Proline Promass 83E/F/O Modbus RS485 Operating Instructions

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TroubleshootingProline Promass 83 Modbus RS485#Warning!"Caution!Wall-mount housing• Risk of electric shock. Exposed components carry dangerous voltages. Make sure that the powersupply is switched off before you remove the cover of the electronics compartment.• Risk of damaging electronic components (ESD protection). Static electricity can damage electroniccomponents or impair their operability. Use a workplace with a grounded working surfacepurpose-built for electrostatically sensitive devices!• If you cannot guarantee that the dielectric strength of the device is maintained in the followingsteps, then an appropriate inspection must be carried out in accordance with the manufacturer’sspecifications.Use only original Endress+Hauser parts.Installing and removing printed circuit boards å 52:1. Loosen the screws and open the hinged cover (1) of the housing.2. Loosen the screws securing the electronics module (2). Then push up electronics module andpull it as far as possible out of the wall-mount housing.3. Disconnect the following cable plugs from amplifier board (7):– Sensor signal cable plug (7.1) including S-DAT (7.3)– Connector of exciting current cable (7.2):Gently disconnect the plug, i.e. without moving it back and forward.– Ribbon cable plug (3) of the display module4. Remove the cover (4) from the electronics compartment by loosening the screws.5. Remove the boards (6, 7, 8):Insert a thin pin into the hole (5) provided for the purpose and pull the board clear of its holder.6. Remove submodules (8.2) (optional):No tools are required for removing the submodules (outputs) from the I/O board. Installationis also a no-tools operation." Caution!Only certain combinations of submodules on the I/O board are permissible ä 31.The individual slots are marked and correspond to certain terminals in the connectioncompartment of the transmitter:"INPUT / OUTPUT 3" slot = terminals 22/23"INPUT / OUTPUT 4" slot = terminals 20/217. Installation is the reverse of the removal procedure.Page 104 • MN0M030Issue/Rev. 0.2 (12/12)
Proline Promass 83 Modbus RS485TroubleshootingFig. 52:Wall-mount housing: removing and installing printed circuit boards1 Housing cover2 Electronics module3 Ribbon cable (display module)4 Screws of electronics compartment cover5 Aperture for installing/removing boards6 Power unit board7 Amplifier board7.1 Signal cable (sensor)7.2 Excitation current cable (sensor)7.3 S-DAT (sensor data memory)7.4 T-DAT (transmitter data memory)8 I/O board (flexible assignment)8.1 F-CHIP (function chip for optional software)8.2 Optional: pluggable submodules (current output, pulse/frequency output and relay output)Issue/Rev. 0.2 (12/12) MN0M030 • Page 105
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Proline Promass 83 Modbus RS485Tabl
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The specifications contained herein
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Proline Promass 83E/F/O Modbus RS485 Operating Instructions

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