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MELSEC iQ-R Series R08ENCPU
| Hardware specifications | / Stored program cyclic operation |
| Operation control method | Refresh mode (The direct access input/output is available by specifying the direct access input/output (DX, DY).) |
| I/O control mode | 0.98 ns |
| Instruction processing time - LD instruction | 1.96 ns |
| Instruction processing time - MOV instruction | 1.96 ns |
| Instruction processing time (structured text) - IF | 1.96 ns |
| Instruction processing time (structured text) - CASE | 1.96 ns |
| Instruction processing time (structured text) - FOR | 80K steps (320K bytes) |
| Memory capacity - Program capacity | 320K bytes |
| Memory capacity - SD memory card | 1188K bytes |
| Memory capacity - Device/label memory | 10K bytes |
| Memory capacity - Signal flow memory - Area for programs | 256K bytes |
| Memory capacity - Signal flow memory - Area for function blocks | 5M bytes |
| Memory capacity - Data memory | 5120K bytes |
| Memory capacity - Function memory | 1072K bytes (536K words) (including the fixed scan communication area (24K words)) |
| Memory capacity - CPU buffer memory | 2048K bytes |
| Memory capacity - Refresh memory | 380 |
| Maximum number of storable files - Program memory | 324 (with or without an extended SRAM cassette) |
| Maximum number of storable files - Device/label memory (file storage area) | 512 |
| Maximum number of storable files - Data memory | 512 |
| Maximum number of storable files - Function memory | • NZ1MEM-2GBSD: 256 • NZ1MEM-4GBSD, NZ1MEM-8GBSD, NZ1MEM-16GBSD: 32767 |
| Maximum number of storable files - SD memory card | 512 |
| Number of storable folders - Data memory | 512 |
| Number of storable folders - Function memory | • NZ1MEM-2GBSD: 256 • NZ1MEM-4GBSD, NZ1MEM-8GBSD, NZ1MEM-16GBSD: 32767 |
| Number of storable folders - SD memory card | USB2.0 High Speed (miniB)×1 |
| USB port | CPU part: 10BASE-T/100BASE-TX×1 Network part: 10BASE-T/100BASE-TX/1000BASE-T×2 |
| Ethernet port | Year, month, date, hour, minute, second, and day of week (automatic leap year adjustment) Accuracy: -1.00...+1.00 s/d at 0...55 ˚C |
| Clock function | CPU part: - Network part: 32 points (I/O assignment: Intelligent 32 points) |
| Number of occupied I/O points | Capacitor |
| Backup power - Backup method | Three minutes |
| Backup power - Backup power time | Device/label memory, clock data |
| Allowable momentary power failure time | 1.49 A |
| Internal current consumption (5 V DC) | 106 mm (base unit mounting side: 98 mm) |
| External dimensions - Height | 56 mm |
| External dimensions - Width | 110 mm |
| External dimensions - Depth | 0.40 kg |
| Weight | / Ladder diagram (LD), sequential function chart (SFC), structured text (ST), function block diagram (FBD/LD) |
| Programming specifications | Function block (FB), label programming (system/local/global) |
| Programming language | Initial execution type, scan execution type, fixed scan execution type, event execution type, standby type |
| Programming supporting function | Internal timer interrupt (I28 to I31), high-speed internal timer interrupt 1 (I49), high-speed internal timer interrupt 2 (I48), interrupt by modules, inter-module synchronous interrupt (I44) |
| Program operation - Execution type - Standard program | 252 |
| Program operation - Type of interrupt - Standard program | 128 |
| Number of executable programs - General program | 0.2...2000 ms (in 0.1 ms increments) |
| Number of FB files - FB file | 0.5...1000 ms (in 0.5 ms increments) |
| Tact performance - Constant scan | 0.05...1000 ms (in 0.05 ms increments) |
| Tact performance - Cyclic interrupt - Interrupt using the internal timer (I28...I31) | 0.05...1000 ms (in 0.05 ms increments) |
| Tact performance - Cyclic interrupt - High-speed internal timer interrupt 1 (I49) | 0.1...10.00 ms (in 0.05 ms increments) |
| Tact performance - Cyclic interrupt - High-speed internal timer interrupt 2 (I48) | 1...1000 ms (Default: 100 ms) |
| Tact performance - Cyclic interrupt - Inter-module synchronous interrupt (I44) | 0.01...100 ms (Default: 10 ms) |
| Timer performance - Low-speed timer | 0.001...1000 ms (Default: 0.001 ms) |
| Timer performance - High-speed timer | 4096 points |
| Timer performance - Long timer | 12288 points (fixed) |
| Number of I/O points | 12288 points (fixed) |
| Number of user device points - Input (X) | 12288 points (user-changeable) |
| Number of user device points - Output (Y) | 8192 points (user-changeable) |
| Number of user device points - Internal relay (M) | 8192 points (user-changeable) |
| Number of user device points - Latch relay (L) | 2048 points (user-changeable) |
| Number of user device points - Link relay (B) | 2048 points (user-changeable) |
| Number of user device points - Link special relay (SB) | 2048 points (user-changeable) |
| Number of user device points - Annunciator (F) | 0 points (user-changeable) |
| Number of user device points - Edge relay (V) | 1024 points (user-changeable) |
| Number of user device points - Step relay (S) | 1024 points (user-changeable) |
| Number of user device points - Timer device - Timer (T) | 0 points (user-changeable) |
| Number of user device points - Timer device - Long timer (LT) | 0 points (user-changeable) |
| Number of user device points - Retentive timer device - Retentive timer (ST) | 512 points (user-changeable) |
| Number of user device points - Retentive timer device - Long retentive timer (LST) | 512 points (user-changeable) |
| Number of user device points - Counter device - Counter (C) | 18432 points (user-changeable) |
| Number of user device points - Counter device - Long counter (LC) | 8192 points (user-changeable) |
| Number of user device points - Data register (D) | 2048 points (user-changeable) |
| Number of user device points - Link register (W) | 4096 points (fixed) |
| Number of user device points - Link special register (SW) | 4096 points (fixed) |
| Number of system device points - Special relay (SM) | 16 points (fixed) |
| Number of system device points - Special register (SD) | 16 points (fixed) |
| Number of system device points - Function input (FX) | 5 points × 4 words (fixed) |
| Number of system device points - Function output (FY) | 0 points (user-changeable) |
| Number of system device points - Function register (FD) | 20 points (user-changeable, up to 24 points) |
| Number of file register points - File register (R/ZR) | 2 points (user-changeable, up to 12 points) |
| Number of index register points - Index register (Z) | 8192 points (user-changeable, up to 16384 points) |
| Number of index register points - Long index register (LZ) | 1024 points (fixed) |
| Number of pointer points - Pointer (P) (global/local) | 160K points maximum |
| Number of pointer points - Interrupt pointer (I) | 160K points maximum |
| Number of link direct device points - Link input (J☐\X☐) | 640K points maximum |
| Number of link direct device points - Link output (J☐\Y☐) | 2560K points maximum |
| Number of link direct device points - Link relay (J☐\B☐) | 5120 points maximum |
| Number of link direct device points - Link register (J☐\W☐) | 5120 points maximum |
| Number of link direct device points - Link special relay (J☐\SB☐) | 268435456 points maximum |
| Number of link direct device points - Link special register (J☐\SW☐) | 268435456 points maximum |
| Number of module access device points - Intelligent function module device (U☐\G☐) | 12288 points maximum |
| Number of CPU buffer memory access device points - Buffer memory (U3E☐\G☐) | 524288 points (1048576 points maximum) |
| Number of CPU buffer memory access device points - Fixed scan communication area in the buffer memory (U3E☐\HG☐) | 15 points |
| Number of refresh data register points - Refresh data register (RD) | 320 points |
| Number of other device points - SFC block device (BL) | / CPU part: 100/10 Mbps Network part: 1 Gbps/100/10 Mbps |
| Number of other device points - SFC transition device (TR) | 1000BASE-T: Full-duplex (network part) 100BASE-TX: Full-duplex/half-duplex 10BASE-T: Full-duplex/half-duplex |
| Specifications of the built-in Ethernet function | RJ45 (AUTO MDI/MDI-X) |
| Transmission specifications - Data transmission speed | Base band |
| Transmission specifications - Interface | CPU part: Not available Network part: Available |
| Transmission specifications - Transmission method | 100 m (length between hub and node) |
| Transmission specifications - Maximum frame size | IPv4 |
| Transmission specifications - Jumbo frame | CPU part: 16 connections (connections usable on a program) Network part: 64 connections (connections usable on a program) |
| Transmission specifications - Maximum segment length | CPU part: - Network part: 5K words × 16 |
| Transmission specifications - IP version | CPU part: 5K words × 16 Network part: 5K words × 48 |
| Sending/receiving data storage memory - Number of simultaneously open connections | CPU part: - Network part: 6K words × 1 |
| Operating ambient temperature | 0...55 ˚C |
| Storage ambient temperature | -25...75 ˚C |
| Operating ambient humidity | 5...95 %RH, non-condensing |
| Storage ambient humidity | 5...95 %RH, non-condensing |
| Vibration resistance - IEC 61131-2: 2007/JIS B 3502: 2011 - Under intermittent vibration | Frequency: 5...8.4 Hz, Half amplitude: 3.5 mm Frequency: 8.4...150 Hz, Constant acceleration: 9.8 m/s 2 Sweep count: 10 times each in X, Y, and Z directions |
| Vibration resistance - IEC 61131-2: 2007/JIS B 3502: 2011 - Under continuous vibration | Frequency: 5...8.4 Hz, Half amplitude: 1.75 mm Frequency: 8.4...150 Hz, Constant acceleration: 4.9 m/s 2 |
| Shock resistance - IEC 61131-2: 2007/JIS B 3502: 2011 | Three shocks in each direction per axis, on 3 mutually perpendicular axes (total of 18 shocks) |
| Operating atmosphere | No corrosive gases, flammable gases, less conductive dust |
| Operating altitude | 0...2000 m |
| Installation location | Inside a control panel |
| Overvoltage category | II or less |
| Pollution degree | 2 or less |
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Normal delivery takes 2–6 business days subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
