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English | SNAP-OAC5MA SNAP 4-Ch Isolated 12-250 VAC Digital Output Module with Manual/Auto Switches |
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outputs use zero voltage turn on and zero current turn off for transient-free switching. The module features manual-
on/manual-off/automatic switches that override output from the application and are ideal for testing field device wiring.
Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted
controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for
PC-based control or for use as intelligent remote I/O for an Allen-Bradley MicroLogix or other RSLogix-based PLC
system, such as ControlLogix or CompactLogix.
For easier, faster wiring, see SNAP TEX cables and breakout boards.
| SNAP-OAC5 | SNAP-OAC5MA | SNAP-OAC5-i | |
| Key Feature | -- | Diagnostic switches Four isolated channels | Four isolated channels |
| Torque, hold-down screws | 4 in-lb (0.45 N-m) | 4 in-lb (0.45 N-m) | 4 in-lb (0.45 N-m) |
| Torque, connector screws | 5.26 in-lb (0.6 N-m) | 5.26 in-lb (0.6 N-m) | 5.26 in-lb (0.6 N-m) |
| Field Side Ratings (each channel) | |||
| Line Voltage - Range | 24-250 VAC | 24-250 VAC | 24-250 VAC |
| Line Voltage - Nominal | 120/240 VAC | 120/240 VAC | 120/240 VAC |
| Current Rating 0 °C to 70 °C Ambient | 3 amps per module | 3 amps per module | 3 amps per module |
| One Cycle Surge | 80 amps peak (50/60 Hz) | 80 amps peak (50/60 Hz) | 80 amps peak (50/60 Hz) |
| Minimum Load Current | 20 mA | 20 mA | 20 mA |
| Output Voltage Drop | 1.6 volts max.@ 0.75 amps | 1.6 volts max.@ 0.75 amps | 1.6 volts max.@ 0.75 amps |
| Off-state Leakage at Nominal Voltage - 60 Hz | 2.5 mA @ 240 VAC 1.25 mA @ 120 VAC | 2.5 mA @ 240 VAC 1.25 mA @ 120 VAC | 2.5 mA @ 240 VAC 1.25 mA @ 120 VAC |
| Peak Blocking Voltage | 500 V | 500 V | 500 V |
| Operating Frequency | 25–65 Hz | 25–65 Hz | 25–65 Hz |
| dV/ dt - Off-state | 200 volts/msec | 200 volts/msec | 200 volts/msec |
| dV/ dt - Commutating | Snubbed for rated 0.5 power factor load | Snubbed for rated 0.5 power factor load | Snubbed for rated 0.5 power factor load |
| Fuse (Common to all Channels) | 250 VAC - 4A 5x20 mm Fast-acting Bell Fuse Part: BEL 5HF4 Opto 22 Part: SNAP-FUSE4AB | Has four isolated channels. User must provide own fusing. | Has four isolated channels. User must provide own fusing. |
| Channel-to-channel isolation | Not applicable | 300 VAC (1500 V transient) | 300 VAC (1500 V transient) |
| Logic Side Ratings | |||
| Pickup Voltage | 4 V @ 5.5 mA | 4 V @ 5.5 mA | 4 V @ 5.5 mA |
| Dropout Voltage | 1 VDC | 1 VDC | 1 VDC |
| Control Resistance | 220 ohms | 220 ohms | 220 ohms |
| Logic Supply Voltage | 5 VDC ± 0.25 VDC | 5 VDC ± 0.25 VDC | 5 VDC ± 0.25 VDC |
| Logic Supply Current | 50 mA maximum | 50 mA maximum | 50 mA maximum |
| Module Ratings | |||
| Number of Channels Per Module | 4 | 4 | 4 |
| Turn-on Time | 0.5 cycle maximum (zero volts crossover) | 0.5 cycle maximum (zero volts crossover) | 0.5 cycle maximum (zero volts crossover) |
| Turn-off Time | 0.5 cycle maximum (zero current crossover) | 0.5 cycle maximum (zero current crossover) | 0.5 cycle maximum (zero current crossover) |
| Optical Isolation, (Field Side to Logic Side) | 4,000 volts (transient) | 4,000 volts (transient) | 4,000 volts (transient) |
| Temperature | 0 °C to 70 °C, operating -30 °C to 85 °C, storage | 0 °C to 70 °C, operating -30 °C to 85 °C, storage | 0 °C to 70 °C, operating -30 °C to 85 °C, storage |
| Agency Approvals | UL, CE, CSA, RoHS, DFARS | UL, CE, RoHS, DFARS | UL, CE, RoHS, DFARS |
| Warranty | Lifetime | 30 months | Lifetime |