Campbell SDM-CD16D Guia do Utilizador

SDM-CD16D16 Channel Digital ControlPort Expansion ModuleUser GuideIssued 15.6.99Copyright  1999 Campbell Scientific Ltd.

SDM-CD16D 16 Channel Digital Control Port Expansion Module4Table 1 Datalogger to SDM-CD16D ConnectionsConnection Order SDM-CD16D Datalogger FunctionF

User Guide5Figure 4 Use of Terminal Blocks5. Address Selection SwitchesEach SDM-CD16D can have 1 of 16 addresses. The factory-set address is 00.Tabl

SDM-CD16D 16 Channel Digital Control Port Expansion Module6Figure 5 Address Selection Switch6. Datalogger Instructions 104 (CR10/10X, CR23X, 21X,CR7

User Guide7For older CR7s with Instruction 29, the Device (parameter 2) specifies what typeof synchronously addressed peripheral is to be addressed. T

SDM-CD16D 16 Channel Digital Control Port Expansion Module810..14 Heat #1..#5 Heater control, greenhouse 1..5SDM-CD16D Port 1..515..19 Cool #1..#5 Coo

User Guide9End heater control logicStart cooler control logic12: If (X<=>F) (P89) if ‘cooler on’ threshold 1: 1 -- X Loc [ Temp_1 ]

SDM-CD16D 16 Channel Digital Control Port Expansion Module10 2: 0 Exponent of 10 3: 20 -- Z Loc [ Fan_1 ]26: Else (P94) else, if

User Guide114 Temp_4 10 0 05 Temp_5 18 0 06 _________ 0 0 07 _________ 0 0 08 _________ 0 0 09 _________ 0 0 010 Heat_1 7 3 311 Heat_2 11

GuaranteeThis equipment is guaranteed against defects in materials, workmanship,and software. This guarantee applies for twelve months from date ofdel

Contents1. Introduction...12. Control Specifications...

1SDM-CD16D 16 Channel Digital ControlPort Expansion ModuleThe SDM-CD16D (see Figure 1) is a synchronously addressed peripheral. It has 16 controlports

SDM-CD16D 16 Channel Digital Control Port Expansion Module22.2 Output SpecificationsOutput Voltage (no load): Output ON/HI, Nominal 5V (Minimum 4.5V

User Guide3Connection with External SupplyConnection with Datalogger SupplyFigure 3 Connection Block DiagramsIf the 21X power supply is used to power