| User Memory |
None (relies on primary GuardLogix controller) |
| I/O Memory |
None (relies on primary GuardLogix controller) |
| Backplane Current Load |
800 mA @ 5.1 V DC, 5 mA @ 1.2 V DC |
| Power Dissipation |
2.5 W maximum |
| Processor |
None (functions as safety co-processor for primary GuardLogix controller) |
| Tasks |
None (safety tasks managed by primary controller) |
| Communication Ports |
None (communicates via backplane with primary controller) |
| Communication Protocols |
Backplane communication with primary GuardLogix controller |
| Maximum I/O Connections |
Determined by primary GuardLogix controller |
| Maximum Local I/O Modules |
Determined by primary GuardLogix controller |
| Maximum Controllers per Chassis |
8 (including primary and safety partner) |
| Safety Integrity Level |
Enables SIL 3, Cat. 4 when paired with primary GuardLogix controller |
| Isolation |
30 V (continuous), basic insulation type, backplane to system |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Humidity |
5% to 95% (non-condensing) |
| Vibration Tolerance |
2 G @ 10–500 Hz |
| Shock Tolerance |
30 G (operating), 50 G (non-operating) |
| Dimensions |
145 mm x 35 mm x 140 mm (5.71 in x 1.38 in x 5.51 in) |
| Weight |
0.35 kg (0.77 lb) |
| Standards Compliance |
CE, UL, CSA (Class I, Div 2, Groups A, B, C, D), FM, RCM |
| Certifications |
TUV certified for functional safety (SIL 3) |
| Energy Storage |
1756-ESMCAP (capacitor-based) |