ABB ACH550-UH User Manual
Also see for ACH550-BCR: Installation, operation & maintenance manual
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Contents
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1-62 ACH550-UH User’s ManualApplication macrosDual Setpoint with PID and Constant SpeedsThis macro configures for applications with 2 constant speeds, active PID and PIDalternating between two setpoints using digital inputs. Set PID setpoints (internal tothe drive) using parameters 4011 ( SET1) and 4111 ( SET2). The digital input DI3selects the setpoints.Parameters Changed Relative to HVAC DefaultParameter Value Parameter Value9902 APPLIC MACRO 12 (DL SP PID CS) 4010 SET POINT SEL 19 ( INTERNAL )1102 EXT1/ EXT2 SEL 2 ( DI2) 4011 INTERNAL SETPNT 50.0%1201 CONST SPEED SEL 10 (DI4, 5) 4027 PID 1 PARAM SET 3 ( DI3)1608 START ENABLE 1 0 ( NOT SEL) 4110 SET POINT SEL 19 ( INTERNAL )2108 START INHIBIT 1 ( ON ) 4111 INTERNAL SETPNT 100.0%1 SCR2 AI13 AGND4 10V5 AI26 AGND7 AO18 AO29 AGND10 24V11 GND12 DCOM13 DI114 DI215 DI316 DI417 DI518 DI619 RO1C20 RO1A21 RO1B22 RO2C23 RO2A24 RO2B25 RO3C26 RO3A27 RO3BX1+mAmAExternal reference 0(2)…10 V or 0(4)…20 mAReference voltage 10 VDCOutput frequency: 0(4)…20 mAStart/Stop: Activate to start drivePresets/PID selection: Activate to select PID (P 1102)Setpoint selection: Activate to select Set2 (P 4027)Preset speed 1 (P 1201)Preset speed 2 (P 1201)Relay output 1 (P 1401)Default operation: Ready =>19 connected to 21Relay output 2 (P 1402)Default operation: Running =>22 connected to 24Relay output 3 (P 1403)Default operation: Fault (-1) =>25 connected to 27Output current: 0(4)…20 mANot configuredAnalog input circuit commonPID feedback: 0(2)…10 V or 0(4)…20 mAAnalog output circuit commonAuxiliary voltage output +24 VDCAuxiliary voltage output commonDigital input common for allSignal cable shield (screen)Analog input circuit common(Fault => 25 connected to 26)+J1AI1: 0(4) …20 mAAI2: 0(4) …20 mAONJ1 Jumper SettingsONON1 2J1 |
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