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New MICRO-EH: Micro20/40 Basic Unit Specification of Basic Unit Model Name CPU Processing system Basic commands Application commands 20 Point TYPE 40 Point TYPE 64 Points TYPE 32-bit RISC processor Stored program cyclic system Processing 0.9 micro sec/command Control time Several 10 micro sec/command 16 k step maximum User program memory (FLASH MEMORY) Basic commands 39 types such as LD, LDI, AND, ANI, OR, ORI, ANB, ORB, OUT, MPS, Command 132 types such as arithmetic (+ – x /, etc.), jump, subroutine, division, language Arithmetic / Application command Operation extraction, etc. processing Basic commands 39 types such as Ladder 132 types such as arithmetic (+ – x /, etc.), jump, subroutine, division, Arithmetic / Application command extraction, etc. I/O processing Refresh processing External I/O Maximum points 132points maximum 152points maximum 176points maximum Bit 1984 points (R0 to R7BF) 32,768 words Word Internal (WR0 to WR7FFF) I/O output Bit 64 points (R7C0 to R7FF) processing Special Word 512 words (WRF000 to WRF1FF) Bit/word shared 16,384 points 1024 words (M0 to M3FFF, WM0 to WM3FF) Number of points 512 points (TD + CU) However, TD is up to 256 points *1 Timer / Timer set value 0 to 65535, timer base 0.01s, 0.1s, 1s (0.01s has 64 points maximum *2) Counter Counter set value 1 to 65535 times Edge detection 512 points (DIF0 to DIF511: decimal) + 512 points (DFN0 to DFN511: Peripheral Program system Command language, ladder diagram devices Peripheral device Programming software (Ladder Editor DOS version/Windows® version) PLC error (LED display): microcomputer error, watchdog timer error, Maintenance Self-diagnosis memory error, program error, system ROM/RAM error, scan time functions monitoring, battery voltage low detection, others *1: The same numbers cannot be used with the timer counter. TD is 0 to 255. *2: Only timers numbered 0 to 63 can use 0.01s for their timer base. All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 1 New MICRO-EH: Micro20/40 Basic Unit Micro 40 points unit outlook S TOP RUN EX P. 1234 ON MEMOR Y PACK 90 mm POR T 1 150 mm 76 mm Micro 20 points unit outlook S TOP RUN EX P. 1234 ON MEMOR Y PACK POR T 1 90 mm 150 mm 76 mm All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 2 New MICRO-EH: Micro20/40 Basic Unit Model name and specification list Input Output No. Model name Power 1 EH-A40DR 100/200V AC 4 points (24V DC(High speed)) 20 point (24V DC) 16 points (Relay) 2 EH-D40DR 24V DC 4 points (24V DC(High speed)) 20 point (24V DC) 16 points (Relay) 3 EH-D40DTPS 24V DC 4 points (24V DC(High speed)) 20 point 4 points 12 points Source (24V DC) (High speed) (ESCP) 4 EH-D40DT 24V DC 4 points (24V DC(High speed)) 20 point 4 points 12 points (24V DC) (High speed) 5 EH-A20DR 100/200V AC 4 points (24V DC(High speed)) 8 points (24V DC) 8 points (Relay) 6 EH-D20DR 24V DC 4 points (24V DC(High speed)) 8 points (24V DC) 8 points (Relay) 7 EH-D20DTPS 24V DC 4 points (24V DC(High speed)) 8 points 4 points (24V DC) (High speed) 4 points 8 points 4 points (24V DC(High speed)) (24V DC) (High speed) High speed Inputs are used for High speed counter input. High speed Outputs are used for pulse output. 8 EH-D20DT 24V DC All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. Sink 4 points (ESCP) Source 4 points Sink 3 New MICRO-EH: Micro20/40 Basic Unit Specification of Input Item Specification Input specification High speed input Other input Input Voltage 24 V DC 24 V DC Allowable input voltage range 0 ~ 30 V DC 0 ~ 30 V DC Input impedance 2.7 kOHM 4.7 kOHM Input current 8 mA typical 4.8 mA typical Operating ON voltage 18 VDC (min) / 4.5mA (max) 18 VDC (min) / 3.3mA (max) voltage OFF voltage 5 VDC (max) / 1.8mA (max) 5 VDC (max) / 1.6mA (max) Input lag OFF to ON 1 to 20ms (user configurable) 1 to 20ms (user configurable) ON to OFF 1 to 20ms (user configurable) 1 to 20ms (user configurable) Polarity None None Insulation system Photocoupler insulation Photocoupler insulation Input display LED (green) LED (green) External connection Removable type screw terminal block (M3) Removable type screw terminal block (M3) * Commons are connected internally. All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 4 New MICRO-EH: Micro20/40 Basic Unit Specification of Output (Source type) Item Specification Specification Output specification ESCP FET(High speed source) Rated load voltage 24 / 12 V DC(+10 %、-15 %) Minimum switching current 10 mA 10 mA Leak current 0.1mA (max) 0.1mA (max) Maximum load 1circuit 0.7 A 24VDC 0.5A 24VDC current 1 common - - Surge removal ladder None None Fuse None None Insulation system Photocoupler insulation Output display LED (green) External connection Removable type screw terminal block (M3) External power supply (For supplying power to the S terminal) 12/24 VDC –10%, +20% 12/24 V DC –10%, +20% More than 1,500V(between outside to inside) Insulation Drop output voltage More than 500V(between outside to outside) 0.3VDC (max) 0.3VDC (max) *1: It is necessary to supply 12-24 V DC from outside to the V terminal. A common current is defined separately All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 5 New MICRO-EH: Micro20/40 Basic Unit Specification of Output (Sink type and Relay type) Item Specification Specification Output specification FET(Sink) Relay Rated load voltage 24 / 12 V DC(+10 %、- 15 %) 5 to 250 V AC、5 to 30 V DC Minimum switching current 10 mA 1 mA Leak current 0.1mA (max) 15mA or less Maximum load 1circuit 0.5A 24VDC 2 A (24 VDC、 240 VAC) current 1 common - - Surge removal ladder None None Fuse None None Insulation system Photocoupler insulation Relay insulation Output display LED (green) External connection External power supply (For supplying power to the S terminal) Removable type screw terminal block (M3) Insulation 12/24 V DC -10%, +20% - More than 1,500V(between outside to inside) More than 500V(between outside to outside) Drop output voltage 0.3VDC (max) - Contact life span - 20,000,000 times (mechanical ) 200,000 times (electrical:1.5A) * A common current is defined separately All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 6 New MICRO-EH: Micro20/40 Basic Unit Specification of High speed counter Single phase Dual phase X0,X2,X4,X6 X0.X2 used with a pair 18V 18V 5V <= Count pulse width 10u sec 17u sec Count pulse frequency (max) 100kHz* 60kHz* Set up a Count Edge possible impossible 16/32 Bits <= possible <= ON/OFF Preset undecided <= Set up High/Low Limited undecided <= Preload / Strobe possible <= Set up above the Edge possible <= Counter Enable input Input voltage ON OFF Count registers Agreement output All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 7 New MICRO-EH: Micro20/40 Basic Unit Specification of Pulse Output MICRO20,40 Pulse Output Transistor output Y100-Y103 Enable output (by user settings) Load voltage 12/24V Minimum load current undecided PWM output frequency (max) 65kHz Pulse line output frequency (max) 65kHz Pulse accelerate/decelerate possible Specification of Interrupt Input Use possible input Input voltage X1.X3.X5.X7(rely on the setting of the user) ON 15V OFF 5V Set up a Interrupt Edge impossible All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 8 New MICRO-EH: Micro20/40 Basic Unit Specification of Serial port Item Transmission speed Specification 4800 bps, 9600 bps, 19.2 kbps, 38.4 kbps Port 1 (built in ) Port 2 (option board) Transmission speed setting Transmission speed setting 4800 bps 4800 bps 9600 bps 19.2 kbps 19.2 kbps 9600 bps 38.4 kbps 38.4 kbps Communication system Half duplex Synchronization system Start-stop synchronization Startup system Transmission system One-sided startup using the host side command Serial transmission (bit serial transmission) Transmission code Transmission code configuration Transmission code outgoing sequence Error control Transmission unit Maximum message length Interface Control procedure Network address Connector used ASCII ASCII: 7-bit data, 1 start, 1 stop, even number parity Sent out from the lowest bit in character units Vertical parity check, sum check, overrun check, framing check Message unit (variable length) 503 bytes (including control characters) Conforms to RS-232C Conforms to RS-232C or RS-422/485 (maximum cable length : 15 m) (maximum cable length :undecided ) H-series dedicated procedure (high protocol) Dedicated port 1 : FFFF0002 (P = 02) Dedicated port 2 : FFFF0001 (P = 01) Port 1:CPU side : 285D-9880J-101 (DDK) Port 2: Option board :285D-9880J-101 (DDK) All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 9 New MICRO-EH: Micro20/40 Basic Unit The other Specifications • PID Function • User program storage User program is stored into FLASH memory automatically. During storing user program into FLASH memory OK LED blinks. • RUN/STOP switch There is a RUNSTOP switch to change the status RUN or STOP. • Serial Communication One RJ45 connector is available as RS-232C port. The other serial port will be available by using dedicated option board. • On-line change On-line change is available. Certain halt time appear if the on-line change is done by programming tool. • RTC function RTC function is available. If the battery is mounted, the data of RTC will be kept. • Expansion unit There is a connector to connect MICRO-EH series expansion unit. Four expansion units can be connected. This is the same functionality of current MICRO-EH series. • High speed counter There are four channels of single phase counters or two channels of dual phase counters. These are selectable but don’t operate at same. • Pulse output There are four channels of pulse outputs. It is possible to use as PWM pulse output. • Option boards There are three kinds of option boards. One is for RS-232C and 2ch analog inputs. One is for RS-485 and 2ch analog inputs. One is just memory board. Memory board can be used RS-232C or RS-485 serial communication board together. • Analog Input There are two channels of Analog inputs on the option board of serial communication. • Battery and Supper capacitor It is possible to have battery to retain the data of data memory and RTC. There is one small supper capacitor on basic units. All Rights Reserved, Copyright © 2006, Hitachi Industrial Equipment Systems Co., Ltd. 10