RedLab 2408-2AO User's Guide
Contents
1. A D data rate Maximum throughput Hz 3750 S s 1102 94 2000 S s 877 19 1000 S s 609 76 500 S s 378 79 100 S s 93 98 60 S s 57 78 50 S s 48 45 25 S s 24 61 10 S s 9 94 5 S s 4 98 2 5 S s 2 50 24 RedLab 2408 2AO User s Guide Specifications The multiple channel throughput rate is calculated using this formula 1 Maximum throughput where n is the number of channels a 640 F data rate Table 12 Multiple channel throughput rate specifications Hz Number of input channels 3750 S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50 S s 25 S s 10 S s 5 S s 2 5 S s 1 1102 94 877 19 609 76 378 79 93 98 57 78 48 45 24 61 9 94 4 98 2 50 2 551 47 438 60 304 88 189 39 46 99 28 89 24 22 12 30 4 97 2 49 1 25 3 367 65 292 40 203 25 126 26 31 33 19 26 16 15 8 20 3 31 1 66 0 83 4 275 74 219 30 152 44 94 70 23 50 14 45 12 11 6 15 2 48 1 25 0 62 5 220 59 175 44 121 95 75 76 18 80 11 56 9 69 4 92 1 99 1 00 0 50 6 183 82 146 20 101 63 63 13 15 66 9 63 8 07 4 10 1 66 0 83 0 42 J 157 56 125 31 87 11 54 11 13 43 8 25 6 92 3 52 1 42 0 71 0 36 8 137 87 109 65 76 22 47 35 11 75 7 22 6 06 3 08 1 24 0 62 0 31 9 122 55 97 47 67 75 42 09 10 44 6 42 5 38 2 73 1 10 0 55 0 28 10 110 29 87 72 60 98 37 88 9 40 5 78 4 84 2 46 0 99 0 50 0 25 11 100 27 79 74 55 43 34 44 8 54 5 25 4 40 2 24 0 90 0 45 0 23 12 91 91 73 10 50 81 31 57 7 832. Input impedance 10 MQ power on 390 Q power off Input leakage current 20 nA Input voltage gt 30 V uA max power on off Input capacitance 590 pf Maximum working Voltage mode 10 25 V max voltage signal common mode Common mode rejection Thermocouple mode 110 dB ratio Note 1 fn 60 Hz Voltage mode 90 dB fin 60 Hz all input ranges ADC resolution 24 bits Crosstalk Adj chan differential 100 dB mode Input coupling DC Channel gain queue Up to 64 elements Software selectable channel and range Warm up time 45 minutes min Open thermocouple detect Software selectable for each channel 20 RedLab 2408 2AO User s Guide Specifications Parameter Conditions Specification CJC sensor accuracy 15 C to 35 C 40 5 C typ 0 C to 55 C 0 C max Note 1 Placing a notch of the A D digital filter at 60 Hz setting A D data rate 60 S s 10 S s 5 S s or 2 5 S s further improves the common mode rejection of this frequency Channel configurations When any item is changed the firmware stores channel configurations in the EEPROM of the isolated microcontroller An external application issues commands over the USB to make changes and the configuration is made non volatile through the use of the EEPROM When connecting differential voltage inputs to a floating voltage source provide a DC return path from each vo
3. 1 468 C 089 1768 C 3 187 C 2 597 C 250 C 5 489 C 3 956 C B 700 C 2 283 C 1 743 C 0 14 1820 C 2 202 C 1 842 C 200 C 2 413 C 1 352 C E 0 C 1 069 C 0 551 C 0 017 1000 C 1 575 C 1 211 C 200 C 2 821 C 1 676 C T 0 C 1 050 C 0 558 C 0 027 400 C 0 957 C 0 595 C To achieve the thermocouple accuracies listed above warm up the RedLab 2408 2AO for 45 minutes after the initial power on The accuracies listed above are only guaranteed if the device is housed in the plastic enclosure Analog input DC voltage measurement accuracy Table 5 DC Accuracy components and specifications All values are Offset Gain temperature temperature Gain error Offset INL error Absolute coefficient coefficient Range of reading error of range accuracy reading C uV C 10 V 0 0037 50 uV 0 0008 500 uV 0 0006 3 5 V 0 0047 25 uV 0 0008 300 uV 0 0006 2 2 5 V 0 0059 20 uV 0 0008 200 uV 0 0006 1 1 25 V 0 0056 20 uV 0 0008 100 uV 0 0006 1 0 625 V 0 0068 15 uV 0 0005 60 uV 0 0006 1 0 3125 V 0 0104 15 uV 0 0006 50 uV 0 0006 1 0 15625 V 0 0184 10 uV 0 0005 40 uV 0 0006 1 0 078125 V 0 0384 10 uV 0 0009 40 uV 0 0006 1 22 RedLab 2408 2AO User s Guide Specifications Input bandwidth Table 6 input bandwidth A D data rate 3 db Bandwidth Hz 3750 S s 1615 2000 S
4. 25 RedLab 2408 2AO User s Guide Specifications Parameter Conditions Specifications Output coupling DC Power on and reset state DACs cleared to zero scale 0 V 50 mV Output noise 60 UVims BW 1 5 KHz Settling time To rated accuracy 10 V step 75 uS Slew rate 1 0 Wus Throughput Single channel 1000 S s max system dependent 0 01 S s min Multichannel 1000 S s ch max system dependent 0 01 S s min Table 14 Calibrated absolute accuracy specifications Range Accuracy LSB 10 V 16 0 Table 15 Calibrated absolute accuracy components specifications Range of reading Offset tmV Temp drift C Absolute accuracy at FS mV 10 V 0 0183 1 831 0 00055 3 661 Table 16 Relative accuracy specifications Range Relative accuracy LSB 10 V 4 0 typ Analog input output calibration Table 17 Analog input output calibration specifications Parameter Specifications Recommended warm up time 45 minutes min Calibration Firmware calibration Calibration interval 1 year AI calibration reference 10 000 V 5 mV max Actual measured values stored in EEPROM Tempco 5 ppm C max Long term stability 30 ppm 1000 hours AO calibration procedure The analog output pin is internally routed to the analog input pin AOUTx readback Each AOUTx output can be independently measured by the onbo
5. 4 82 4 04 2 05 0 83 0 42 0 21 13 84 84 67 48 46 90 29 14 7 23 4 44 3 73 1 89 0 76 0 38 0 19 14 78 78 62 66 43 55 27 06 6 71 4 13 3 46 1 76 0 71 0 36 0 18 15 73 53 58 48 40 65 25 25 6 27 3 85 3 23 1 64 0 66 0 33 0 17 16 68 93 54 82 38 11 23 67 5 87 3 61 3 03 1 54 0 62 0 31 0 16 Analog voltage output Unused AOUTx output channels should be left disconnected The RedLab 2408 2AO output voltage level defaults to 0 V whenever the host PC is reset shut down or suspended or if a reset command is issued to the device The outputs may have a transient during startup The duration of the output transient depends highly on the enumeration process of the host PC Typically the output of the RedLab 2408 2AO is stable after two seconds Table 13 RedLab 2408 2AO analog voltage output specifications Parameter Conditions Specifications Digital to analog DAC8552 converter Number of channels 2 Resolution 16 bits Output ranges Calibrated 10 V Uncalibrated 10 05 V software selectable Output transient Host PC is reset powered on suspended or a reset command is issued to device Duration 2 s Amplitude 2 V p p Initial power on Duration 50 ms Amplitude 5 V peak Differential non linearity 0 25 LSB typ protection 1 LSB max Output current AOUTx pins 5 0 mA max Output short circuit AOUTx connected to AGND Unlimited duration
6. CH3H Channel 3 HI 32 AGND Analog ground 11 CHS3L Channel 3 LO 33 CHAL Channel 4 LO 12 AGND Analog ground 34 CH4H Channel 4 HI 13 DGND Digital ground 35 AGND Analog ground 14 DIOO Digital input output 36 AOUT1 Analog output 1 15 DIO1 Digital input output 37 AGND Analog ground 16 DIO2 Digital input output 38 AOUTO Analog output 0 17 DIO3 Digital input output 39 CHAS Chassis ground 18 DIO4 Digital input output 40 5V 5 V output 19 DIO5 Digital input output 41 DGND Digital ground 20 DIO6 Digital input output 42 CTR1 Counter 1 21 DIO7 Digital input output 43 DGND Digital ground 22 DGND Digital ground 44 CTRO Counter 0 30 RedLab 2408 2AO User s Guide Specifications Table 29 16 channel single ended mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 CHO Channel 0 23 AGND Analog ground 2 CH8 Channel 8 24 CH15 Channel 15 3 AGND Analog ground 25 CH7 Channel 7 4 CH1 Channel 1 26 AGND Analog ground 5 CH9 Channel 9 27 CH14 Channel 14 6 AGND Analog ground 28 CH6 Channel 6 7 CH2 Channel 2 29 AGND Analog ground 8 CH10 Channel 10 30 CH13 Channel 13 9 AGND Analog ground 31 CH5 Channel 5 10 CH3 Channel 3 32 AGND Analog ground 11 CH11 Channel 11 33 CH12 Channel 12 12 AGND Analog ground 34 CH4 Channel 4 13 DGND Digital ground 35 AGND Analog ground 14 DIOO Digital input output 36 AOUT1 Analog output 1 15 DIO1 Digital inp
7. 0S s 60S s 50S s 25S s 10S s 5S s 2 5 S s 10 V 0 0010 0 0008 0 0005 0 0004 0 0002 0 0002 0 0003 0 0002 0 0001 0 0001 0 0001 5 V 0 0009 0 0008 0 0004 0 0004 0 0003 0 0002 0 0002 0 0002 0 0001 0 0001 0 0001 2 5 V 0 0010 0 0007 0 0008 0 0004 0 0003 0 0002 0 0002 0 0002 0 0002 0 0001 0 0001 1 25 V 0 0013 0 0009 0 0008 0 0007 0 0004 0 0004 0 0003 0 0003 0 0003 0 0003 0 0003 0 625 V 0 0022 0 0016 0 0011 0 0011 0 0007 0 0007 0 0005 0 0005 0 0004 0 0005 0 0003 0 3125 V 10 0031 0 0031 0 0020 0 0017 0 0015 0 0012 0 0010 0 0010 0 0012 0 0009 0 0009 0 15625 V 0 0056 0 0062 0 0048 0 0037 0 0032 0 0025 0 0024 0 0021 0 0019 0 0022 0 0016 0 078125 V 0 0114 0 0123 0 0076 0 0070 0 0041 0 0051 0 0046 0 0036 0 0032 0 0030 0 0034 Channel switching error is defined as the accuracy that can be expected after one conversion when switching from a channel with a DC input at one extreme of full scale to another channel with a DC input at the other extreme of full scale expressed in terms of percentage of full scale value Throughput rate The single channel throughput rate is calculated using this formula Maximum throughput i 1 640 us data rate Table 11 Single channel throughput rate specifications
8. 8 60 7 21 5 18 3 92 2 46 2 17 2 17 2 16 0 90 0 72 0 72 2 5 V 4 99 4 36 2 72 2 15 1 14 1 07 1 07 0 87 0 58 0 60 0 60 1 25 V 2 81 2 66 2 10 1 41 0 83 0 83 0 76 0 58 0 51 0 51 0 43 0 625 V 2 86 2 51 1 28 1 12 0 81 0 73 0 66 0 58 0 38 0 40 0 30 0 3125 V 2 32 2 24 1 24 1 05 0 72 0 71 0 68 0 56 0 51 0 39 0 37 0 15625 V 2 01 2 55 1 13 1 00 0 86 0 68 0 68 0 64 0 40 0 47 0 35 0 078125 V 2 04 2 28 1 39 1 04 0 65 0 63 0 60 0 54 0 35 0 32 0 36 Table 9 Noise free resolution specifications bits 23 RedLab 2408 2AO User s Guide Specifications A D data rate Range 3750 S s 2000S s 1000S s 500S s 100S s 60S s 50S s 25S s 10S s 5S s 2 5S s 10 V 17 2 17 6 18 1 18 7 19 3 19 3 19 5 20 0 20 6 21 0 21 0 5 V 17 4 17 6 18 1 18 5 19 2 19 4 19 4 19 4 20 6 21 0 21 0 2 5 V 17 2 17 4 18 1 18 4 19 3 19 4 19 4 19 7 20 3 20 7 21 0 1 25 V 17 0 17 1 17 4 18 0 18 8 18 8 18 9 19 3 19 5 19 5 19 7 0 625 V 16 0 16 2 17 1 17 3 17 8 18 0 18 1 18 3 18 9 18 8 19 2 0 3125 V 15 3 15 3 16 2 16 4 17 0 17 0 17 0 17 3 17 5 17 9 17 9 0 15625 V 14 5 14 1 15 3 15 5 15 7 16 1 16 1 16 1 16 8 16 9 17 1 0 078125 V 14 5 14 3 15 0 15 4 16 1 16 2 16 2 16 4 17 0 17 1 16 9 Channel switching error Table 10 Step response accuracy specifications Accuracy Range 3750 S s 2000 S s 1000 S s 500 S s 10
9. Chapter 4 Specifications All specifications are subject to change without notice Typical for 25 C unless otherwise specified All specifications apply to all temperature and voltage input channels unless otherwise specified Specifications in italic text are guaranteed by design Analog input Table 1 General analog input specifications Parameter Conditions Specification A D converter type ADS1256 24 bit Sigma Delta A D data rates 3750 S s 2000 S s 1000 S s 500 S s 100 S s 60 S s 50 S s 25 S s 10 S s 5 S s 2 5 S s Throughput Single channel 2 5 S s to 1102 94 S s software selectable Multiple channels 0 16 S s to 551 47 S s software selectable See Table 11 and Table 12 for details Number of channels 16 single ended or 8 differential software selectable Thermocouples require differential mode For each channel configured as differential you essentially lose two single ended channels Input isolation 500 VDC min between field wiring and USB interface Channel configurations Temperature sensor input software selectable to match sensor type Voltage input Input voltage range Thermocouple mode 0 078125 V Voltage mode Note 1 10 V 5 V 2 5 V 1 25 V 40 625 V 40 3125 V 0 15625 V 0 078125 V software selectable Absolute maximum input voltage CxH CxL relative to GND 22 V max power on 0 V max power off
10. able type A B cable UL type AWM 2527 or equivalent min 24 AWG VBUS GND min 28 AWG D D USB cable length 3 meters max Environmental Table 25 Environmental specifications Parameter Specifications Operating temperature range 0 C to 50 C max Storage temperature range 40 C to 85 C max Humidity 0 to 90 non condensing max Mechanical Table 26 Mechanical specifications Parameter Specifications Dimensions L x W x H 127 x 89 9 x 35 6 mm 5 00 x 3 53 x 1 40 in User connection length 3 meters max Screw terminal connector type and pinout Table 27 Screw terminal connector specifications Connector type Fixed screw terminal Wire gauge range 16 AWG to 30 AWG 29 RedLab 2408 2AO User s Guide Specifications Screw terminal pinout Table 28 8 channel differential mode pinout Pin Signal name Pin description Pin Signal name Pin description 1 CHOH Channel 0 HI 23 AGND Analog ground 2 CHOL Channel 0 LO 24 CH7L Channel 7 LO 3 AGND Analog ground 25 CH7H Channel 7 HI 4 CH1H Channel 1 HI 26 AGND Analog ground 5 CHIL Channel 1 LO 27 CH6L Channel 6 LO 6 AGND Analog ground 28 CH6H Channel 6 HI 7 CH2H Channel 2 HI 29 AGND Analog ground 8 CH2L Channel 2 LO 30 CH5L Channel 5 LO 9 AGND Analog ground 31 CH5H Channel 5 HI 10
11. ard A D converter Software selectable Digital input output Table 18 Digital input specifications Parameter Specifications Number of I O 8 channels Configuration Each DIO bit can be independently read from DIN or written to DOUT The DIN bits can be read at any time whether the DOUT is active or tri stated Input voltage range 0 to 15 V Input type CMOS Schmitt trigger 26 RedLab 2408 2AO User s Guide Specifications Parameter Specifications Input characteristics 47 kQ pull up pull down resistor 28 kQ series resistor Maximum input voltage range 0 V to 20 V max power on off relative to DGND Note 2 Pull up pull down configuration All pins pulled up to 5 V via individual 47 kQ resistors the J6 shorting block default position is pins 1 and 2 Pull down capability is available by placing the J6 shorting block across pins 2 and 3 Transfer rate software paced 500 port reads or single bit reads per second typ Input high voltage 1 3 V min 2 2 V max Input low voltage 1 5 V max 0 6 V min Schmitt trigger hysteresis 0 4 V min 1 2 V max Note 2 DGND pins are recommended for use with digital input and digital output pins The DGND and AGND pins are common and are isolated from earth ground Table 19 Digital output specifications Parameter Specifications Number of I O 8 c
12. hannels Configuration Note3 Each DIO bit can be independently read from DIN or written to DOUT The DIN bits may be read at any time whether the DOUT is active or tri stated Output characteristics Note 4 47 KQ pull up open drain DMOS transistor Pull up configuration All pins pulled up to 5 V via individual 47 kQ resistors the J6 shorting block default position is pins 1 and 2 Transfer rate software paced Digital output 500 port writes or single bit writes per second typ Output voltage range 0 V to 5 V no external pull up resistor internal 47 KQ pull up resistors connected to 5 V by default 0 V to 15 V max Note 5 Note 6 Drain to source breakdown 50 V min voltage Off state leakage current 1 0 yA Sink current capability 150 mA max continuous per output pin 150 mA max continuous for all eight channels DMOS transistor on resistance drain to source 4Q Note 3 DGND pins are recommended for use with digital input and digital output pins The DGND and AGND pins are common and are isolated from earth ground Note 4 Note 5 Each DMOS transistor source pin is internally connected to DGND The external pull up is connected to the digital output bit through an external pull up resistor Adding an external pull up resistor connects it in parallel with the internal 47 KQ pull up resistor of that particular digital input output bit Ca
13. ltage input to ground To do this connect a resistor from each input to an AGND pin A value of approximately 100 kQ can be used for most applications Leave unused input channels either floating or tied to AGND For each voltage thermocouple channel configured as differential you essentially lose one single ended channel Keep source impedances as small as possible to avoid settling time and accuracy errors Table 2 Channel configurations Channel Category Specification CxH CxL Thermocouple 8 differential channels CxH CxL Voltage 16 individually configurable channels that can be configured as either single ended or CxH CxL Voltage 8 differential Compatible sensors Table 3 Compatible sensor type specifications Parameter Conditions Thermocouple J 210 C to 1200 C K 270 C to 1372 C R 50 C to 1768 C S 50 C to 1768 C T 270 C to 400 C N 270 C to 1300 C E 270 C to 1000 C B 0 C to 1820 C Accuracy Thermocouple measurement accuracy Thermocouple measurement accuracy specifications include polynomial linearization error cold junction compensation measurement error and are for sample rates up to 60S s These specs are for one year or 3000 operating hours whichever comes first There is a CJC sensor for each terminal block of the module The accuracy listed below assumes the screw terminals are at the same te
14. mperature as the CJC sensor The accuracy errors shown do not include the inherent accuracy error of the thermocouple sensor itself Contact your thermocouple supplier for details on the actual thermocouple sensor accuracy limitations Connect thermocouples to the RedLab 2408 2AO such that they are floating with respect to AGND When configuring thermocouple sensors keep any stray capacitance relative to AGND as small as possible to avoid settling time and accuracy errors 21 RedLab 2408 2AO User s Guide Specifications The AGND and DGND pins are isolated from earth ground You can connect thermocouple sensors to voltages referenced to earth ground as long as isolation between the AGND DGND pins and earth ground is maintained Table 4 Thermocouple accuracy specifications including CJC measurement error All specifications are Sensor temperature Accuracy error Accuracy error Tempco Thermocouple range maximum typical C C 210 C 2 572 1 416 C i 0 C 0 935 C 0 469 C 0 022 1200 C 1 869 C 1 456 C 210 C 2 917 C 1 699 C 0 C 1 017 C 0 526 C 0 029 1372 C 2 478 C 2 022 C 200 C 3 480 C 2 030 C N 0 C 1 201 C 0 659 C 0 029 1300 C 1 991 C 1 600 C 50 C 4 826 C 3 133 C R 250 C 2 117 C 1 424 C 0 082 1768 C 2 842 C 2 347 C 50 C 4 510 C 2 930 Co S 250 C 2 165 C
15. r input pins The DGND and AGND are common and are isolated from earth ground Memory Table 21 Memory specifications EEPROM 4096 bytes isolated micro reserved for sensor configuration 256 bytes USB micro for external application use Microcontroller Table 22 Microcontroller specifications Type One high performance 8 bit RISC microcontroller with USB interface non isolated One high performance 16 bit RISC microcontroller for measurements isolated 28 RedLab 2408 2AO User s Guide Specifications Power Table 23 Power specifications Parameter Conditions Specification Supply current Note 8 Quiescent current 275 mA Voltage supervisor limits 4 5 V gt Vet Or Ver gt 5 5 V PWR LED Off power fault 4 5 V lt Voe lt 5 5 V PWR LED On 5 V user output voltage range Available at terminal block pin 40 4 75 V min to 5 25 V max 5 V user output current Available at terminal block pin 40 10 mA max Isolation Measurement system to PC 500 VDC min Note 8 This is the total quiescent current requirement for the RedLab 2408 2AO which includes up to 10 mA for the status LED This does not include any potential loading of the digital I O bits 5 V user terminal or the AOUTx outputs USB specifications Table 24 USB specifications Parameter Specifications USB device type USB 2 0 full speed Device compatibility USB 1 1 USB 2 0 USB c
16. reful consideration should be made when considering the external pull up resistor value and the resultant pull up voltage produced at the load Note 6 pull up resistor Does not include the additional leakage current contribution that may occur when using an external 27 RedLab 2408 2AO User s Guide Specifications Counter Table 20 CTR specifications Parameter Conditions Specification Pin name CTRO CTR1 Number of channels 2 channels Resolution 32 bits Counter type Event counter Input type Schmitt trigger rising edge triggered Input source CTRO pin 44 CTRI pin 42 Counter read writes rates software paced Counter read System dependent 500 reads per second Counter write System dependent 500 writes per second Input characteristics Each CTRx input pin 562 kQ pull up resistor to 5 V 10 kQ series resistor Input voltage range 15 V max Max input voltage range CTRO CTRI relative to AGND and DGND Note 7 20 V max power on off Input high voltage 1 3 V min 2 2 V max Input low voltage 1 5 V max 0 6 V min Schmitt trigger hysteresis 0 4 V min 1 2 V max Input bandwidth 3 dB 1 MHz Input capacitance 25 pf Input leakage current 120 nA SV 1 6 mA I5 V Input frequency 1 MHz max High pulse width 500 ns min Low pulse width 500 ns min Note 7 DGND pins are recommended for use with counte
17. s 878 1000 S s 441 500 S s 221 100 S s 44 2 60 S s 26 5 50 S s 22 1 25 S s 11 1 10 S s 4 42 5 S s 2 21 2 5 S s 1 1 Noise performance For the peak to peak noise distribution test a differential input channel is connected to AGND at the input terminal block and 50 000 samples are acquired at the maximum rate available at each setting Table 7 Peak to peak noise performance specifications uV A D data rate Range 3750 S s 2000 S s 1000S s 500S s 100S s 60S s 50S s 25S s 10S s 5S s 2 5 S s 10 V 126 84 100 14 71 76 45 06 30 52 30 52 26 70 19 07 11 92 9 54 9 54 5 V 56 74 47 56 34 21 25 87 16 21 14 31 14 31 14 30 5 96 4 77 4 77 2 5 V 32 96 28 79 17 94 14 19 7 51 7 09 7 09 5 72 3 81 4 00 4 00 1 25 V 18 57 17 52 13 83 9 30 5 48 5 48 5 01 3 81 3 34 3 34 2 86 0 625 V 18 88 16 58 8 45 7 41 5 32 4 80 4 38 3 86 2 50 2 61 1 98 0 3125 V 15 33 14 76 8 19 6 94 4 75 4 69 4 49 3 70 3 34 2 56 2 45 0 15625 V 13 28 16 84 7 47 6 61 5 70 4 48 4 48 4 24 2 66 3 07 2 29 0 078125 V 13 47 15 02 9 17 6 88 4 28 4 16 4 00 357 228 2 13 2 40 Table 8 RMS noise performance specifications uVRMS A D data rate Range 3750 S s 2000 S s 1000S s 500 S s 100 S s 60S s 50S s 25S s 10S s 5S s 2 5 S s 10 V 19 22 15 17 10 87 6 83 4 62 4 62 4 05 2 89 1 81 1 44 1 44 5 V
18. ut output 37 AGND Analog ground 16 DIO2 Digital input output 38 AOUTO Analog output 0 17 DIO3 Digital input output 39 CHAS Chassis ground 18 DIO4 Digital input output 40 5V 5 V output 19 DIO5 Digital input output 41 DGND Digital ground 20 DIO6 Digital input output 42 CTR1 Counter 1 21 DIO7 Digital input output 43 DGND Digital ground 22 DGND Digital ground 44 CTRO Counter 0 31 Meilhaus Electronic GmbH Am Sonnenlicht 2 82239 Alling Germany Phone 49 0 8141 5271 0 Fax 49 0 8141 5271 129 E Mail sales meilhaus com http www meilhaus com
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