Safety PLCs GuardPLC 1200 Packaged Safety Controller 1754–L28BBB Specifications Number of safety-related digital inputs Nominal Input Voltage On-State Voltage On-State Current Off-State Voltage Off-State Current Number of safety-related digital outputs Output Voltage Range Output Current The GuardPLC 1200 is a safety-related compact Programmable Electronic System (PES), which is designed in accordance with IEC 61131. Despite its small size, it complies with the requirements for a control system with the safety integrity level (SIL 3) according IEC 61508. The GuardPLC 1200 is designed for smaller applications that require functional safety and that can be serviced with a fixed number of I/O points. The compact size of the GuardPLC 1200 combined with DIN rail mounting allows deployment even under cramped space conditions. The GuardPLC 1200 includes a power supply, CPU, Watchdog, 20 digital inputs, 8 digital outputs plus 2 counters and communication ports, all incorporated in a rugged plastic housing. Typical Applications • • • • • Perimeter guarding for Robot/weld cells Perimeter guarding for Packaging Machines Entertainment industry (ride control and ski lift control) Burner Management Press Controls Features • • • • • • • Rugged plastic housing DIN rail mounting I/O self test 30 I/O points 24V digital I/O Multiple I/O test points Certified by TÜV for use in applications to SIL 3 according to IEC 61508; EN 954–1, Category 4 • Programmed with RSLogix Guard Software • RS–232 port for ASCII communication (read only) • Ethernet port for programming, configuration and Peer-to-Peer 8-6 Number of safety-related counters Inputs per counter Counter Resolution Input Frequency Power Supply Voltage Power Rating Ambient Temperature (Operating) Storage Temperature Operating Humidity Shock Vibration Dimensions (WxHxD) Weight 20 (not electrically isolated) 24V DC 10-30V DC 2mA @ 10V DC, 13mA @ 30V DC 5V DC (maximum) 1.5mA per channel (maximum) 4mA per channel (minimum) 8 (not electrically isolated) 18.4 to 26.8 V DC Channels 1 through 6: 0.5A per channel Channels 7 & 8: 2A per channel 2 3 (Input A, Direction, Gate/Reset) 24 Bit 100 kHz (maximum) in counter modes 24V DC(20 / -15%), ≤ 15% ripple 8A (maximum) 0°C to 60°C (32°F to 140°F) -40°C to 85°C (-40°F to 185°F) 5 to 95% (without condensation) Operating: 30g non operating: 50g Operating: 2g @ 10 to 500Hz 90 x 160 x 87mm (3.54 x 6.29 x 3.42in) 0.68 kg