🔧 Product Overview

The Phoenix Contact IBS ST ZF 24 BK-T (Order No. 2750743) is an INTERBUS-ST bus terminal module designed to connect input/output modules of an ST station with the INTERBUS network. It provides a reliable interface for modular automation systems, facilitating efficient communication between devices.

📐 Key Specifications

Supply Voltage: 24 V DC (18.5–30.5 V DC including ripple)
Current Consumption: Typically 150 mA (without ST module expansions), up to 650 mA (with maximum I/O modules)
Interfaces:
- INTERBUS Remote Bus: 9-pos. D-SUB plug/socket
- ST Local Bus: ST local bus connector
Transmission Speed: 500 kbps
Connection Technology: Spring-cage connection
Mounting Type: DIN rail
Protection Class: IP20
Dimensions (W × H × D): 81 mm × 117 mm × 116 mm
Weight: Approximately 470 g
Operating Temperature: 0°C to +55°C
Storage Temperature: –20°C to +70°C
Humidity (Operation): 30% to 75% (non-condensing)
Humidity (Storage/Transport): 30% to 95% (non-condensing)
Air Pressure (Operation): 86 kPa to 108 kPa (up to 1500 m above sea level)
Air Pressure (Storage/Transport): 66 kPa to 108 kPa (up to 3500 m above sea level)
Electrical Isolation:
- Incoming remote bus / Outgoing remote bus: 500 V AC, 50 Hz, 1 min
- Supply voltage / Ground conductor: 500 V AC, 50 Hz, 1 min
- Incoming remote bus / ST interface: 500 V AC, 50 Hz, 1 min

Phoenix Contact - 2750743 - IBS ST ZF 24 BK-T - INTERBUS-ST Bus Coupler, 24 V DC