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Summary of Contents for PPI AOMS-4U
- Page 1 Analog Output Module Process Precision Instruments AOMS-4U / AOMS-8U Vasai Road (E), Dist. Palghar - 401210, 4 / 8 Channels Maharashtra, India DIN-Rail Mount MODBUS over Serial www.ppiindia.net User Manual AOMS-4U AOMS-8U Configuration Tool PPI \ User Manual...
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Page 2: Table Of Contents
Analog Output Module CONTENTS 1. FRONT PANEL & ELECTRICAL CONNECTIONS 2. ANALOG OUTPUT CONFIGURATION 3. MECHANICAL DIMENSIONS 4. CONFIGURING COMMUNICATION PARAMETERS APPENXID-A : ANALOG OUTPUT SIGNAL v/s COUNTS PPI \ User Manual... -
Page 3: Front Panel & Electrical Connections
The Figure 1.1 illustrates Electrical Connection Diagrams. For 4 Channel Version the connectors from AO-5 to AO-8 are not fitted. Figure 1.1 MODBUS over RS485 Serial Interface Supply RS485 20 ~ 34 VDC AO-1 AO-2 AO-3 AO-4 9 10 11 12 13 14 15 16 17 18 19 20 21 PPI \ User Manual... - Page 4 100 ohms/km nominal DC resistance (typically 24 AWG or thicker). Connect the terminating resistor (typically 100 to 150 ohm) at one end to improve noise immunity. Figure 1.4 AOMS-4 Terminating Resistor Module Host (PC/HMI) (100 to 150 Ohms) Twisted RS485 Port Wire Pair 17 (B+) 18 (B-) Serial Comm. Terminals Screened Cable PPI \ User Manual...
- Page 5 “USB to RS485” and “RS232 to RS485” (Refer few images below). Please ensure that the appropriate Device Driver for the selected converter is installed on the Host PC. USB to RS485 RS232 to RS485 PPI \ User Manual...
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Page 6: Analog Output Configuration
This parameter sets the counts corresponding to the maximum signal output level (5/10 V or 10/20 mA). 37 to 40 -30000 to 30000 Holding Register ( Channels) Function Code (0x06 & 0x10) (Default : 1000) 37 to 44 ( Channels) PPI \ User Manual... - Page 7 8 Channel : Bits 8 to 15 are unused - ignore Bit Value Enable / Disable Fail-Safe Disable Fail-Safe Enable 1 to 4 Coils Coil Value Enable / Disable ( Channels) Function Code (0x05 & 0x0F) Fail-Safe Disable Fail-Safe Enable 1 to 8 ( Channels) PPI \ User Manual...
- Page 8 Configuration Parameter (Stored in Non-Volatile memory) This parameter value is applicable to Analog & Digital Output Channels that are Fail-Safe Enabled. 1 to 300 Seconds Holding Register Function Code (0x06 & 0x10) (Default : 10 Seconds) PPI \ User Manual...
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Page 9: Mechanical Dimensions
Analog Output Module Section 3 MECHANICAL DIMENSIONS 22.5 mm 119 mm 101 mm Front View Side View Width (W) 22.5 mm Height (H) 101.0 mm Depth (D) 119.0 mm PPI \ User Manual... -
Page 10: Configuring Communication Parameters
Mode. Figure 4.1 P W R C P U S T O P ST S Slide Switch Set for Configuration Mode Mode Indicator LED N F IG ON : Configuration Mode OFF : Normal Operation Mode PPI \ User Manual... - Page 11 Set the value to match with the host baud rate. 19200 bps 38400 bps (Default : 9600 bps) Parity Value Parity None One of the communication error trapping Even features. Set the data packet parity as implemented by the (Default : Even) host protocol. PPI \ User Manual...
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Page 12: Appenxid-A : Analog Output Signal V/S Counts
, Analog Range Low -2000 , Analog Range High 6000 Y (Analog Output Signal) Signal High 10 V 2.5 V Signal Low 0 V X (Analog Output Counts) -2000 6000 Analog Range Low Analog Range High PPI \ User Manual... - Page 13 Analog Output Module ProcessPrecisionInstruments (AnISO9001:2008Company) 101,DiamondIndustrialEstate,Navghar,VasaiRoad(E),Dist.Palghar-401210,Maharashtra,India Sales:8208199048/8208141446Support:07498799226/08767395333 sales@ppiindia.net www.ppiindia.net Mar 2024 PPI \ User Manual...
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