Performance

Logic Execution Speed: 0.1 ~ 0.5 ms / 1K instructions (LL984 logic)

Watchdog Timer: 250 ms

Memory

Internal RAM: 896 KB (program + data, battery-backed)

External Expansion: PCMCIA slot, up to 2 MB (for data logging/trends)

Battery: 1.2 Ah lithium, retention ≥ 10 years

Communication Ports (Integrated)

Modbus Plus (MB+): 1 × DB9, 1 Mbps, peer-to-peer network

Modbus RTU (RS-232): 2 × DB9, master/slave

I/O Capacity

Local I/O: Max 64 In / 64 Out (words)

Distributed I/O: 30 In / 32 Out (base); up to 500 In / 500 Out (max)

Remote I/O: Max 64 In / 64 Out (words)

Network Drops: 63 distributed, 31 remote

Electrical & Mechanical

Backplane Current: 1,250 mA @ 5 VDC (≈ 6.25 W)

Operating Temperature: 0 °C to +60 °C (32 °F to 140 °F)

Storage Temperature: -40 °C to +85 °C (-40 °F to 185 °F)

Dimensions: 165 × 110 × 40 mm (6.5 × 4.3 × 1.6 in)

Weight: Approx. 0.91 kg (2.0 lb)

Certifications: CE, UL, CSA

Software Compatibility

Programming Software: ProWORX 32, Unity Pro / EcoStruxure Control Expert

Languages: LL984, Ladder Logic, Structured Text, FBD, SFC