Services Available | |
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Repair | Yes |
Calibration | No |
Free Support | Yes |
The SDM-INT8 outputs timing data to a Campbell Scientific data logger. The data logger can process the timing data to calculate RPM, duty cycle, velocity, crank angle, etc.
Read MoreThe SDM-INT8 has eight channels that are individually programmed to record the timing of input voltage transitions (events). It uses this information to output:
The data logger enables individual modules through an addressing scheme; up to 15 SDM-INT8s can be connected to one data logger. After a module is enabled, it operates independently of the data logger until additional commands are received or results are transmitted.
Operating Voltage | 9.6 to 16 Vdc |
Current Drain |
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最大时间测量 | 16.7 s |
Resolution | ±1 µs |
Operating Temperature | -25° to +50°C |
Dimensions | 0.3 x 12.7 x 2.5 cm (8 x 5 x 1 in.) |
Weight | 0.82 kg (1.8 lb) |
High-Level Voltage Input Pulses |
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Minimum Pulse Width | 2 µs |
Maximum Frequency (32-bit values) |
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Maximum Frequency (16-bit values) |
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Low-Level AC Voltage Input |
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AC Voltage |
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Input Hysteresis | 11 mV |
Minimum Frequency | 1 Hz |
Maximum Frequency |
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Note:The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.
Product | Compatible | Note |
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21X(retired) | ||
CR10(retired) | ||
CR1000(retired) | ||
CR10X(retired) | ||
CR200X(retired) | ||
CR206X(retired) | ||
CR211X(retired) | ||
CR216X(retired) | ||
CR23X(retired) | ||
CR295X(retired) | ||
CR3000(retired) | SDMs are connected to the ports labeled SDM-C1, SDM-C2, and SDM-C3. | |
CR500(retired) | ||
CR5000(retired) | SDMs are connected to the ports labeled SDM-C1, SDM-C2, and SDM-C3. | |
CR510(retired) | ||
CR6 | ||
CR800 | ||
CR850 | ||
CR9000(retired) | SDMs connect to ports provided on the CR9080 PAM module. | |
CR9000X(retired) | SDMs connect to ports provided on the CR9032 CPU module. |
Product | Compatible | Note |
---|---|---|
ENC10/12 | ||
ENC10/12R | ||
ENC12/14 | ||
ENC14/16 | ||
ENC16/18 | ||
ENC24/30 | ||
ENC24/30S |
Product | Compatible | Note |
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GRANITE 10 | ||
GRANITE 6 | ||
GRANITE 9 |
The SDMINT8 instruction controls the SDM-INT8 operation in CRBasic. Instruction 101 controls the SDM-INT8 operation in Edlog.
The SDM-INT8 draws 20 mA. In most applications, the data logger’s sealed rechargeable power supply can be used. The data logger’s alkaline power supply has sufficient capacity to operate the SDM-INT8 during short-term installations only.
The SDM-INT8 should be housed in an environmental enclosure. A bracket is shipped with the SDM-INT8 for mounting it to an enclosure backplate.
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