Finder 7S.14.9.024.0220 Forced Guided Contact Safety Relay Module

شريحة	شفرة	معنى
كود السلسلة	7س	Finder 7S series forced guided contact safety relay module, compliant with EN 50205:2002 النوع أ
تكوين الاتصال	14	4-القطب, 2 مفتوح عادة + 2 Normally Closed contacts
تصاعد & صالة	9	تركيب السكك الحديدية DIN, cage-clamp terminal, 22.5عرض ملم
الجهد لفائف	24	24V DC control coil
إصدار & ميزة	220	Standard version without extra functions

فئة	المعلمة	ملاحظات
Basic Info
الشركة المصنعة	Finder	Famous Italian relay brand
نوع المنتج	Forced guided contact safety relay module	Non-latching type
رقم الطلب	7S.14.9.024.0220 / 7S1490240220	Two formats are both applicable
المعلمات الكهربائية
الجهد لفائف	24في العاصمة	Standard industrial control voltage
استهلاك طاقة الملف	1.2دبليو	Typical value
Contact Arrangement	2لا + 2NC (4ص)	Forced guided design for synchronous contact operation
التصنيف الحالي	6A @ 250V AC (ايه سي-1)	Rated value for different load types
	6A @ 30V DC (DC-1)
	3A @ 230V AC (ايه سي-15)
مواد الاتصال	AgNi Silver Nickel Alloy	High conductivity and wear resistance
ميكانيكية & المعلمات البيئية
نوع التثبيت	دين السكك الحديدية (في 60715)	22.5mm compact width
نوع المحطة	Cage-clamp	Screwless wiring, تركيب سهل
درجة الحماية	IP20	Finger-proof, suitable for cabinet interior
درجة حرارة التشغيل	-40درجة مئوية ~ +70 درجة مئوية	Wide temperature range for industrial use
درجة حرارة التخزين	-40°C ~ +85°C
شهادة	في 50205:2002 النوع أ, في 13849-1	International safety relay standards
خدمة الحياة	ميكانيكية: 10⁷ operations
خدمة الحياة	كهربائي: 10⁵ operations at rated load

ماركة	نموذج	التشابه	الاختلافات
Pilz	PNOZ X2.8P 24VDC	2لا + 2NC, 24VDC, forced guided contact	Professional safety relay, higher price and richer functions
سيمنز	3TK2825-1BB40	2لا + 2NC, 24VDC, جبل السكك الحديدية DIN	Better compatibility in industrial automation
شنايدر	Zelio SR2B121BD	2لا + 2NC, 24VDC, forced guided contact	Different terminal design, فعالة من حيث التكلفة
اومرون	G9SA-321-T075	2لا + 2NC, 24VDC, safety certified	حجم صغير, ideal for limited space

5.1 Common Fault Analysis

ظاهرة الخلل	الأسباب المحتملة	Inspection Steps
Coil fails to pull in	1. Insufficient or reversed coil voltage	1. Measure coil voltage to confirm 24V DC
	2. Burnt coil	2. Test coil resistance (طبيعي: approx 480Ω)
	3. الأسلاك فضفاضة	3. Check terminal tightness
No contact movement	1. Jammed forced guided mechanism	1. Check mechanical flexibility after power off
	2. Oxidized or burnt contacts	2. Inspect contact surface damage
	3. Mechanical wear	3. Verify contact travel distance
التصاق الاتصال	1. Arc burn caused by overload or short circuit	1. Check actual load exceeding rating
التصاق الاتصال	2. Contact material fatigue	2. Replace relay module
LED indicator off	1. Damaged LED	1. Check power supply connection
	2. Power disconnection	2. Replace with identical module for test
	3. فشل الدائرة الداخلية

5.2 صيانة & اقتراح الاستبدال

Safety Priority: Cut off power and wait at least 5 minutes for capacitor discharge before maintenance.
Modular Structure: On-site repair is not recommended; integral replacement is preferred.
Replacement Procedure

Record wiring positions by photos or sketches

Remove old module from DIN rail

Install new module and reconnect wires accordingly

Power on and verify normal operation

Inspect terminal connection every 6 شهور

Avoid overload, reserve 30% current margin

Shorten replacement cycle to 2-3 years under harsh conditions

6.1 الحقول القابلة للتطبيق

صناعة	Typical Application	وظيفة السلامة
Machinery Manufacturing	Emergency stop circuit, safety door monitoring	Prevent accidental startup, protect operators
Automatic Production Line	Safety light curtain, two-hand control circuit	Secure operating area safety
Elevator & Escalator	Door lock monitoring, safety loop	Avoid unexpected elevator movement
النقل بالسكك الحديدية	Door control, braking system	Comply with railway safety standards
ماكينات التعبئة والتغليف	Guardrail monitoring, توقف الطوارئ	Personnel injury prevention

6.2 Inadmissible Working Conditions

High vibration environment such as stamping machines, shockproof bracket required

Humid and dusty environment, IP54+ sealed enclosure needed

Ultra-high frequent switching over 10 cycles per minute, solid state relay recommended

High current load over 6A / 250الخامس و, contactor required for capacity expansion

6.3 نصائح الاختيار & Avoidance Notes

Distinguish forced guided contact from ordinary relay; في 50205 compliant type mandatory for safety application
تأكيد الجهد لفائف, avoid AC and DC confusion; this model is 24V DC
Match load type with corresponding rated current (AC-1/AC-15/DC-1)
Reserve enough installation space for 22.5mm width module
Ensure compliance with EN 13849-1 for industrial safety usage

Application Scenarios of Finder 7S.14.9.024.0220

Equipped with forced guided safety contacts, conforming to EN13849 and EN50205 safety standards, applied for equipment safety loop control.

General Industrial Machinery
أدوات الآلة: Emergency stop circuit, safety door interlock, tool magazine safety lock
Stamping & forging machines: Guard fence detection, slide safety limit
Injection molding machines: Mold safety door, manipulator area protection interlock
Automatic Production Line
Conveyor line: Light curtain safety protection, station access judgment
Assembly equipment: Two-hand startup circuit, robot fence access control
فرز & packaging machines: Flip cover protection, fault emergency stop interlock
Lifting & Hoisting Equipment
Small lift, cargo elevator door control safety circuit
Crane lifting tool limit protection, power-off safety lock
Light Industry & Special Machinery
Safety stop interlock for printing and textile machinery
Safety door monitoring for wood cutting equipment
Fault power-off protection for fans and water pumps
Transportation & Building Auxiliary
Automatic door and escalator safety detection circuit
Vehicle industrial control, miniature railway equipment safety protection
Control Cabinet Internal Control
System emergency power-off safety loop
High voltage cabinet access control and leakage safety interlock