL . Passage electric correct The front two numbers can be modified By moving >∧∨. This window is used to set the This window is used to set the upper Limit of AC-1 . Current upper limit dH alarm value Loop difference of passage electric correct. The front two numbers modified By pressing > ∧ ∨ key. The loop difference value is less than...

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ZHYQ Pressure indicator N70/N80/N90 series - 8

Shanghai Zhaohui Pressure Apparatus Co.,Ltd. （8）MAINTENANCE The operating temperature is 0-55℃, the relative humidity is no more than 80%RH , it can be used in the conditions without dirt or corrosive gas . it can be free repaired within 12 months since leaving our factory . if there is something wrong with the use of customer or the beyond the maintenance , we should charge for the service of repair . （9）Indicator Model Ordering guide Panel Cutout Size 96*96 96*48 Number of Display Digits Alarms 3 Alarm relay Retransmission

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