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Wago 879-9000

Communication module; Modbus TCP

MPN: 879-9000
Category: Energy Measurement Technology

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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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What is the Wago 879-9000?

WAGO's communication module extends the WAGO Energy Meters and other Modbus RTU slaves with ETHERNET access. The Modbus TCP Module’s design is based on the 879 Series Energy Meters and has the same profile as these. There are various options for connecting the communication module to the energy meters:

1. Connection to the energy meter via UART interface (one communication module per energy meter)

2. Connection via RS-485 interface (up to 32 generic Modbus® slaves)

Features:

Communication module snaps onto WAGO's energy meter

Modbus TCP

Direct connection to the energy meters via RS-232 lateral UART interface

RS-485 interface for connecting up to 32 generic Modbus RTU slaves

Configuration via configuration software or Modbus ® function codes

Maximum number of permitted Modbus TCP connections: 4

Specifications

Technical data - Input

Nominal input voltage U<sub>i nom</sub>

5 VDC (SELV)

Technical data - Signaling and communication

Communications	Modbus (TCP), RS-232/-485 Interface
Configuration options	Configuration software
Transmission rate	ETHERNET: Twisted Pair S-UTP; 100 Ω; Cat. 5: 100 MBd (ETHERNET: 10/100 Mbit/s)

Connection data - Connection 1

Connection type	Modbus TCP/UDP
Connection technology	RJ-45

Connection data - Connection 2

WAGO connector	WAGO 2604 Series
Connection technology	RS-485

Connection data - Connection 3

Connection type	UART
Connection technology	Male connector; 4-pole

Physical data

Width	17 mm / 0.67 inches
Height	140 mm / 5.51 inches
Depth	60 mm / 2.36 inches
Note (dimensions)	Height without cover: 92 mm

Mechanical data

Mounting type

DIN-35 rail

Material data

Weight

74 g

Standards and specifications

Conformity marking

Commercial data

PU (SPU)	1 pcs
Packaging type	Box
Country of origin	CN
Customs tariff number	85176200000

Product Classification

UNSPSC	43222605
ETIM 9.0	EC002498
ETIM 10.0	EC002498
ECCN	NO US CLASSIFICATION

Environmental Product Compliance

RoHS Compliance Status

Compliant,No Exemption

879-9000: frequently asked questions

When can 879-9000 be shipped?

879-9000 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 879-9000 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 879-9000 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 879-9000, subject to availability and destination.