PCLD-8710

PCLD-8115 PCLD-8710 Industrial Wiring Terminal Board With CJC Circuit Features  Low-cost screw-terminal boards  Onboard CJC (Cold Junction Compensation) circuits for direct thermocouple measurement.  Reserved space for signal-conditioning circuits such as low-pass filter, voltage attenuator and current shunt.  Industrial-grade screw-clamp terminal blocks for heavy-duty and reliable connections. PCLD-8115 only  Supports PCL-818 series multifunction cards  Nylon standoffs, screws and washers included for easy mounting  Dimensions (W x L): 169 x 112 mm (6.7" x 4.4" ) PCLD-8710 only PCLD-8710 PCLD-8115  Supports PCI-1710/1710L/1710HG/1710HGL/1711/1711L/1716/1716L cards  DIN-rail mounting case for easy mounting  Dimensions (W x L x H): 169 x 112 x 51 mm (6.7" x 4.4" x 2.0") Introduction The PCLD-8115 screw-terminal board offers convenient and reliable signal wiring for multifunction cards with 20-pin flat cable connectors or DB37 connectors, such as the PCL-818 series cards. PCLD-8710 is designed to match multifunction cards with 68-pin SCSI-II connectors, such as the PCI-1710/1710L/1710HG/1710HGL/1711/1711L/1716/1716L cards. This screw-terminal board also includes cold junction sensing circuitry that allows direct measurements from thermocouple transducers. Together with software compensation and linearization, every thermocouple type can be accommodated. Due to its special PCB layout, you can install passive components to construct your own signal-conditioning circuits. So you can easily construct a low-pass filter, attenuator or current shunt converter by adding resistors and capacitors onto the board circuit pads. Applications Field wiring for analog and digital I/O channels of PC-LabCard™ products. Signal conditioning circuits can be implemented as illustrated in the following examples: a) Straight-through connection (factory setting) RAn = 0 Ω (short) RBn = none Cn = none c) 10 : 1 voltage attenuator: RAn = 9 KΩ RBn = 1 KΩ Cn = none Attenuation = (Assume source impedance