RedLab 1408FS-Plus User's Guide
Contents
1. A bit 3 5 CH1 IN LO Analog input 1 25 Port A4 Port A bit 4 6 AGND Analog ground 26 Port A5 Port A bit 5 7 CH2 IN HI Analog input 2 27 Port A6 Port A bit 6 8 CH2 IN LO Analog input 2 28 Port A7 Port A bit 7 9 AGND Analog ground 29 GND Ground 10 CH3 IN HI Analog input 3 30 VO Power output 11 CH3 IN LO Analog input 3 31 GND Ground 12 AGND Analog ground 32 Port BO Port B bit 0 13 D A OUT 0 Analog output 0 33 Port B1 Port B bit 1 14 D A OUT 1 Analog output 1 34 Port B2 Port B bit 2 15 AGND Analog ground 35 Port B3 Port B bit 3 16 Reserved Reserved for future use 36 Port B4 Port B bit 4 17 GND Ground 37 Port B5 Port B bit 5 18 TRIG_IN Trigger input 38 Port B6 Port B bit 6 19 SYNC Synchronization I O 39 Port B7 Port B bit 7 20 CTR Counter input 40 GND Ground Single ended mode pinout Table 21 8 channel single ended mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 CHO IN Analog input 0 21 Port AO Port A bit 0 2 CH1 IN Analog input 1 22 Port A1 Port A bit 1 3 AGND Analog ground 23 Port A2 Port A bit 2 4 CH2 IN Analog input 2 24 Port A3 Port A bit 3 5 CH3 IN Analog input 3 25 Port A4 Port Abit 4 6 AGND Analog ground 26 Port A5 Port A bit 5 7 CH4 IN Analog input 4 27 Port A6 Port A bit 6 8 CH5 IN Analog input 5 28 Port A7 Port A bit 7 9 AGND Analog ground 29 GND Ground 10 CH6 IN Analog input 6 30 VO Power output 11 CH7 IN A2. RedLab 1408FS PlusUser s Guide Functional Details Mechanical drawings 0 750 1 225 0 050 Cy VUSB 0 000 Baz 7 0 050 GND 0 100 CL 0 025 SQ PINS e 0 100 CL 0 025 SQ PINS 1 225 stissssssesssenss ees eseseseseseeseeseseeeees So S Maximum Component Height Top 0 545 Bottom 0 125 1 05 3 10 3 20 Figure 15 Circuit board top and enclosure dimensions 19 Chapter 4 Specifications All specifications are subject to change without notice Typical for 25 C unless otherwise specified Specifications in italic text are guaranteed by design Analog input Table 1 Analog input specifications Parameter Condition Specification A D converter type Successive approximation type Input voltage range for linear operation CHx to GND Single ended mode 10 V max Differential mode 10 V min 20 V max Absolute maximum input voltage CHx to GND 28 V max Input impedance 122 kQ Input current Note 1 Vin 10V 70 uA typ Vin 0V 12 pA typ Vin 10V 94 uA typ Number of channels 8 single ended or 4 differential software selectable Input ranges Single ended 10 V G 2 Differential 20 V G 1 10 V G 2 5 V G 4 4 V G 5 2 5 V G 8 2 0 V G 10 1 25 V G 16 1 0 V G 20 Software selectable Throughput Note 2 Software paced 250 S s typ PC dependent Hardware paced 0 014 S s to 48 kS s Channel gain queue Sof
3. USB enumeration 4 5 V min 5 25 V max VO output current After USB enumeration 100 mA max 24 RedLab 1408FS PlusUser s Guide Specifications General Table 16 General specifications Parameter Specification Device type USB 2 0 full speed Device compatibility USB 1 1 USB 2 0 Environmental Table 17 Environmental specifications Parameter Specification Operating temperature range 0 C to 70 C Storage temperature range 40 C to 70 C Humidity 0 to 90 non condensing Mechanical Table 18 Mechanical specifications Parameter Specification Dimensions L x W x H 79 x 82 x 27 mm 3 10 x 3 20 x 1 05 in USB cable length 3 m 9 84 ft max User connection length 3 m 9 84 ft max Screw terminal connector Table 19 Screw terminal specifications Parameter Specification Connector type Screw terminal Wire gauge range 16 AWG to 30 AWG 25 RedLab 1408FS PlusUser s Guide Specifications Differential mode pinout Table 20 4 channel differential mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 CHO IN HI Analog input 0 21 Port AO Port A bit 0 2 CHO IN LO Analog input 0 22 Port A1 Port A bit 1 3 AGND Analog ground 23 Port A2 Port A bit 2 4 CH1 IN HI Analog input 1 24 Port A3 Port
4. ification Trigger source Note 7 External digital TRIG IN terminal Trigger mode Edge sensitive software selectable for CMOS compatible rising or falling edge high or low level Trigger latency 10 us max Trigger pulse width 1 us min Input type Schmitt trigger 47 kQ pull down to ground Schmitt trigger hysteresis 1 01 V typ 0 6 V min 1 5 V max Input high voltage threshold 2 43 V typ 1 9 V min 3 1V max Input high voltage limit 5 5 V absolute max Input low voltage threshold 1 42 V typ 1 0 V min 2 0 V max Input low voltage limit 0 5 V absolute min 0 V recommended min External clock input output Table 11 External clock I O specifications Parameter Condition Specification Terminal name SYNC Terminal type Bidirectional Direction Output Outputs the internal A D pacer clock Active on rising edge software selectable Input default Receives A D pacer clock from external source Active on rising edge Input clock rate 48 kHz max Clock pulse width Input mode 1 us min Output mode 5 us min Input type Schmitt trigger 47 kQ pull down to ground Schmitt trigger hysteresis 1 01 V typ 0 6 V min 1 5 V max Input high voltage threshold 2 43 V typ 1 9 V min 3 1V max Input high voltage limit 5 5 V absolute max Input low voltage threshold 1 42 V typ 1 0 V min 2 0 V max Input low voltage limit 0 5 V absolute min 0 V recommended min Output high voltage 4 4 V m
5. in OH 50 pA 3 80 V min OH 8 mA Output low voltage 0 1 V max IOL 50 pA 0 44 V max IOL 8 mA 23 RedLab 1408FS PlusUser s Guide Specifications Counter Table 12 Counter specifications Parameter Specification Pin name CTR Counter type Event counter Number of channels 1 Input type Schmitt trigger 47 kQ pull down to ground rising edge triggered Input source CTR screw terminal Resolution 32 bits Maximum input frequency 1 MHz High pulse width 500 ns min Low pulse width 500 ns min Schmitt trigger hysteresis 1 01 V typ 0 6 V min 1 5 V max Input high voltage threshold 2 43 V typ 1 9 V min 3 1V max Input high voltage limit 5 5 V absolute max Input low voltage threshold 1 42 V typ 1 0 V min 2 0 V max Input low voltage limit 0 5 V absolute min 0 V recommended min Memory Table 13 Memory specifications Parameter Specification Non volatile EEPROM 2 048 bytes 768 bytes calibration 256 bytes user 1 024 bytes DAQFlex Microcontroller Table 14 Microcontroller specifications Parameter Specification Type High performance 16 bit RISC microcontroller Power Table 15 Power specifications Parameter Condition Specification Supply current During USB enumeration lt 100 mA After USB enumeration including DIO AO SYNC lt 500 mA and VO output loading VO power available After
6. max 4 0 typ 45 0 max Note 6 Zero scale offsets may result in a fixed zero scale error producing a dead band digital input code region In this case changes in digital input code at values less than 0x040 may not produce a corresponding change in the output voltage The offset error is tested and specified at code 0x040 Digital input output Table 9 Digital I O specifications Parameter Specification Digital type CMOS Number of I O 16 Port AO through A7 Port BO through B7 Configuration 2 banks of 8 Port B is high current drive Pull up pull down configuration All pins pulled up to 5V via 47 kQ resistors default Change to pull down using internal user configurable jumpers Input high voltage threshold 2 0 V min Input high voltage limit 5 5 V absolute max Input low voltage threshold 0 8 V max Input low voltage limit 0 5 V absolute min 0 V recommended min Output high voltage Port A 4 4 V min IOH 20 pA 3 84 V min IOH 6 0 mA Output low voltage Port A 0 1 V max IOL 20 uA 0 33 V max IOL 6 0 mA Output high voltage Port B 4 4 V min IOH 50 uA 3 76 V min IOH 24 0 mA Output low voltage Port B 0 1 V max IOH 50 pA 0 44 V max IOH 24 0 mA Power on and reset state Input 22 RedLab 1408FS PlusUser s Guide Specifications External trigger Table 10 Digital trigger specifications Parameter Spec
7. nalog input 7 31 GND Ground 12 AGND Analog ground 32 Port BO Port B bit 0 13 D A OUT 0 Analog output 0 33 Port B1 Port B bit 1 14 D A OUT 1 Analog output 1 34 Port B2 Port B bit 2 15 AGND Analog ground 35 Port B3 Port B bit 3 16 Reserved Reserved for future use 36 Port B4 Port B bit 4 17 GND Ground 37 Port B5 Port B bit 5 18 TRIG_IN Trigger input 38 Port B6 Port B bit 6 19 SYNC Synchronization I O 39 Port B7 Port B bit 7 20 CTR Counter input 40 GND Ground 26 Meilhaus Electronic GmbH Am Sonnenlicht 2 D 82239 Alling Germany Phone 49 0 81 41 52 71 0 Fax 49 0 81 41 52 71 129 E Mail sales meilhaus com http www meilhaus com
8. tware selectable 8 elements in SE mode 4 elements in DIFF mode One gain element per channel Elements must be unique and listed in ascending order Resolution Note 3 Differential 14 bits no missing codes Single ended 13 bits Integral linearity error 2 LSB typ Differential linearity error 0 5 LSB typ Absolute accuracy long term drift 20 V range 3 LSB typ At 1000 hrs Note 4 4 V range 6 LSB typ At 1000 hrs 1 V range 8 LSB typ At 1000 hrs Trigger source External digital TRIG_IN Software selectable Note 1 Input current is a function of applied voltage on the analog input channels For a given input voltage Vin the input leakage is approximately equal to 8 181 Vin 12 uA Note 2 Maximum throughput when scanning is machine dependent Note 3 The ADS7871 converter only returns 13 bits 0 to 8 192 codes in single ended mode Note 4 Extrapolating the long term drift accuracy specifications will provide the approximate long term drift of the intermediate input ranges 20 RedLab 1408FS PlusUser s Guide Specifications Accuracy Table 2 Accuracy differential mode Range Absolute Accuracy 25 C mV Absolute Accuracy 0 C to 50 C mV 20 V 10 98 49 08 10 V 7 32 33 42 5 V 3 66 20 76 4 V 2 92 19 02 2 5 V 1 83 14 97 2 V 1 70 14 29 1 25 V 1 21 12 18 1 V 1 09 11 63 Table 3 Accuracy single ended mode Range Absolute Accuracy 25 C mV Absol
9. ute Accuracy 0 C to 50 C tmV 10 V 10 98 49 08 Noise performance Table 4 Noise performance differential mode Range Typical counts Least significant bitroot mean square LSBrms 20 V 8 1 21 10 V 8 1 21 5 V 9 1 36 4 V 10 1 51 2 5 V 12 1 81 2 V 14 2 12 1 25 V 18 2 72 1 V 22 3 33 Table 5 Noise performance single ended mode Range Typical Counts LSBrms 10 V 8 0 1 21 Analog output Table 6 Analog output specifications Parameter Condition Specification Resolution 12 bits 1 in 4 096 Output range 0 Vto 5 0 V Number of channels 2 Throughput Note 5 Software paced 250 S s single channel typ PC dependent Hardware paced per channel 50 kS s max Power on and reset voltage 0 V 20 mV typ initializes to 000h code Output drive Each D A OUT 5 mA sourcing Slew rate 0 8 V us typ Note 5 Maximum throughput when scanning is machine dependent 21 RedLab 1408FS PlusUser s Guide Specifications Table 7 Analog output accuracy all values are accuracy tested at no load Range Accuracy LSB OV to5 0V 4 0 typ 45 0 max Table 8 Analog output accuracy components all values are Range of FSR Gain Error at FS mV Offset mV Accuracy at FS mV Note 6 OVto5 0V_ 0 1 typ 0 9 max 4 0 typ 36 0 max 1 0 typ 9 0
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