GE 469 Instruction Manual

Also see for Masoneilan 469 Series: Instruction manual Instruction manual Communications guide Instruction manual Instruction manual

Contents

2–6 469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUALCHAPTER 2: INTRODUCTION2.2 SpecificationsSpecifications are subject to change without notice.2.2.1 InputsANALOG CURRENT INPUTSInputs: ..................................................................0 to 1 mA, 0 to 20mA, or 4 to 20 mA (settings)Input impedance: ..........................................226 Ω ±10%Conversion range: .........................................0 to 21 mAAccuracy:............................................................±1% of full scaleType: .....................................................................passiveAnalog in supply: ...........................................+24 V DC at 100 mA max.Response time: .....................................≤100 msDIFFERENTIAL CURRENT INPUTSCT primary: ........................................................1 to 5000ACT secondary: .................................................1 A or 5 A (settings)Burden:................................................................<0.2 VA at rated loadConversion range: .........................................0.02 to 1 × CT primaryNominal frequency: ......................................20 to 70 HzFrequency range: ..........................................20 to 120 HzAccuracy:............................................................±0.5% of 1 × CT for 5 A±0.5% of 5 × CT for 1 ACT withstand: ..................................................1 second at 80 × rated current,2 seconds at 40 × rated current, continuous at 3 × ratedcurrentDIGITAL INPUTSInputs: ..................................................................9 opto-isolated inputsExternal switch: ..............................................dry contact < 400 Ω, or open collector NPN transistorfrom sensor; 6 mA sinking from internal 4 KΩ pull-up at24 V DC with Vce < 4 V DCSee Digital Inputs on page 2–10 for additional specifications.GROUND CURRENT INPUTSCT primary: ........................................................1 to 5000 ACT secondary: .................................................1 A or 5 A (settings)Burden:................................................................<0.2 VA at rated load for 1 A or 5 A; <0.25 VA for 50:0.025CTsat 25 AConversion range: .........................................0.02 to 1 × CT primaryNominal frequency: ......................................20 to 70 HzFrequency range: ..........................................20 to 120 HzAccuracy:............................................................±0.5% of 1 × CT for 5 A CTs±0.5% of 5 × CT for 1 A CTs±0.125 A for 50:0.025 CTsCT (1 A/5 A) withstand: .................................1 second at 80 × rated current,2 seconds at 40 × rated current, continuous at 3 × ratedcurrentCT (50:0.025) withstand: ..............................continuous at 150 mAPHASE CURRENT INPUTSCT primary: ........................................................1 to 5000 A