Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC iQ-R Series – Information/network / RD81DC96 Mitsubishi MELSEC iQ-R Series High speed data communication

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RD81DC96 Mitsubishi MELSEC iQ-R Series High speed data communication

MPN: RD81DC96 · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC iQ-R Series – Information/network
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can RD81DC96 be shipped?

RD81DC96 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up RD81DC96 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for RD81DC96 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for RD81DC96, subject to availability and destination.

The Mitsubishi Electric RD81DC96 is a high speed data communication in the MELSEC iQ-R Series. 10BASE-T/100BASE-TX/1000BASE-T: 1 channel, label function/streaming transfer function. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC iQ-R Series
Category	High speed data communication
Outline	10BASE-T/100BASE-TX/1000BASE-T: 1 channel, label function/streaming transfer function

Software specifications

Number of transfer-enabled personal computers	Up to four host computers Note that the following limits apply: • Up to two host computers as a transfer destination of high speed sampling label for streaming transfer • Up to four simultaneous connections from one host computer
Streaming transfer function: The maximum number of registered data to be transferred (the size of registered data)	• Up to 262144 units of data (262144 words) per module • Up to 65536 units of data per connection However, the maximum of 32768 units of data (32768 words) is applied for high speed sampling labels per module.
Streaming transfer function: Transfer size: High speed data sampling	Up to 3276800 words words per transfer (registered data to be transferred × number of sampling times of transfer cycle)
Streaming transfer function: Transfer size: General data sampling	Registered data to be transferred per transfer (up to 262144 words)
Streaming transfer function: Data transfer interval: High speed data sampling	• Sampling synchronization: batch-transfer of multiple records (2...100 records) is possible. • Time specification: 0.5...100 ms (data sampling interval is the shortest)
Streaming transfer function: Data transfer interval: General data sampling	Sampling synchronization
Streaming transfer function: Data sampling interval: High speed data sampling	• Sequence scan time synchronization • 0.5...0.9 ms, 1...32767 ms (sequence scan time is the shortest)
Streaming transfer function: Data sampling interval: General data sampling	0.1...0.9 s, 1...32767 s
Streaming transfer function: Data type	• Bit • Word [Signed] • Double Word [Signed] • Word [Unsigned]/Bit String [16-bit] • Double Word [Unsigned]/Bit String [32-bit] • FLOAT [Single Precision] • FLOAT [Double Precision] • 16bit BCD • 32bit BCD • String: 1...8192 characters (up to 8192 bytes) • String [Unicode]: 1...4096 characters (up to 8192 bytes) • Raw: 1...8192 bytes
Streaming transfer function: Data output format	• Bit • Word [Signed] • Double Word [Signed] • Word [Unsigned]/Bit String [16-bit] • Double Word [Unsigned]/Bit String [32-bit] • FLOAT [Single Precision] • FLOAT [Double Precision] • String • String [Unicode] • Raw
Data read/data write: The number of data (the number of devices)	Up to 65536 units of data per transfer
Data read/data write: Transfer size	Specified data to be transferred per transfer (up to 262144 words words)
Authentication function	• Host computer IP address • Access account Number of accounts: up to 16 User name: 1 to 20 characters Password: 6 to 32 characters
Maximum number of connectable programmable controller CPUs	Up to 64 CPUs
Label function: The maximum number of labels: High speed data sampling	• Up to 1024 labels per label group • Total: up to 32768 labels
Label function: The maximum number of labels: General data sampling	• Up to 1024 labels per label group • Total: up to 65536 labels
Label function: The maximum number of device points: High speed data sampling	• Up to 4096 points per label group • Total: up to 32768 points
Label function: The maximum number of device points: General data sampling	• Up to 4096 points per label group • Total: up to 262144 points

Hardware specifications

Ethernet: Interface	10BASE-T, 100BASE-TX, 1000BASE-T
Ethernet: Data transmission speed	10 Mbps (10BASE-T), 100 Mbps (100BASE-TX), 1 Gbps (1000BASE-T)
Ethernet: Transmission method	Base band
Ethernet: Number of cascaded connections	Maximum 4 stages (10BASE-T)/Maximum 2 stages (100BASE-TX), Consult the manufacturer of the repeater hub used. (1000BASE-T)
Ethernet: Maximum segment length	100 m
Ethernet: Supported function	Auto-negotiation function (automatic recognition of communication speed/communication method) Auto-MDI/MDI-X (automatic recognition of a straight/crossing cable)
Ethernet: IP version	IPv4
SD memory card slot: Supply power voltage	3.3 V DC
SD memory card slot: Supply power capacity	Up to 200 mA
SD memory card slot: Interface	SD memory card, SDHC memory card
SD memory card slot: Number of installable cards	1
Number of occupied I/O points	32 points (I/O assignment: Intelligent 32 points)
Clock	• Acquired from a CPU module (in multiple CPU system, CPU No.1) • Time accuracy after obtaining the time is a daily variation of ±9.504 seconds
Internal current consumption (5 V DC)	1.1 A
External dimensions: Height	106 mm
External dimensions: Width	27.8 mm
External dimensions: Depth	110 mm
Weight	0.24 kg

Specifications

General specifications

Refer to the general specifications of the CPU module.

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

MELSEC iQ-R High Speed Data Communication Module User's Manual (Startup) (SH-082360ENG-B)	PDF · 3.18MB
MELSEC iQ-R High Speed Data Communication Module User's Manual (Application) (SH-082362ENG-B)	PDF · 4.04MB
MELSEC iQ-R Module Configuration Manual (SH-081262ENG-AU)	PDF · 44.18MB
Before Using the Product (BCN-P5999-1309)	PDF · 0.13MB
Safety Guidelines (IB-0800525)	PDF · 11.79MB