


Product Description
🔹 General Information
Manufacturer |
Allen-Bradley |
---|---|
Model/Part Number |
1734-IB8S |
Description |
POINT I/O Safety Input Module – 8 Inputs, Sinking |
🔹 Technical Specifications
Pulse Test Output
Attribute |
Value |
---|---|
Output Type |
Current sourcing |
Number of Sources (T0, T1M, T2, T3M) |
4 |
Test Output Current (Each Output Point) |
0.7 A max |
Aggregate Current of Test Outputs Per Module |
2.8 A @ 40 °C (104 °F) |
Residual Voltage, Max |
1.2V |
Output Leakage Current, Max |
0.1 mA |
Short Circuit Protection |
Yes |
Max Current (When Used to Control Muting Lamp) |
25 mA |
Max Current (To Avoid Fault When Used as a Muted Lamp Output) |
- |
Min Current (When Used to Control Muting Lamp) |
5 mA |
Min Current (At Which Fault Indication is Generated When Used as a Muted Lamp Output) |
- |
Safety Output
Attribute |
Value |
---|---|
Outputs per Module |
8 |
Output Type |
Current sourcing |
Output Current (Each Output Point) |
1 A max |
Residual Voltage (Drop) |
<0.6V |
Leakage Current, Max |
0.1 mA |
Short-Circuit Detection |
Yes (short high, low, and cross-circuit fault detect) |
Short-Circuit Protection |
Electronic |
Aggregate Current of Outputs Per Module |
8 A (4 A per terminal base) @ 40 °C (104 °F) |
Galvanic Isolation (I/O from Logic) |
50V level |
Tested Voltage |
500V AC or 707V DC for 1 min |
Reaction Time |
<6.2 ms |
🔹 Physical & Environmental Specifications
Attribute |
Value |
---|---|
Keyswitch Positions (Left and Right) |
1734-IB8S: Key 1 = 8 (left); Key 2 = 1 (right) 1734-OB8S: Key 1 = 8 (left); Key 2 = 2 (right) |
Pilot Duty Rating |
Not rated (1734-OB8S only) |
North America Temp Code |
T3 |
Enclosure Type Rating |
None (open-style) |
Wiring Category |
2 - on signal ports |
Wire Size |
Determined by installed terminal block |
Weight, Approx. |
62.4 g (2.2 oz) |
Dimensions (HxWxD), Approx. (Without Terminal Block) |
77 x 25 x 55 mm (3.03 x 0.98 x 2.17 in.) |