Plastic Insulated and Sheathed Instrument Signal Cable

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The plastic insulated and sheathed instrument signal cable is produced according to the standard of Q/321011KLA202-2009, which means that it also conforms to the British standard of BS5308-86. This product is suitable for signal transmission as well as connection of instruments in computer system, automatic system and distributed control system, and the applicable field includes smelting industry, power generation plant, petrochemical industry, etc.

Working Conditions
1. Rated voltage U0/U: 300/500V
2. Max. working temperature: 70℃ for common type, 90℃ for XLPE type, and 105℃ for models ending with "105".
3. Min. ambient temperature: -40℃ for fixed laying and -15℃ for non-fixed laying.
4. Min. bending radius: 6 times of cable outer diameter for non-armored type, and 12 times of outer diameter for armored type.

Major Technical Parameters

Item		Unit	Data
Item		Unit	PE Insulation	PVC Insulation
Insulation Resistance at 20℃ (≥)	Between any pair of conductors	MΩ·km	5000	25
Insulation Resistance at 20℃ (≥)	Between pair of shielding	MΩ·km	1	1
Operation Capacitance at 1kHz (≤)	Type3	pF/m	75	200
Operation Capacitance at 1kHz (≤)	Type 1 and 2	pF/m	90	200
Capacitance Imbalance at 1kHz (≤)		pF/m	1	/
LR Ratio (≥)	Cross Section	μH/Ω
	0.5 mm2		20	20
	0.75 mm2		20	20
	1.0 mm2		25	25
	1.5 mm2		35	35
Shielding Control Ratio (≤)			0.01	0.01
Test Voltage		V/1min	1000	1000
Flame Retardant Property			Conforms to GB/T18380-2008

Flame Retardant Property

Item	Data
Item	Common Flame Retardant PVC	Low Halogen Low Smoke PVC	Halogen Free Low Smoke Polyolefin
Oxygen Index	20-32	31-36	36-40
Smoke Density (≤)	600	300	With flame: 50 Without flame: 260
Liberation Amount of Hydrogen Halide (≤mg/g)	580	100	5

Hot Set Test

Item	Unit	Data	Standard
Air Temperature	℃	200±3	GB/T2951.21-2008
Test Time	min	15
Mechanical Load	N/cm2	20
Max. Elongation with Load	%	175
Max. Permanent Elongation after Cooling	%	15

Specifications of Conductor

Nominal Cross Section (mm2)	Conductor Structure		Resistance at 20℃ (Ω/km)
Nominal Cross Section (mm2)	Type	Wire Number/Nominal Diameter for Single Wire (mm)	Non-tinned	Tinned
0.5	3	16/0.20	39.0	40.1
0.75	1	1/0.97	24.5	24.8
0.75	2	7/0.37	24.5	24.8
0.75	3	24/0.20	26.0	24.8
1.0	1	1/1.13	18.1	26.7
1.0	2	7/0.43	18.1	18.2
1.0	3	32/0.20	19.5	20.0
1.5	1	1/1.38	12.1	12.2
1.5	2	7/0.52	12.1	12.2
1.5	3	30/0.25	13.3	13.7

Model Code Description

Item	Code	Description
Flame Retardant Property	ZR	If there is no letter, it means this product is not flame retardant type. For flame retardant type, it contains three levels which are A, B, and C.
	DDZ	Low halogen low smoke flame retardant
	WDZ	Halogen free low smoke flame retardant
Series	DJ, J	Instrument signal cable
Insulating Material	V	PVC
	Y	Polythene
	YJ	XLPE
	F	Fluoroplastic
	V	Low halogen low smoke polyolefin
	Y	Halogen free low smoke polyolefin
Shielding Material	P	Cu wire woven
	P2	Cu tape
	P3	Al/polyester combined film
Sheathing Material	V	PVC
	Y	Polythene
	V	Low halogen low smoke polyolefin
	Y	Halogen free low smoke polyolefin
Armoring Material	2	Steel tape
Armoring Material	3	Thin steel wire
Conductor Structure	A	Single strand conductor
	B	7-strand twisted conductor
	R	Multi-strand soft conductor
Specification		Pair number × wire number × cross section: N × n × SN: 1, 2, 3, ……24n: 2, 3S: 0.5, 0.75, 1.0, 1.5, 2.5 mm2

To better illustrate the above table, two examples are given for reference.

Example 1: For a Cu core polythene insulated and PVC sheathed computer cable, and it is 10-pair two-core type with cross section of 0.75mm2, it can be expressed as the following way:
a. Cu wire woven individually shielded product using A type conductor: DJYPV(A) 10×2×0.75
b. Cu wire woven individually shielded and collectively shielded product adopting B type conductor: DJYPVP(B) 10×2×0.75
c. Cu wire woven collectively shielded product with R type of conductor: DJYVPR 10×2×0.75
d. Al/polyester combined film works as individually shield, and B type of conductor is used: DJYP3V(B) 10×2×0.75
e: Al/polyester combined film works as individually shield as well as collectively shield, and R type of conductor is applied: DJYP3VP3R 10×2×0.75
f: Cu tape individually shielded and collectively shielded steel tape armored product using B type conductor: DJYP2VP2/22(B) 10×2×0.75

Plastic Insulated and Sheathed Instrument Signal Cable

Example 2: For a 12-pair 3-core flame retardant computer cable with cross section of 1.0mm2, if it also uses Cu core, PVC insulation and PVC sheath, it is named as:
a. Cu wire woven as individually shield, class A flame retardant, B type of conductor: ZRA-DJVPV(B) 12×3×1.0
b. Cu tape individually shielded and collectively shielded class B flame retardant product with R type of conductor: ZRB-DJVP2VP2R 12×3×1.0

Production Range

Model	Rated Voltage (V)	Nominal Cross Section (mm2)
		0.5	0.75	1.0	1.5
		Pair number
DJVPV DJVPVP DJVVP DJVPVR DJVPVPRDJVVPR DJVV DJVVR	300/500	1-40
DJVP2V DJVP2VP2DJVVP2DJVP3V DJVP3VP3DJVVP3DJVP2VR DJVP2VP2RDJVVP2R DJVP3VR DJVP3VP3R DJVVP3R		2-40	1-40
DJVPV22DJVPV22DJVP2V22 DJVP2VP2/22 DJVP3V22 DJVP3VP3/22 DJVVP22 DJVP3/22 DJVVP2/22		2-40	1-40

Note: The production range of other models is the same as the table above.

Related Names
Computer System Used Cable Manufacturer | Signal Transmission Wiring | Multiple Size Electrical Cable

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