Siemens 6NH1804-1BB01-2BB2 Telecontrol Module

This Siemens telecontrol interface module enables remote monitoring and control of automation systems. The Siemens 6NH1804-1BB01-2BB2 connects S5 controllers to telecontrol networks for data exchange. Its robust design ensures reliable communication over long-distance transmission lines. This module suits water, energy, and transportation infrastructure applications.

Physical Dimensions and Mounting Specifications

The module measures 232 mm in height and 25 mm in width. Its overall depth reaches 160 mm including the front connector. This unit weighs approximately 0.55 kilograms for stable rack installation. The housing supports standard 35 mm DIN rail mounting in S5 racks. The Siemens 6NH1804-1BB01-2BB2 features a 20-pin front connector for all signal wiring. A 15-pin D-sub connector provides the telecontrol interface.

Communication and Transmission Specifications

This module supports serial communication with data rates up to 9600 bit/s. It operates over distances up to 15 kilometers using dedicated transmission lines. The unit uses a master-slave protocol for remote data exchange. It handles up to 32 remote stations in a single telecontrol network. The Siemens 6NH1804-1BB01-2BB2 supports both point-to-point and point-to-multipoint configurations. It provides data transparency for various application protocols.

Electrical Characteristics and Diagnostic Features

The module draws a typical current of 150 mA from the 24 V DC supply. It includes a 220 µF capacitor for energy storage during brief interruptions. The Siemens 6NH1804-1BB01-2BB2 features galvanic isolation for the telecontrol interface. This isolation withstands 1500 V for surge protection. Front panel LEDs indicate communication activity and fault conditions. Diagnostic functions monitor line quality and transmission errors.

Detailed Specification Table

Parameter	Specification
Dimensions (H x W x D)	232 mm x 25 mm x 160 mm
Weight	Approx. 0.55 kg
Communication Protocol	Master-slave, serial
Data Rate	Up to 9600 bit/s
Transmission Distance	Up to 15 km
Maximum Remote Stations	32
Topology	Point-to-point, point-to-multipoint
Supply Voltage	24 V DC
Current Consumption	150 mA (typical)
Energy Storage Capacitance	220 µF
Isolation Voltage	1500 V
Interface Connector	15-pin D-sub
Operating Temperature	0°C to 60°C

Application and Configuration Guidelines

Mount this module in any available slot of the S5 rack system. Connect the telecontrol line to the 15-pin D-sub connector securely. Set the station address using the DIP switches on the module. The Siemens 6NH1804-1BB01-2BB2 operates effectively between 0°C and 60°C. Configure the communication parameters using the STEP 5 software. Select the appropriate data rate for network compatibility. Monitor the LEDs to verify data transmission and line quality.