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) |