ABB 07 BT 61 R1 Output Module | 16 Ch, 0.5A, 24V DC

This output module provides sixteen digital switching channels for field devices. The ABB 07 BT 61 R1 connects directly to solenoids, contactors, and indicator lamps. You can mount this module in any standard Procontic I/O rack. Its high channel density saves valuable cabinet space significantly.

Physical Dimensions and Hardware Layout

The ABB 07 BT 61 R1 measures 16.5 cm in overall width. Its total depth reaches 18.2 cm including the terminal hood. This output module weighs approximately 0.48 kg. A metal housing provides effective shielding against electrical noise. One green LED indicates backplane power status. Additionally, sixteen yellow LEDs show each channel’s active switching state.

Output Specifications and Load Handling

Each output channel switches 24V DC loads up to 0.5A. The ABB 07 BT 61 R1 provides a total module current of 4A maximum. Built‑in short circuit protection activates at 0.7A per channel. The module also features thermal shutdown for overload conditions. Outputs resume normal operation after fault removal automatically.

Parameter	Specification
Number of Channels	16
Output Type	Transistor (NPN, sinking)
Load Voltage Range	18 to 30V DC
Output Current per Channel	0.5A continuous
Total Module Current	4A max
Short Circuit Trip Point	0.7A ±10%
On‑State Voltage Drop	< 0.5V at 0.5A
Off‑State Leakage	< 0.1 mA
Switching Speed (On)	0.2 ms typical
Switching Speed (Off)	0.3 ms typical
Dimensions (W x H x D)	165 mm x 90 mm x 182 mm
Weight	0.48 kg (1.06 lbs)
Terminal Type	Removable 20‑pin screw block
Wire Size	0.2 to 2.5 mm²
Backplane Current Draw	200 mA @ 5V DC
Power Dissipation	4.5 W max at full load
Internal Energy Storage	100 µF capacitor bank
Protection Features	Short circuit, thermal, overvoltage
LED Indicators	1 green (power), 16 yellow (channels)

Energy Storage and Output Behavior

Internal capacitors maintain output states during brief power dips. The ABB 07 BT 61 R1 stores enough energy for 10 ms of hold‑up time. This storage prevents false output resets during short interruptions. All outputs revert to a safe state after a power failure longer than 10 ms.

Protection Circuits and Diagnostic Features

Short circuit protection limits current to 0.7A per channel automatically. Thermal shutdown activates when internal temperature exceeds 85°C. The ABB 07 BT 61 R1 reports overload events through a group error flag. The host controller can read this flag via the backplane interface.

Wiring and Installation Guidelines

Connect field devices to the removable 20‑pin screw terminal block. The ABB 07 BT 61 R1 accepts solid or stranded wires from 0.2 to 2.5 mm². Use a common 24V DC supply for all output loads. Therefore, proper grounding reduces electrical noise significantly.