Pantron's ISM series combines single-channel amplifiers and multi-channel multiplexers into one cohesive platform for modern industrial controls. The family is built for harsh applications where dirt, spray, dust, fog, or close sensor spacing can challenge conventional photoelectric devices. Depending on the model, the range includes manual and automatic gain control, semiconductor or relay outputs, alarm signaling, timer functions, test inputs, analog outputs, and an expansion for multi-beam arrangements.
The ISM family covers applications from straightforward single-channel through-beam sensing to cascaded multi-channel systems. For integrators and OEMs, the platform provides a consistent control architecture across a wide performance range, making it easier to standardize on one family for conveyor detection, access control, light curtain style arrangements, bulk material handling, and other contamination-heavy environments.
The multi-channel versions are designed to let multiple photoelectric pairs operate in close proximity without crosstalk. In applications that require several optical paths side by side, each sensor pair is assigned to its own channel, improving reliability where a conventional photoeye layout would be difficult to maintain.
| Type | No. of channels | Power adjustment | Relay output | Semiconductor output | Switching delay | Analog output | Alarm output | Test input |
|---|---|---|---|---|---|---|---|---|
| ISM-1000 | 1 | manual | - | ✓ | - | - | - | ✓ |
| ISM-1100 | 1 | manual | - | ✓ | - | - | ✓ | ✓ |
| ISM-1200 | 1 | manual / automatic | - | ✓ | - | ✓ | ✓ | ✓ |
| ISM-1220S | 1 | manual / automatic | ✓ | - | ✓ | - | ✓ | ✓ |
| ISM-1230 | 1 | manual | ✓ | - | - | ✓ | ✓ | ✓ |
| ISM-1510/15 | 1 | manual | Variant dependent | Variant dependent | - | - | - | - |
| ISM-1516 | 1 | manual | - | ✓ | - | - | - | - |
| ISM-1520/25 | 1 | manual | Variant dependent | Variant dependent | - | - | - | - |
| ISM-1530/35 | 1 | manual | Variant dependent | Variant dependent | ✓ | - | - | - |
| ISM-1800 | 1 | automatic | - | ✓ | - | - | ✓ | ✓ |
| ISM-2000 | 2 | manual / automatic | - | ✓ | - | - | ✓ | ✓ |
| ISM-2800 | 2 | automatic | - | ✓ | - | - | ✓ | ✓ |
| ISM-4000 | 4 | manual / automatic | - | ✓ | ✓ | ✓ | ✓ | ✓ |
| ISM-4800 | 4 | manual / automatic | - | ✓ | ✓ | ✓ | ✓ | ✓ |
| ISM-8000 | 8 | manual / automatic | - | ✓ | ✓ | ✓ | ✓ | ✓ |
| ISM-8800 | 8 | manual / automatic | - | ✓ | ✓ | ✓ | ✓ | ✓ |
The overview above is based on Pantron's ISM series selection table and is intended as a fast comparison aid when choosing between single-channel amplifiers and multi-channel multiplexers.
Single-channel amplifier with manual operation and test input for baseline long-range sensing.
Single-channel manual model with selectable operating behavior, alarm output, and expanded configuration flexibility.
Single-channel amplifier with manual and automatic modes, analog output, and sensor-control features.
Single-channel AC-powered variant with relay output, timer capability, and manual/automatic operation.
Single-channel automatic amplifier for optical dust and turbidity measurement with analog output tracking process attenuation.
Cost-conscious single-channel versions for compact panels, including low-profile and output-variant options.
Single-channel amplifiers with selectable transmit level and light/dark switching in relay or semiconductor versions.
Single-channel timer-equipped versions for applications that need switching delay with light/dark selection.
Single-channel automatic amplifier in four transmit levels, optimized for vehicle wash environments with alarm output and test input.
Dual-channel multiplexer with manual and automatic modes for closely spaced sensor pairs without crosstalk.
2-channel automatic multiplexer with four selectable transmit levels, optimized for vehicle wash and harsh contamination environments.
4-channel system with menu-driven setup, analog output, timer functions, and primary/secondary capability.
4-channel multiplexer with manual or automatic operation, analog output, timer functions, and primary/secondary capability for demanding environments.
8-channel multiplexer for larger multi-beam layouts where density, diagnostics, and expansion are important.
8-channel multiplexer for large multi-beam systems in harsh environments, with analog output, alarm/error outputs, and primary/secondary capability.
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