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The recommended torque to be used on the terminal block connections is 5.93 in-lbs (0.67 Nm). The 62-0245—01 2 SOLID CORE AND SPLIT CORE 4-20 MA OUTPUT CURRENT SENSORS SOLID CORE AND SPLIT CORE 4-20 MA OUTPUT CURRENT SENSORS BUILDING AUTOMATION SYSTEM COMMON + 4-20 MA SIGNAL INPUT GND (SHIELD) + – +12-30 VDC DC POWER SUPPLY + – M23934 Fig. 6. Wiring example OPERATING SPECIFICATIONS Max Sensing Current Voltage: 600 Vac Table 1. Specifications by Product Number Product Number Core Type Output Range Jumpera Max. Current Continuous Max. Current for 6 secs. CTS-20-005-AVG-001 Solid 4-20 mA Average 0-5 Amps Fixed None 100 Amps 125 Amps CTS-20-050-AVG-001 Solid 4-20 mA Average 0-10 Amps 0-20 Amps 0-50 Amps Low Middle High 100 Amps 150 Amps 200 Amps 125 Amps 225 Amps 300 Amps CTS-20-250-AVG-001 Solid 4-20 mA Average 0-100 Amps 0-200 Amps 0-250 Amps Low Middle High 200 Amps 360 Amps 400 Amps 250 Amps 450 Amps 500 Amps CTS-20-005-VFD-001b Solid 4-20 mA True RMS 0-5 Amps Fixed None 60 Amps 100 Amps CTS-20-050-VFD-001b Solid 4-20 mA True RMS 0-10 Amps 0-20 Amps 0-50 Amps Low Middle High 60 Amps 100 Amps 160 Amps 80 Amps 200 Amps 300 Amps CTS-20-250-VFD-001b Solid 4-20 mA True RMS 0-100 Amps 0-200 Amps 0-250 Amps Low Middle High 160 Amps 320 Amps 400 Amps 200 Amps 400 Amps 500 Amps CTP-20-005-AVG-001 Split 4-20 mA Average 0-5 Amps Fixed None 100 Amps 125 Amps CTP-20-050-AVG-001 Split 4-20 mA Average 0-10 Amps 0-20 Amps 0-50 Amps Low Middle High 100 Amps 150 Amps 200 Amps 125 Amps 225 Amps 300 Amps CTP-20-200-AVG-001 Split 4-20 mA Average 0-100 Amps 0-150 Amps 0-200 Amps Low Middle High 135 Amps 180 Amps 250 Amps 200 Amps 300 Amps 400 Amps CTP-20-005-VFD-001b Split 4-20 mA True RMS 0-5 Amps Fixed None 60 Amps 100 Amps CTP-20-050-VFD-001b Split 4-20 mA True RMS 0-10 Amps 0-20 Amps 0-50 Amps Low Middle High 60 Amps 100 Amps 160 Amps 80 Amps 200 Amps 300 Amps CTP-20-200-VFD-001b Split 4-20 mA True RMS 0-100 Amps 0-150 Amps 0-200 Amps Low Middle High 135 Amps 180 Amps 250 Amps 200 Amps 300 Amps 400 Amps a All current sensors are shipped from the factory with the jumper set in the high range. b All VFD models have True RMS outputs and should be used with Variable Frequency Drives. Not CE compliant at this time. 3 62-0245—01 SOLID CORE AND SPLIT CORE 4-20 MA OUTPUT CURRENT SENSORS SOLID CORE AND SPLIT CORE 4-20 MA OUTPUT CURRENT SENSORS Problem Solution No reading • Confirm that you have +12 to 30 Vdc in series with the current sensor output terminals and the analog input of the control panel. • Check the polarity of the circuit. • Verify that the terminals are screwed down, wires are firmly in place. • Disconnect the input to the control panel and then insert a current meter (mA range) in series with the current sensor output to verify that the circuit is working properly. Erratic readings • Verify that the wires are terminated properly. • Check that the +12 to 30 Vdc input is clean. In areas of high RF interference, shielded cable may be necessary to stabilize signal. Inaccurate readings • If you suspect that the current sensor is not reading within the accuracy specifications, please contact the factory for assistance. CURRENT CONVERSION FORMULA To convert the current sensor output signal to a current reading. Current reading = mA output/20 mA x Amp Span. For example: For a reading of 4 mA with a 0-250 Amp span: Current reading = (4 mA/20 mA) x 250 A = 0 Amp. (0/16) X 250 = 0 NOTE: 4mA = 0 Amps 20 mA = 250 Amps Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitee 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered Trademark © 2007 Honeywell International Inc. 62-0245—01 C.H. Rev. 06-07 ...
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