Product Description
Manufacturer: Allen-Bradley
Model/Part Number: 1794-IM8
Description: FlexLogix FLEX I/O 220V AC Input Module
Key Attributes:
| Attribute |
Value |
| Number of Inputs |
8, nonisolated |
| Recommended Terminal Base Unit |
1794-TBN, 1794-TBNK |
| Module Mounting |
Refer to Figure 1 on page 9 |
| On-State Voltage (Min) |
159V AC |
| On-State Voltage (Nominal) |
240V AC |
| On-State Voltage (Max) |
264V AC |
| On-State Current (Min) |
5.27 mA |
| On-State Current (Max) |
13.21 mA |
| Off-State Voltage (Max) |
40V AC |
| Off-State Current (Max) |
2.6 mA |
| Nominal Input Impedance |
22.3 kΩ |
| Nominal Input Current |
12 mA @ 240V AC |
| Isolation Voltage |
250V (continuous), Basic Insulation Type, field side to backplane |
| Type Tested |
1530V AC for 60 s |
| Isolation Between Channels |
None |
| Input Filter Time |
See Table 4 on page 6 |
| Flexbus Current |
30 mA @ 5V DC |
| Power Dissipation (Max) |
4.7 W @ 264V AC |
| Thermal Dissipation (Max) |
16.2 BTU/hr @ 264V AC |
General Specifications:
| Attribute |
Value |
| Terminal Base Screw Torque |
Determined by the installed terminal base |
| Dimensions |
94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) |
| Indicators |
8 yellow status indicators (customer device-driven) |
| External AC Power Supply Voltage (Nominal) |
240V AC |
| External AC Power Supply Input Frequency |
47–63 Hz |
| External AC Power Voltage Range |
159–264V AC (see derating charts on page 9) |
| North American Temperature Code |
T4 |
| Keyswitch Position |
8 |
| Enclosure Type Rating |
None (open-style) |
| Weight (Approx.) |
100 g (3.53 oz) |
| Wire Size |
Determined by the installed terminal base |
| Wiring Category |
2 (on signal ports) |
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