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This central unit manages logic execution for medium to large control systems. The ABB 07 ZE 60 R302 belongs to the advanced Procontic family of controllers. You can program this unit using function block diagrams or ladder logic. Its robust design supports continuous operation in harsh industrial environments.
Physical Dimensions and Hardware Layout
The ABB 07 ZE 60 R302 measures 16.5 cm in overall width. Its total depth reaches 18.2 cm including terminal covers. This central unit weighs approximately 0.90 kg. A metal housing provides excellent electromagnetic shielding properties. Four mounting screws secure the unit to a standard DIN rail.
Memory Capacity and Processing Features
This central unit contains 32 kB of user program memory. The module also includes 8 kB of retentive data storage. Processing speed reaches 1.0 µs per logic operation. The ABB 07 ZE 60 R302 executes cyclic programs every 25 ms. Additionally, it handles up to 64 local I/O points directly.
| Parameter | Specification |
|---|---|
| Product Type | Procontic central unit |
| Program Memory | 32 kB RAM with battery backup |
| Retentive Memory | 8 kB EEPROM |
| Processing Speed | 1.0 µs per Boolean instruction |
| Cycle Time | 25 ms fixed |
| Local I/O Capacity | 64 points (mixed digital/analog) |
| Integrated Digital Inputs | 16 (24V DC, sink/source) |
| Integrated Digital Outputs | 8 (24V DC, 0.5A transistor) |
| Integrated Analog Inputs | 2 (0‑10V or 0‑20 mA) |
| Communication Ports | 1x RS‑485 (Procontic bus), 1x RS‑232 (programming) |
| Programming Interface | 9‑pin D‑sub |
| Dimensions (W x H x D) | 165 mm x 90 mm x 182 mm |
| Weight | 0.90 kg (1.98 lbs) |
| Supply Voltage | 24V DC ±20% |
| Current Draw | 220 mA typical |
| Power Dissipation | 5.3 W max |
| Internal Energy Storage | 470 µF capacitor bank |
| Battery for RAM | CR2450 lithium (3 years typical) |
| Real‑Time Clock | Yes, with battery backup |
| Operating Temperature | -10°C to +55°C |
| LED Indicators | Power, run, error, battery, bus (5 LEDs) |
Energy Storage and Data Preservation
Large capacitors maintain operation during 15 ms power interruptions. A CR2450 lithium battery preserves program RAM for 3 years. The ABB 07 ZE 60 R302 stores retentive variables in EEPROM automatically. Consequently, you lose no critical data after extended power outages. The real‑time clock also relies on battery backup.
Integrated I/O and Bus Expansion
Sixteen digital inputs accept signals from switches and sensors. Eight transistor outputs drive small relays or indicator lights. Two analog inputs handle 0‑10V or 0‑20 mA signals. The RS‑485 bus connects additional I/O modules up to 200 meters. This central unit supports up to 16 expansion modules on the bus.
Programming Environment and Diagnostics
You program the ABB 07 ZE 60 R302 using Procontic SOFT software. The RS‑232 port provides a direct connection for program uploads. Five front panel LEDs simplify troubleshooting at a glance. A red error LED flashes a specific blink pattern. This pattern identifies the exact cause of any system fault.