产品详情
它仍然吐出了嫩芽
遭遇了暴风骤雨
它依然开出了鲜花
在漫漫的相思夜
它发出灿烂的光华
在茫茫的荒漠上
它是绿洲中的新家
它像春风
吹绿万水千山
它像夏花
开满锦绣城乡
它像秋月
笼照东篱菊花
它像冬雪
洁白晶莹无瑕
【具体价格以沟通为准】
+++++++++++++++++++++++++++++++++++++++++++++
重庆渝赣铭瑞自动化科技有限公司
联系人：刘玮
QQ: 1271138428 /
手 机：15921540241 /18225005392
座 机 ：023-65741909
传 真 ：023-65741909
邮箱：1271138428@qq.com
地 址：重庆市沙坪坝区大学城学智路金科廊桥水乡11号门
+++++++++++++++++++++++++++++++
A1A100000224.00M︱6SC8473-6AA00-0AA0， 温度传感器
A1A10000023.00M︱6SC8473-7AA00-0AA0， 放电电阻钳
A1A10000070.00︱6SC8474-1AA00-0AA0， 绝缘监测
6SR3502-6FB33-0BF0︱6SR3502-7NJ45-0BF0︱6SR4502-5NE44-5BF0︱6SR4502-2ME41-7BF0
6SR3502-6FB34-0BF0︱6SR3502-7NJ45-2BF0︱6SR4502-5NF44-5BF0︱6SR4502-2ME41-8BF0
6SR3502-6FB35-0BF0︱6SR3502-7NJ45-5BF0︱6SR4502-5NF44-7BF0︱6SR4502-2ME42-0BF0
6SR3502-6FB36-0BF0︱6SR3502-7NJ45-7BF0︱6SR4502-5NF45-0BF0︱6SR4502-2ME42-2BF0
Topworx 11-12110-00
Topworx 73-13523-A2
Topworx 73-13524-A2
Topworx 7G-13529-B3
西门子 控制板 A1A10000432.71M
西门子 光纤 A5E03002015
ABB 泵管 AW601300
Lenze 变频器 ESMD751L4TXA
Lenze 变频器 ESMD402L4TXA
Lenze 变频器 E82EV152K2C 1.5KW
Lenze 变频器 E82EV751K2C 0.75KW
Lenze 变频器 ESMD302L4TXA
Lenze 变频器 ESMD552L4TXA
ABB PH计电极 TB556.J.1.E.50.T.20
西门子 控制电路板 A1A461D85.00M
西门子 控制电路板 A1A10000283.01M
西门子 控制电路板 A1A10000423.00M
西门子 控制电路板 LDZ14501001.140
交换机 708FX2-SC
ABB RS485 TA562-RS
ABB 模拟量模块 AX561
ABB 接线端子 TA563-9
ABB 接线端子 TA563-11
ABB 风扇 P-HA-RPS-FAN03000
西门子 I/O板 A1A10000423.00M
西门子 通讯板 A5E03407403
交换机 306TX
AB模块1734-OE2C
ABB 变频器 ACS550-01-06A9-4
ABB 中文操作面板 ACS-CP-D
ABB 熔断体 3AFE64673769 1000A 1000V
ABB 定位器 V18348-10111310110
FOXBORO 压力变送器 IGP10-A22D1F
西门子 风机 LDZ10501601
ABB 模块 RDCU-12C
ABB 溶解氧测试仪 AX480/10001
ABB 氨氮电极 AW8002621
ABB 年度维护包 AW620020
ABB 年度电极包 AW620023
ABB 两年维护包 AW630072
ABB 试剂套装 AWRK636/0420
2SA5031/5531+LE50.1 推力：37.5KN
LE线性推力器LE50.1-100
阀位开关DXP-T21GNEB
直流充电模块艾默生?HD22020-3
ND7103HX
压力继电器EDS3448-5-0400-000
6SR4902-0AE00-0AM0功率单元LDZ10500494.200
电容物位开关 Pointek CLS3007ML56500AF100DB0-ZY01
7ML1106-1BA20-0A
7ML5033-1BA00-1A
MTS位移传感器RHM1000MP101SIB6100
MTS位移传感器RRHM1490MP101SIB6100
ABB执行器MME808/387 V78213M51AS11A1 387 600
ABB执行器MME806/387 V78212M51AS11A1 387 600
AZ20/.1.1.2.1.12.2.2.2.1.1.2.1.0.0.C./STD
DDCS 通讯适配器RDCO-02C
电动执行器I/O板 MM806/387
电动执行器电源板 MM806/387
电动执行器变频板 MM806/387
电动执行器位发板 MM806/387
电动执行I/O板 MM808/387
电动执行器电源板 MM808/387
电动执行器变频板 MM808/387
电动执行器位发板 MM808/387
SRP981-CIDLS1NA
ATOS电磁阀DHI-0751/2/WP-X 230/50/60AC
YTC定位器YT-3300RDi5201S
功率单元A5E35680951
LDZ10501954
ABB PH计 TB55613B15T20
FOXBORO定位器SRD991-CHNS7EA4NR-V01
FOXBORO定位器 SRD991-CHNS1EA4NR-V01G
PH电极Z08362=A=2000
温度电极Z08362=A=1001
honeywell火焰检测器 U2-1018S-PF
巴士德 压力开关B2S-H32SS
酸碱浓度分析仪电源板AX400/0246
ABB定位器 V18348-10111300110
伦茨Lenze变频器E82EV453K4B201
ABB定位器A18345-1017150001
卡?NXGpro?CF?A5E35236834
cr电源?NXGpro?CPS?24VDC??A5E37877003
控制器?NXGpro?DCR?24?Cell??A5E33032458
输入输出接口板?User?I/O?board??24VDV??A5E32100313?
信号采集板?NXGpro?SIB??A5E36968571
键盘SIMATIC?HMI??A5E39206479
变压器柜风机?A5E31418276
功率单元柜风机A5E31417482
变压器柜滤网A5E03927689
功率单元A5E32539903
单元控制板?A1A10000432.71M
单元熔断器?A5E31476394
不间断电源?A5E35632577
ABB电动执行机构 MME812 V78214.M.5.1.C.E.1.1.A-503-387
功率单元A5E31386448
西门子单元控制板A1A10000432.71M
西门子单元熔断器A5E31418506
电路板DT400076A
霍尼韦尔压力传感器060-N131-01 带30米长压力线（6芯）
霍尼韦尔传感器 060-J853-02-01
变频器配件(西门子),晶闸管单元A5E39021143
变频器配件(西门子),晶闸管单元A5E39021149
变频器配件(西门子),晶闸管单元A5E39021143
变频器配件(西门子),晶闸管单元A5E39021149
闭锁双线圈继电器?LDZ10506414
MME812 V78214.M.5.1.C.E.1.1.A-503-387
ABB张力计PFEA111-20
honeywell限位开关LSYJC1A-7N
PH电极（复合式）1722000 /1730000
电导率电极AC221/211341
溶解氧电极AW502080
氧化镐变送器 AZ20/1120000000
溶解氧手把电缆组件AW502055
PH电极陶瓷过滤芯 1360190
STONEL限位开关 EN44A02DN
TB556J3611F10
氧化镐热电偶组件AZ200703
氧化镐热电偶组件AZ200729
氧化镐热电偶组件AZ200712
PH电极（复合式）AP303/21030001
Siemens/西门子变压器柜顶风机A5E31418276
Siemens/西门子功率单元柜顶风A5E31417482
Siemens/西门子CF卡A1A260986.00
Siemens/西门子键盘适配器A1A10000283.01M
Siemens/西门子I/O板A1A10000432.00M
Siemens/西门子调制板A1A10000350.00M
Siemens/西门子光纤接口板A1A461D85.00M
Siemens/西门子通讯板A5E03407403
Siemens/西门子DCR电源A1A0100275
Siemens/西门子信号调节板A5E01708486
Siemens/西门子单元控制板A1A10000432.71M
Siemens/西门子不间断电源A5E35632577
Siemens/西门子功率单元A5E33094595
Siemens/西门子功率单元A5E32855090
"FEP311080A1D2D4B1A1T0A1B1C1H2M6
量程：0~150m3/h"
电导率电极AC221/211341
溶解氧电极AW502080
氧化镐变送器 AZ20/1120000000
溶解氧手把电缆组件AW502055
PH电极陶瓷过滤芯 1360190
AW502081
AW502055
溶解氧电极AW502080
力士乐比例阀4WRL25V-370M3X/G24Z4/M 0811404405
STONEL限位开关 EN44A02DN
PARKER柱塞泵PV140R1K1T1NMM1
分析仪器备件仪表泵配件AW601300
TB556J3611F10
德国Sommer气缸GD320S-C
FOXBORO液位计244LD-KI3J2LNNH1C4-M
数字量输出模块 FC-SDO-0824
数字量输出现场接线板 FC-TSDO-0824
从FTA至模块的专用电缆 SIC-0001
ABB数字压力变送器266NSH-H-S-B-A-1-EY-L1
C98043-A7002-L4
SPMC1402?I/P?462-713VDC?268A
ABB抽气泵4N （8018547、8018545、8018549）
ABB抽气泵23134-5-8018547
871EC-LBO-4V/876EC-TYAA-7
PH电极871A-1D-3
FOXBORO减压阀FRS923-2SK 0-6BAR
FOXBORO 定位器 SRD991-CHFS6EA4NR-V01
FOXBORO PH分析仪873PH-BIWFGZ/PH10-4N1A-2
FOXBORO PH电极 PH10-1N1A-3
FOXBORO 阀门定位器SRD991-BHNS6EA4NY-V01
FOXBORO PH电极 PH10-1N1A-2
FOXBORO 定位器 SRI990-BIMT7EAA-Y
FOXBORO 减压阀 FRS923-2SK
FOXBORO PH分析仪 873PH-BIYFGZ/PH10-3N1A-2
AP303/21020000
10通滑块764M005-21?（替代-81）
8通滑块764M007-2101 （替代-8101）
CF卡A5E35236834
CPS电源A5E37876282
DCR控制器A5E37764770
IO板A5E32100313
IO板A5E37356659
SIB板A5E36968571
Topworx 行程开关73-1352T-A2
Topworx DXP-M21GNEB
Topworx DXP-AS1GNEB
Topworx DXP-M41GNEB
Topworx DXP-L21GNEB
Topworx DXP-M22GNEB
Topworx DXP-AS2GNEB
Topworx DXP-M42GNEB
Topworx DXP-L22GNEB
Topworx DXP-M20GNEB
Topworx DXP-AS0GNEB
Topworx DXP-M40GNEB
Topworx DXP-L20GNEB
Topworx DXP-M21GSEB
Topworx DXP-AS1GSEB
Topworx DXP-M41GSEB
Topworx DXP-L21GSEB
Topworx DXP-M22GSEB
Topworx DXP-AS2GSEB
Topworx DXP-M42GSEB
Topworx DXP-L22GSEB
Topworx DXP-M20GSEB
Topworx DXP-AS0GSEB
Topworx DXP-M40GSEB
Topworx DXP-L20GSEB
Topworx DXR-M21GNEB
Topworx DXR-AS1GNEB
Topworx DXR-M41GNEB
Topworx DXR-L21GNEB
Topworx DXR-M22GNEB
Topworx DXR-AS2GNEB
Topworx DXR-M42GNEB
Topworx DXR-L22GNEB
Topworx DXR-M20GNEB
Topworx DXR-AS0GNEB
Topworx DXR-M40GNEB
Topworx DXR-L20GNEB
Topworx DXR-M21GSEB
Topworx DXR-AS1GSEB
Topworx DXR-M41GSEB
Topworx DXR-L21GSEB
Topworx DXR-M22GSEB
Topworx DXR-AS2GSEB
Topworx DXR-M42GSEB
Topworx DXR-L22GSEB
Topworx DXR-M20GSEB
Topworx DXR-AS0GSEB
Topworx DXR-M40GSEB
Topworx DXR-L20GSEB
Topworx DXS-M21GNEB
Topworx DXS-AS1GNEB
Topworx DXS-M41GNEB
Topworx DXS-L21GNEB
Topworx DXS-M22GNEB
Topworx DXS-AS2GNEB
Topworx DXS-M42GNEB
Topworx DXS-L22GNEB
Topworx DXS-M20GNEB
Topworx DXS-AS0GNEB
Topworx DXS-M40GNEB
Topworx DXS-L20GNEB
Topworx DXS-M21GSEB
Topworx DXS-AS1GSEB
Topworx DXS-M41GSEB
Topworx DXS-L21GSEB
Topworx DXS-M22GSEB
Topworx DXS-AS2GSEB
Topworx DXS-M42GSEB
Topworx DXS-L22GSEB
Topworx DXS-M20GSEB
Topworx DXS-AS0GSEB
Topworx DXS-M40GSEB
Topworx DXS-L20GSEB
Topworx DXP-M21GNEB
Topworx DVC-ASZ2BPS44
Topworx DVC-FFZ0BPP44,P45
Topworx DVC-DNZ2BPS44,S45
Topworx DVM-ASZ2BP
Topworx DVM-FFZ0BP
Topworx DVM-DNZ2BP,M
Topworx DXP-ASZ1GRNS84
Topworx DXP-DNZ1GRSS84
Topworx DXP-FF0GNEBPA2
Topworx DXP-FF1GNEB
Topworx DXP-DN1GNEB1A2
Topworx DXP-DN1GSEB
Topworx DXP-AS1GNEB1A2
Topworx DXP-AS1GSEB
Topworx DXP-L21GNEB1A2
Topworx DXP-L21GSEB
Topworx DXP-M21GNEB
Topworx DXS-DNZ1GRN000
Topworx IVC-G2Z2BPS44
Topworx IVC-D2Z2BP144
Topworx IVC-4XW4DB
Topworx IVC-4XW4AB
Topworx IVM-4XW00B
Topworx IVC-GPW4DBSD
Topworx IVC-GPW4ABSA
Topworx IVM-G2Z2BP
Topworx IVM-D2Z2BP
Topworx PPS-ASGPT1
Topworx PPS-3SGPT1
Topworx PPS-NSZ0T1
Topworx SSP-XPL2GRN00
Topworx SSP-XPL2GRS00
Topworx SSP-XPM2GRN00
Topworx SSP-XPT2GRN00
Topworx SXP-L2Z1GRN00000
Topworx SXP-M2Z1GRN00000
Topworx SXS-L2Z1GRN00
Topworx SRP-4XL2GRN00
Topworx SRP-4XM2GRN00
Topworx SUP-GPM2GRN00
Topworx SEP-4XM2GRN00
Topworx SEP-4XD2GRN00
Topworx SEP-4XD2GRS00
Topworx SBP-XPL2
Topworx LPS-DZ2GA2
Topworx LPS-DZ2RA2
Topworx LPS-4XWRA
Topworx LPS-4XWGA
Topworx LPS-XPWNA
Topworx 7LR-1356E-A2
Topworx 7LG-1356E-A2
Topworx 阀位反馈装置 SSP-XPL2BYN3002
Topworx 阀位反馈装置 SSP-XP00GR42
Topworx 阀位反馈装置 IVC-G2Z2BP144
Topworx 阀门信号反馈装置 SRP-4XM2GR00
Topworx 73-13524-A2
Topworx 73-13524-DCA
Topworx 73-13524-DBA
Topworx 73-13525-DCA
Topworx 73-13525-DBA
Topworx 73-13526-DCA
Topworx 73-13526-DBA
Topworx 73-13527-DCA
Topworx 73-13527-DBA
Topworx DXP-M21GNEB
Topworx DXP-AS1GNEB
Topworx DXP-M41GNEB
Topworx DXP-L21GNEB
Topworx DXP-M22GNEB
Topworx DXP-AS2GNEB
Topworx DXP-M42GNEB
Topworx DXP-L22GNEB
Topworx DXP-M20GNEB
Topworx DXP-AS0GNEB
Topworx DXP-M40GNEB
Topworx DXP-L20GNEB
Topworx DXP-M21GSEB
Topworx DXP-AS1GSEB
Topworx DXP-M41GSEB
Topworx DXP-L21GSEB
Topworx 回讯开关11-11122-F4
Topworx 回讯开关11-11110-00
6SR3502-6FB37-0BF0︱6SR3502-7NJ46-0BF0︱6SR4502-5NF45-2BF0︱6SR4502-2ME42-4BF0
6SR3502-6FB37-5BF0︱6SR3502-7NJ46-5BF0︱6SR4502-5NF45-5BF0︱6SR4502-2MF42-4BF0
6SR3502-6FB38-0BF0︱6SR3502-7NK47-0BF0︱6SR4502-5NF45-7BF0︱6SR4502-2MF42-5BF0
6SR3502-6FB38-7BF0︱6SR3502-7NK47-5BF0︱6SR4502-0CA32-0BF0︱6SR4502-2MF42-7BF0
6SR3502-6FC38-7BF0︱6SR3502-7NK48-0BF0︱6SR4502-0CA33-0BF0︱6SR4502-2MF43-0BF0
6SR3502-6FC41-0BF0︱6SR3502-7NK48-7BF0︱6SR4502-0CB33-0BF0︱6SR4502-2MF43-2BF0
6SR3502-6FC41-1BF0︱6SR3502-7NL48-7BF0︱6SR4502-0CB34-0BF0︱6SR4502-2HA33-0BF0
6SR3502-6FC41-2BF0︱6SR3502-1CG41-7BF0︱6SR4502-0CB34-5BF0︱6SR4502-2HA34-0BF0
6SR3502-6FD41-2BF0︱6SR3502-1CG41-8BF0︱6SR4502-0CC34-5BF0︱6SR4502-2HA35-0BF0
6SR3502-6FD41-4BF0︱6SR3502-1CG42-0BF0︱6SR4502-0CC35-0BF0︱6SR4502-2HA36-0BF0
6SR3502-6FD41-5BF0︱6SR3502-1CG42-2BF0︱6SR4502-0CC36-0BF0︱6SR4502-2HB36-0BF0
6SR3502-6FD41-6BF0︱6SR3502-1CH42-2BF0︱6SR4502-0CC37-0BF0︱6SR4502-2HB37-0BF0
6SR3502-6FE41-6BF0︱6SR3502-1CH42-5BF0︱6SR4502-0CD37-0BF0︱6SR4502-2HB37-5BF0
6SR3502-6FE41-7BF0︱6SR3502-1CJ42-5BF0︱6SR4502-0CD38-0BF0︱6SR4502-2HB38-0BF0
6SR3502-6FE41-8BF0︱6SR3502-1CJ42-7BF0︱6SR4502-0CD38-7BF0︱6SR4502-2HB38-7BF0
6SR3502-6FE42-0BF0︱6SR3502-1CJ43-0BF0︱6SR4502-0CE41-0BF0︱6SR4502-2HC38-7BF0
6SR3502-6FE42-2BF0︱6SR3502-1CJ43-2BF0︱6SR4502-0CE41-1BF0︱6SR4502-2HC41-0BF0
A1A10000162.00︱6SC8476-1AA00-0AA0， 抓钳
A1A10000163.00︱6SC8476-1BA00-0AA0， 工具
A1A10000350.00M PCA, W/FIRMWARE, MODULATOR,
A5E01708486 PCA, SIGNAL CONDITIONING BOARD
A5E02624585 KEYPAD, ROBICON, NEXT-GEN
A5E02363383 MULTI LANGUAGE KEYPAD ASSEMBLY ENGLISH
A5E01649325 PCA, I/O BREAKOUT BOARD,120VAC
A1A098194 PCA,ISA BACKPLANE,8 SLOT
A5E01649374 PCA COATED 24VDC INPUTS SYS I/O BRKOUT
A1A10000313.00 ASSY, CHASSIS, BASIC, 24V FAN,
LDZ461R57.00C ASSY, CHASSIS, BASIC, 24V FAN,
西门子 A5E37764770 罗宾康 SINAMICS 完美无谐波 GH180 系列高压变频器
应用在电力、石油、化工、采矿、A1A10000628.00M冶金、 。A1A461D85.00M
A5E01649374
LDZ10501504 750-554, WAGO ANOLOG OUTPUT MO
LDZ10506501 FUSE,3A,600V,ATQR3
LDZ10501423 FUSE,3.5A,600V,ATQR3-1/2
A1A10000283.01M︱6SC8476-1CA00-0AA0， 工具包
A1A10000283.01M︱6SC8476-1DA00-0AA0， 接触喷罐
A1A10000283.01M︱6SC8476-1EA00-0AA0， 标准堆垛机
A1A10000313.00︱6SC8477-1AA00-0AA0， 母线组件
A1A10000350.00M︱6SC8477-2AA00-0AA0， 母线包
A1A10000403.01︱6SC8477-3AA00-0AA0， 轨道包
A1A10000416.00M︱6SD2180-0AA0， 可控硅
A1A10000423.00︱6SD2180-1AA0， 可控硅
A1A10000423.00M︱6SD2180-2AA0， 可控硅
A1A10000423.00M︱6SD2181-3AA0， 电流值转换器
A1A10000423.71M︱6SD2181-5AA0， 电源
A1A10000428.00M︱6SD2280-0AA1， 接口模块
A1A10000428.03M︱6SD2281-0AA0， 接口模块
A1A10000428.05M︱6SE7037-0EJ84-1JC0， IGD7
A1A10000432.00︱6SE7037-0EJ84-1JC2， IGD7
A1A10000432.00M︱6SE7037-0EK84-1BH0， ABO
A1A10000432.01︱6SE7037-0EK84-1JC2， IGD8
A1A10000432.01M︱6SE7037-0ES87-1FE0， 输出电抗器
A1A10000432.02︱6SE7038-6EK84-1BH0， ABO
A1A10000432.02M︱6SE7038-6EK84-1GF0， SMU3
A1A10000432.02M︱6SE7038-6EK84-1GG0， SML3
A1A10000432.30︱6SE7038-6EK84-1JC1， IGD8
A1A10000432.30M︱6SE7038-6EK84-1JC2， IGD8
LDZ10501424 FUSE,4A,600V,ATQR4
LDZ10501420 FUSE,6A,600V
LDZ10502050 CIRCUIT BREAKER,5SJ42048CC20
LDZ10502049 CIRCUIT BREAKER,5SJ41048CC20
参数采用菜单结构，分成各个逻辑组，以方便查看
A1A10000432.31︱6SE7038-6ES87-1FE0， 输出电抗器
A1A10000432.31M︱6SE7038-6GK84-1GF0， SMU3
A1A10000432.34︱6SE7038-6GK84-1GG0， SML3
A1A10000432.34M︱6SE7038-6GK84-1JC0， IGD8
A1A10000432.53︱6SE7038-6GK84-1JC2， IGD8
A1A10000432.53M︱6SE7038-6GL84-1BG0， IVI
A1A10000432.54︱6SE7038-6GL84-1BG2， IVI
A1A10000432.54M︱6SE7038-6GL84-1HJ1， TDB
A1A10000432.55M︱6SE7038-6GL84-1JA1， PSU2
A1A10000432.71︱6SE7038-6GL84-1JB0， VDU
A1A10000432.71M︱6SE7038-6GS87-1FE0， 输出电抗器
A1A10000432.72︱6SE7038-6TK86-4AE0， 并联辅单元
6SR3502-6FE42-4BF0︱6SR3502-1CK43-2BF0︱6SR4502-0CE41-2BF0︱6SR4502-2HC41-1BF0
6SR3502-6FF42-4BF0︱6SR3502-1CK43-5BF0︱6SR4502-0CE41-4BF0︱6SR4502-2HC41-2BF0
6SR3502-6FF42-5BF0︱6SR3502-1CK43-7BF0︱6SR4502-0CF41-4BF0︱6SR4502-2HC41-4BF0
6SR3502-6FF42-7BF0︱6SR3502-1CK44-0BF0︱6SR4502-0CF41-5BF0︱6SR4502-2HD41-4BF0
6SR3502-6FF43-0BF0︱6SR3502-1CK44-2BF0︱6SR4502-0CF41-6BF0︱6SR4502-2HD41-5BF0
6SR3502-6FF43-2BF0︱6SR3502-1CK44-5BF0︱6SR4502-0CF41-7BF0︱6SR4502-2HD41-7BF0
6SR3502-6MB33-0BF0︱6SR3502-1CL44-5BF0︱6SR4502-0HA32-0BF0︱6SR4502-2HD41-8BF0
6SR3502-6MB34-0BF0︱6SR3502-1CL44-7BF0︱6SR4502-0HA33-0BF0︱6SR4502-2HE41-8BF0
6SR3502-6MB35-0BF0︱6SR3502-1HG41-7BF0︱6SR4502-0HB33-0BF0︱6SR4502-2HE42-0BF0
6SR3502-6MB36-0BF0︱6SR3502-1HG41-8BF0︱6SR4502-0HB34-0BF0︱6SR4502-2HE42-2BF0
6SR3502-6MB37-0BF0︱6SR3502-1HG42-0BF0︱6SR4502-0HB34-5BF0︱6SR4502-2HE42-4BF0
