品牌: Belden百通
产品详细参数:
芯数: 2芯 线规(AWG): 22 屏蔽材料: 100Beldfoil 90%Braid Shield 额定核心外径(MM): 6.731 标准包装长度: 305米/卷
Modbus是由Modicon(现为施耐德电气公司的一个品牌)在1979年发明的,是全球第一个真正用于工业现场的总线协议。
ModBus网络是一个工业通信系统,由带智能终端的可编程序控制器和计算机通过公用线路或局部专用线路连接而成。
其系统结构既包括硬件、亦包括软件。它可应用于各种数据采集和过程监控。
Description:
24 AWG stranded (7x32) tinned copper conductors, twisted pair, polyethylene insulated, overall 100% Beldfoil. shield plus a 90% tinned copper braid shield, 24 AWG tinned copper drain wire, chrome PVC jacket.
PHYSICAL CHARACTERISTICS:
CONDUCTOR:
Number of Pairs : 1
Total Number of Conductors: 2
AWG: 24
Stranding : 7x32
Conductor Material : TC - Tinned Copper
INSULATION:
Insulation Material: PE - Polyethylene
PAIR:
Pair Lay Length :
Lay Length (in.) Direction Twists/ft (twist/ft)
2.5 Left Hand Lay 4.8
Pair Twists/ft.: 4.8
Pair Color Code Chart : White/Blue and Blue/White
OUTER SHIELD:
Outer Shield Trade Name : Beldfoil.
Outer Shield Type : Tape/Braid
Outer Shield Material :
Layer Number Material Trade Name Type Material Coverage (%)
1 Beldfoil. Tape Aluminum Foil-Polyester 100
Tape
2 Braid Tinned Copper Braid 90
Shield
OUTER SHIELD DRAIN WIRE :
Outer Shield Drain Wire AWG : 24
Outer Shield Drain Wire Stranding: 7x32
Outer Shield Drain Wire Conductor Material: TC - Tinned Copper
OUTER JACKET:
Outer Jacket Material: PVC (Chrome)
OVERALL NOMINAL DIAMETER:
Overall Nominal Diameter : .265 in.
MECHANICAL CHARACTERISTICS:
Operating Temperature Range : -30°C To +80°C
Temperature Rating : 80°C
Bulk Cable Weight: 40 lbs/1000 ft.
Max. Recommended Pulling Tension : 72.000 lbs.
Min. Bend Radius (Install) : 2.5 in.
APPLICABLE SPECIFICATIONS AND AGENCY COMPLIANCE:
APPLICABLE STANDARDS:
NEC/(UL) Specification : CM
CEC/C(UL) Specification : CM
AWM Specification : 2919 (30 V)
PLENUM/NON-PLENUM:
Plenum (Y/N) : N
Plenum Number : N
ELECTRICAL CHARACTERISTICS:
Nom. Characteristic Impedance : 123 Ohms
Nom. Capacitance Conductor to Conductor @ 1 KHz: 11.3 pF/ft
Nom. Cap. Cond. to Other Cond. & Shield @ 1 KHz : 25 pF/ft
Nominal Velocity of Propagation: 66 %
Nominal Delay : 1.6 ns/ft
Nom. Conductor DC Resistance @ 20 Deg. C : 24 Ohms/1000 ft
Nominal Outer Shield DC Resistance @ 20 Deg. C : 3.350 Ohms/1000 ft
Nom. Attenuation (dB/100 ft) : 0.6 (@ 1 MHz) dB/100 ft.
Max. Operating Voltage – UL: 300 V RMS
Other Maximum Continuous Currents : 2.1 Amps per conductor @ 25°C
PUT-UPS AND COLORS:
Item Description Put-Up (ft.) Ship Weight (lbs.) Jacket Color Notes
YJ29560 1 PR #24 PE SH PVC 1000 40 CHROME C
YJ29560 1 PR #24 PE SH PVC 1500 60 CHROME
C = CRATE REEL PUT-UP.