CD-20SFA Sample Probe Controller Table of Contents Contents Important Safety Information ..........................ii Section 1—Overview ............................5 How It Works ..............................6 Hazardous Location Safety Compliance ...................... 6 Table 1.1—CD-20SFA Specifications ......................7 Section 2—Installation and Wiring........................7 Section 3—Maintenance ............................ 8 Operational Test ............................
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Table of Contents CD-20SFA Sample Probe Controller WARRANTY - LIMITATION OF LIABILITY: Seller warrants only title to the products, software, supplies and materials and that, except as to software, the same are free from defects in workmanship and materials for a period of one (1) year from the date of delivery.
CD-20SFA Sample Probe Controller Section 1—Overview The CD-20SFA Sample Probe Controller is engineered to provide pulse input (flow proportional) control of the True-Cut C-Series sample probe. When a “start” pulse is received, the probe is rotated to capture and discharge an isokinetic sample. When installed in a horizontal line, the probe is stopped in the closed position, while on a vertical line the probe is stopped in the open position.
CD-20SFA Sample Probe Controller The CD-20SFA motor control assembly (Figure 1.2) consists of a control card and power board mounted to a ring, which in turn, is mounted to the back of the CD-20SFA gear motor. All field connections are to terminal block 1TB on the control card.
CD-20SFA Sample Probe Controller Table 1.1—CD-20SFA Specifications 24 VDC 115/230 VAC Temperature -40ºC to 55ºC -40ºC to 55ºC Voltage 24VDC @2A max 115 / 230 VAC @ 1A max Pulse Input 12VDC 12VDC Transistor Output 12VDC max @ 100mA max 12VDC max @ 100mA max Current Draw (Controller) 30 mA...
CD-20SFA Sample Probe Controller Note The input pulse contact must be closed for at least 5 msec to produce a start pulse. An electronic square wave input must have a pulse amplitude of 12VDC. A 5VDC square wave will not work. PROX ( Holdî) LED ì...
CD-20SFA Sample Probe Controller Basic CD-20SFA Check-Out 1. Disconnect the probe from the CD-20SFA. 2. Disconnect the input power from the CD-20SFA. 3. Connect a push-button switch to 1TB-5 and 1TB-6 on the control card. 4. Reconnect input power to the CD-20SFA. 5.
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CD-20SFA Sample Probe Controller • When set by a start pulse, the RUN/STOP latch U5A outputs the speed command voltage to the summing point control amplifier U2A. • Amplifier U2B provides current feedback to the summing point control amplifier U2A. •...
To maintain certification, repairs must be performed by a UL-authorized Cameron facility. Attempts to modify the product at any other location will make the certification invalid. To return a product for repair, contact Cameron to request an Return to Manufacturer Authorization (RMA) form and shipping instructions.
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