Selec XC22B 4 Digit Thumbwheel Counter
Selec XC22B Programmable/Preset Counter – 4-Digit LED Display, 72×72 mm
Industrial preset counter with thumbwheel setting, ON-delay/interval modes, auto-reset (up to 7 s), SPDT relay outputs, NPN/PNP compatibility, and universal 90–270V AC/DC supply—ideal for batch counting, machine automation, and process sequencing.
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The Selec XC22B is a rugged industrial programmable preset counter designed for automation applications requiring accurate batch counting and relay-based control. It offers a 4-digit LED display, thumbwheel preset input, NPN/PNP compatibility, two SPDT relay outputs, ON-delay/interval modes, and a universal 90–270V AC/DC power supply. Ideal for packaging lines, conveyor automation, cycle control, and production counting.
Key Features
4-digit single 7-segment LED display for clear visibility
Preset counter with thumbwheel setting
Modes: ON-delay / Interval
Input type: Voltage pulses (5–30V DC) from proximity switches, encoders & solid-state devices
Input speeds: 30 Hz or 5 kHz (high-speed counting)
Sensor compatibility: NPN/PNP
Inbuilt 12V DC, 30 mA sensor supply for powering proximity sensors
Two SPDT relay outputs (10A NO rating, 5A NC rating)
Auto-reset (up to 7 s), remote reset, and front reset
Memory retention (selectable) to store counts on power loss
Universal supply 90–270V AC/DC
0–50°C operating temperature; 95% RH humidity tolerance
Technical Specifications
Display
| Parameter | Value |
|---|---|
| Display | 4 digits, 7-segment LED |
| LED Indication | Relay ON |
Input Specifications
| Parameter | Value |
|---|---|
| Sensor Type | NPN / PNP |
| Input Type | 5–30V DC pulses (proximity, encoder, solid-state, contacts) |
| Input Speed | 30 Hz / 5 kHz |
| Reset Options | Front, Remote, Auto |
Output Specifications
| Parameter | Value |
|---|---|
| Sensor Supply | 12V DC, 30 mA (inbuilt) |
| Relay Contact | 2× SPDT |
| Relay Rating | NO: 10A @ 250VAC/28VDC, NC: 5A @ 250VAC/28VDC |
Functional Specifications
| Parameter | Value |
|---|---|
| Range | 0–9999 counts |
| Modes | ON-delay / Interval |
| Set Point | 1 |
| Counting Direction | Up |
| Auto-Reset | Selectable up to 7 sec |
| Memory Retention | Yes (selectable) |
Auxiliary Supply
| Parameter | Value |
|---|---|
| Supply Voltage | 90–270V AC/DC (50/60 Hz) |
| Power Consumption | – (datasheet lists 5 VA for similar units; the XC22B is unspecified but in the same family.) |
Environment
| Parameter | Value |
|---|---|
| Operating Temp | 0–50°C |
| Storage Temp | –5 to 50°C |
| Humidity | 95% RH non-condensing |
Mechanical
| Parameter | Value |
|---|---|
| Mounting | Panel mount |
| Dimensions | 72×72 mm front; 115 mm depth; 68 mm cut-out depth |
| Weight | 210 g |
Applications
Batch counting
Packaging machinery
Conveyor automation
Machine cycle control
Production monitoring
Punching/stamping counters
Relay-based sequencing control
What’s in the Box?
XC22B Programmable Counter
Mounting clamps
User manual
Warranty card
FAQs
Q1. Can XC22B operate as a preset batch counter?
Yes—it is designed as a programmable preset counter with relay output.
Q2. What types of sensors does it support?
It supports NPN and PNP sensors and 5–30V DC pulse inputs from proximity switches, encoders, and contacts.
Q3. Does it support auto-reset?
Yes—auto-reset is selectable up to 7 seconds.
Q4. Are relay outputs available?
Yes—2× SPDT relays, NO: 10A, NC: 5A.
Q5. Does memory retain counts after power loss?
Yes—memory retention is selectable.
Q6. What is the max counting speed?
Selectable 30 Hz or high-speed 5 kHz.