The MTT MS3711A is an enhanced version of the plug-in pulse divider, built for applications with faster pulse trains and a need for finer division control. It handles input frequencies up to 100kHz, twice the range of the standard model, and its four front-panel rotary switches let the division ratio be dialled in anywhere from 1/1 to 1/10000, giving a much wider and more precise scaling range for high-speed counters and flow meters.
Like the standard model, it reshapes and reconditions incoming pulses from dry contacts, open collectors, or AC/DC voltage and current sources, and can drive two isolated outputs at once so a divided signal can feed a control system while another feeds a separate monitor or counter. It clips into its own plug-in socket base for fast swap-out during maintenance, and its AC-powered design fits easily into an existing wall or DIN rail mounted panel.
| Input Frequency | Up to 100kHz max. |
| Input Pulse Width | 10µs min. |
| Input Types | Dry contact/open collector, AC voltage (0.06Vp-p threshold), DC voltage (2V threshold), or 4-20mA DC pulses (8mA threshold) |
| Input Voltage/Current | Up to 200Vp-p AC or 30V DC max. continuous |
| Division Ratio | 1/1 to 1/10000, set via four 10-position rotary switches |
| Output | TTL level, open collector, 10V±10%, or 12V±10% voltage pulses; single or dual output |
| Output Frequency | Up to 100kHz (voltage); up to 50kHz (open collector) |
| Output Load | TTL: 5mA max. @ 3.5V; voltage pulse: 7mA max. @ ±10% |
| Isolation | 4-way isolation between input, output 1, output 2, and power |
| Insulation Resistance | 100MΩ min. at 500V DC |
| Dielectric Strength | 2000V AC for 1 minute |
| Power Supply | 100-240V AC (50-60Hz) |
| Power Consumption | 5.5VA max. (dual output) |
| Accuracy | Better than ±0.1% of span for each power supply range |
| Dimensions | W29 × H86 × D125mm |
| Weight | 120g max. (main unit), plus 80g max. socket |
| Mounting | Wall or DIN rail mounting |
| Terminals | M3.5 screw terminals |
| Operating Temperature | -5 to 55°C |
| Operating Humidity | 5 to 90% RH, non-condensing |
Frequently Asked Questions
What is the MTT MS3711A used for?
It sits between a high-speed pulse-generating sensor or counter and your downstream display, PLC, or data logger, dividing down a fast pulse train to a rate the receiving equipment can read, while reshaping and isolating the signal along the way.
What division ratios can the MS3711A handle?
The division ratio is set via four front-panel 10-position rotary switches, giving a wide range from 1/1 to 1/10000, so you can dial in precise scaling on site.
What’s the difference between the MS3711A and the standard MS3711?
The MS3711A is the enhanced version. It accepts input frequencies up to 100kHz (double the MS3711’s 50kHz range) and its four rotary switches give a much wider division ratio range (1/1 to 1/10000, versus 1/1 to 1/3200 on the MS3711). Choose the MS3711A when your pulse source runs faster or you need finer ratio control.
Can the MS3711A provide two separate outputs?
Yes — it can drive two isolated outputs at once, so one divided signal can feed a control system while another feeds a separate monitor or counter.
How do I know if I need the MS3711A instead of the standard MS3711?
If your input pulse frequency runs above 50kHz, or you need finer division ratio control than the MS3711’s switch settings allow, the MS3711A is the right choice. Send us your input frequency and required division ratio and we can confirm.
Download MTT MS3711A Slim Plug-In Pulse Divider information here
Spec Sheet: SpecSheet1_MS3711A_Rev120_E.pdf
Manual: Manual1_MS3711A_Rev110_E.pdf
