山东济南西门子代理 直流调速器6RA70原装正品
山东济南西门子代理 直流调速器6RA70原装正品
产品价格:(人民币)
  • 规格:完善
  • 发货地:本地至全国
  • 品牌:
  • 最小起订量:1件
  • 免费会员
    会员级别:试用会员
    认证类型:企业认证
    企业证件:通过认证

    商铺名称:济南欧乐自动化科技有限公司

    联系人:李工(先生)

    联系手机:

    固定电话:

    企业邮箱:568668918@qq.com

    联系地址:山东济南天桥区北园大街东泺河路

    邮编:250000

    联系我时,请说是在瑞启化工网上看到的,谢谢!

    商品详情
      西门子直流调速器 SIMOREG DC-MASTER 6RA70 系列
      1、3AC 400V  1Q

      6RA7018-6DS22-0  30A 
      6RA7025-6DS22-0  60A 
      6RA7028-6DS22-0  90A 
      6RA7031-6DS22-0  125A 
      6RA7075-6DS22-0  210A 
      6RA7078-6DS22-0  280A 
      6RA7081-6DS22-0  400A 
      6RA7085-6DS22-0  600A 
      6RA7087-6DS22-0  850A 
      6RA7091-6DS22-0  1200A 
      6RA7093-4DS22-0  1600A 
      6RA7095-4DS22-0  2000A 
      2、3AC 400V  4Q
      6RA7013-6DV62-0 15A
      6RA7018-6DV62-0 30A 
      6RA7025-6DV62-0 60A 
      6RA7028-6DV62-0 90A 
      6RA7031-6DV62-0 125A 
      6RA7075-6DV62-0 210A 
      6RA7078-6DV62-0 280A 
      6RA7081-6DV62-0 400A 
      6RA7085-6DV62-0 600A 
      6RA7087-6DV62-0 850A 
      6RA7091-6DV62-0 1200A 
      6RA7093-4DV62-0 1600A 
      6RA7095-4DV62-0 2000A 
      3、3AC 575V  1Q
      6RA7025-6GS22-0 60A 
      6RA7031-6GS22-0 125A 
      6RA7075-6GS22-0 210A 
      6RA7081-6GS22-0 400A 
      6RA7085-6GS22-0 600A 
      6RA7087-6GS22-0 800A 
      6RA7090-6GS22-0 1000A 
      6RA7093-4GS22-0 1600A 
      6RA7095-4GS22-0 2000A 
      4、3AC 575V  4Q
      6RA7025-6GV62-0 60A 
      6RA7031-6GV62-0 125A 
      6RA7075-6GV62-0 210A 
      6RA7081-6GV62-0 400A 
      6RA7085-6GV62-0 600A 
      6RA7087-6GV62-0 850A 
      6RA7090-6GV62-0 1100A 
      6RA7093-4GV62-0 1600A 
      6RA7095-4GV62-0 2000A 
      5、3AC 690V  1Q
      6RA7086-6KS22-0  720A 
      6RA7088-6KS22-0  950A 
      6RA7093-4KS22-0  1500A 
      6RA7095-4KS22-0  2000A 
      6、3AC 690V  4Q
      6RA7086-6KV62-0  760A 
      6RA7090-6KV62-0  1000A 
      6RA7093-4KV62-0  1500A 
      6RA7095-4KV62-0  2000A 
      7、3AC 830V  1Q
      6RA7088-6LS22-0 900A 
      6RA7093-4LS22-0 1500A 
      6RA7095-4LS22-0 1900A 
      8、3AC 830V  4Q
      6RA7088-6LV62-0 950A 
      6RA7093-4LV62-0 1500A 
      6RA7095-4LV62-0 1900A 
      9、6RA70 options(can't be delivered alone)
      C14/15/16/17 Pulse generator board SBP, plugged into slot D/E/F/G
      G25/27 Communication board CAN-bus CBC, plugged into slot A/C/E/G
      G44/45/46/47 Communication board SIMObbbb SLB, plugged into slot D/E/F/G
      G64/65/66/67 Terminal extension board EB1, plugged into slot D/E/F/G
      G74/75/76/77 Terminal extension board EB2, plugged into slot D/E/F/G
      G95/97 Communication board profibus CBP2, plugged into slot E/G
      K00 Terminal expansion borad CUD2, attached on the CUD1
      K01,K02 Adapter board ADB, plugged into bbbbbbbb 2 or 3
      K11 Local bus adapter LBA, built into the electronic box
      S00 Software option: free function block
      10、6RA70 System options
      6RX1700-0AD50 SIMOREG DC-MASTER Operation instuction, Chinese
      6RX1700-0AD76 SIMOREG DC-MASTER Operation instuction, English
      6RX1700-0AK00 SIMOREG DC-MASTER Terminal expansion borad CUD2
      6RX1700-0AS00 Software option S00: free function block
      6RY1707-0AA08 Paraller connections cable 5m
      6SE7085-0NX60-Z-01 OP1S operattor control panel, Chinese
      6SE7085-0NX84-0FF0 Communication board frofibus CBP2, Chinese
      6SE7085-0NX84-0FG0 Communication board can-bus CBC, Chinese
      6SE7085-0NX84-0FJ0 Communication board simobbbb SLB, Chinese
      6SE7085-0NX84-0KB0 Terminal extension board EB1, Chinese
      6SE7085-0NX84-0KC0 Terminal extension board EB2, Chinese
      6SE7090-0XX84-2FK0 OP1S, operator control panel
      6SE7090-0XX84-4HA0 Local bus adapter LBA
      6SX7005-0AA00 Interface converter, SU1 RS232-RS485, incl.mounting accessories;supply, 1AC 115/230V
      6SX7005-0AB00 PMU-PC, connecting cable 3m
      6SX7010-0AA00 AOP1S, adapter for OP1S with cable 5m
      6SX7010-0AB03 PMU-OP1S, connecting cable 3m
      6SX7010-0AB05 PMU-OP1S, connecting cable 5m
      6SX7010-0FA00 Pulse generator board SBP, retrofit kit with short-instructionbbbb 
      6SX7010-0FF05 Communication board PROFIBUS CBP2, with short-bbbb instruction
      6SX7010-0FG00 Communication board CAN-bus CBC, retrofit kit with instructionshort-bbbb 
      6SX7010-0FJ00 Communication board SIMObbbb SLB, retrofit kit with short-bbbb instruction
      6SX7010-0KA00 Adapter board ADB
      6SX7010-0KB00 Terminal extension board EB1, retrofit kit with instructionshort-bbbb 
      6SX7010-0KC00 Terminal extension board EB2, retrofit kit with instructionshort-bbbb 
      11、6RA70 Spare Parts
      6RY1702-0BA00 Fuse for power supply
      6RY1702-0BA01 Fuse G3UEF01/1250A/660V
      6RY1702-0BA02 Fuse G3UEF01/1000A/660V
      6RY1702-0BA03 Fuse G3UEF01/1000A/1000V
      6RY1702-0BA04 Fuse G2UEF01/630A/1000V
      6RY1240-0AA02 Thyr-Mod 105A 1200V 1000V/us
      6RY1240-0AA03 Thyr-Mod 162A 1400V 1000V/us
      6RY1700-0AA01 Thyr-Mod 18A 1200V(1400V) 1000V/us
      6RY1700-0AA03 Thyr-Mod 500A 1400V 1000V/us
      6RY1700-0AA04 Thyr-Mod 570A 1600V 1000V/us
      6RY1700-0AA05 Thyr-Mod 106A 1800V 1000V/us
      6RY1700-0AA08 Thyr-Mod 190A 1800V 1000V/us
      6RY1700-0AA09 ThyrMod 51A 1800V 1000V/us
      6RY1700-0AA10 Thyr-Mod 51A 1400V 1000V/us
      6RY1700-0AA17 Thyr-Mod 51A 1800V 1000V/us
      6RY1700-0BA00 Mod-Diod 36A 1400V
      6RY1700-0BA01 Mod-Diod 59A 1600V
      6RY1701-0AA04 Radial flow fan RH28M-2DK.3F.1R
      6RY1701-0AA07 Fan, complete (S)
      6RY1701-0AA08 Fan unit (S)
      6RY1702-0AA01 Current transbbbber 1:1200 120AN
      6RY1702-0AA02 Current transbbbber 1:2800 280AN
      6RY1702-0AA03 Current transbbbber 1:6000 600AN
      6RY1702-0AA04 Current transbbbber 1:12000 1200AN
      6RY1702-0AA05 Current transbbbber 1:24000 2400AN
      6RY1702-0AA06 Current transbbbber 1:8500 850AN
      6RY1702-0CA00 Thyristor group (S)
      6RY1702-0CA01 Thyristor group (S)
      6RY1702-0CA02 Thyristor group (S)
      6RY1702-0CA03 Thyristor group (S)
      6RY1702-0CA04 Thyristor group (S)
      6RY1702-0CA05 Thyristor group front (S)
      6RY1702-0CA06 Thyristor group behind (S)
      6RY1702-0CA07 Thyristor group front (S)
      6RY1702-0CA08 Thyristor group behind (S)
      6RY1702-0CA10 Thyristor group behind (S)
      6RY1702-0CA11 Thyristor group front (S)
      6RY1702-0CA12 Thyristor group behind (S)
      6RY1702-0CA13 Thyristor group front (S)
      6RY1702-0CA14 Thyristor group behind (S)
      6RY1702-0CA15 Thyristor group front (S)
      6RY1702-0CA16 Thyristor group behind (S)
      6RY1702-0CA17 Thyristor group front (S)
      6RY1702-0CA18 Thyristor group behind (S)
      6RY1702-0CA20 Thyristor group behind (S)
      6RY1702-0CA21 Thyristor group front (S)
      6RY1702-0CA22 Thyristor group behind (S)
      6RY1702-0CA23 Thyristor group front (S)
      6RY1702-0CA24 Thyristor group behind (S)
      6RY1702-0CA25 Thyristor group front (S)
      6RY1702-0CA26 Thyristor group behind (S)
      6RY1702-0CA32 Thyristor group front (S)
      6RY1702-0CA33 Thyristor group front (S)
      6RY1703-0AA00 PCB-A7001-L1 electronics+terminals 70/13-95
      6RY1703-0CA00 PCB-A7010-L1 power section 70/13
      6RY1703-0CA01 PCB-A7014-L2 field supply 70/(75-87D+G)+86K
      6RY1703-0CA03 PCB-A7014-L1 field supply 70/25-31D+G
      6RY1703-0CA04 PCB-A7010-L2 power section 70/18
      6RY1703-0DA01 PCB-A7002-L1 power interface+terminals 70/18-95 DS+GS
      6RY1703-0DA02 PCB-A7002-L4 power interface+terminals 70/13-95 DV+GV
      6RY1703-0DA05 PCB-A7003-L1 power interface+terminals 70/86-95 KS+LS
      6RY1703-0DA06 PCB-A7003-L4 power interface+terminals 70/86-95 KV+LV
      6RY1703-0EA01 PCB-A7004-L1 field supply 70/91-95D+G
      6RY1703-0EA02 PCB-A7004-L2 field supply 70/88-95K+L
      6RY1703-0FA01 PCB-A7007-L1 RC circuit 70/25D
      6RY1703-0FA02 PCB-A7007-L2 RC circuit 70/31-75D
      6RY1703-0FA03 PCB-A7007-L3 RC circuit 70/25G
      6RY1703-0FA04 PCB-A7007-L4 RC circuit 70/28D-31,75G
      6RY1703-0FA05 PCB-A7007-L5 RC circuit 70/78D
      6RY1703-0FA06 PCB-A7011-L1 RC circuit 70/87-91D+G
      6RY1703-0FA07 PCB-A7011-L2 RC circuit 70/86,90K-88L
      6RY1703-0FA10 PCB-A7011-L6 RC circuit 70/81-85D+G
      6RY1703-0GA01 PCB-A7009-L1 rear plate wiring 70/13-95
      6RY1704-0AA00 PCB-A7005-L1 operator panel 70/13-9
      6RY1705-0AA00 Surge resistance 2X48R 5%
      6RY1705-0AA01 Surge resistance 2X28R 5%
      6RY1705-0AA02 Surge resistance 2X15R 5%
      6RY1705-0AA04 Surge resistance 27R 5%
      6RY1707-0AA00 Ribbon cable 20 pole X102 (S)
      6RY1707-0AA01 Ribbon cable 64 pole X101 (S)
      6RY1707-0AA02 Ribbon cable 20 pole X102 (S)
      6RY1707-0AA03 Ribbon cable 20 pole X102 (S)
      6RY1707-0AA04 Ribbon cable 20 pole X102 (S)
      6RY1707-0AA05 Ribbon cable 64 pole X101 (S)
      6RY1707-0AA06 Ribbon cable 20 pole X102 (S)
      6RY1707-0AA07 Ribbon cable 64 pole X101 (S)
      6SY7010-0AA05 Thyr-Mod 320A 1600V 1000V/us
      6SY7010-0AA12 Thyr-Mod 430A 2200V 1000V/us
      6SY7010-0AA18 Thyr-Mod 70A 1600V 1000V/us
      6SY7010-0AA21 Thyr-Mod 430A 1800V 1000V/us
      6SY7010-0AA22 Thyr-Mod 320A 1800V 1000V/us
      6SY7010-0AA32 Thyr-Mod 430A 2600V 1000V/us
      6SY7010-3AA06 Surge resistance 15R 5%
      6SY7010-3AA08 Surge resistance 27R 5%
      6SY7010-6AA01 Thermostatic switch 6.8K 0.45W
      SIMOREG DC Master Cubicle 6RM70
      1、3AC 400V  1Q
      6RM7018-5DS02-0 30A 
      6RM7025-5DS02-0 60A 
      6RM7028-5DS02-0 90A 
      6RM7031-5DS02-0 125A 
      6RM7075-5DS02-0 210A 
      6RM7078-5DS02-0 280A 
      6RM7081-5DS02-0 400A 
      6RM7085-5DS02-0 600A 
      6RM7087-5DS02-0 850A 
      6RM7091-5DS02-0 1200A 
      6RM7093-3DS02-0 1600A 
      6RM7095-3DS02-0 2000A 
      2、3AC 400V  4Q
      6RM7013-5DV02-0 15A 
      6RM7018-5DV02-0 30A 
      6RM7025-5DV02-0 60A 
      6RM7028-5DV02-0 90A 
      6RM7031-5DV02-0 125A 
      6RM7075-5DV02-0 210A 
      6RM7078-5DV02-0 280A 
      6RM7081-5DV02-0 400A 
      6RM7085-5DV02-0 600A 
      6RM7087-5DV02-0 850A 
      6RM7091-5DV02-0 1200A 
      6RM7093-3DV02-0 1600A 
      6RM7095-3DV02-0 2000A 
      3、3AC 575V  1Q
      6RM7025-5GS02-0  60A 
      6RM7031-5GS02-0  125A 
      6RM7075-5GS02-0  210A 
      6RM7081-5GS02-0  400A 
      6RM7085-5GS02-0  600A 
      6RM7087-5GS02-0  800A 
      6RM7090-5GS02-0  1000A 
      6RM7093-3GS02-0  1600A 
      6RM7095-3GS02-0  2000A 
      4、3AC 575V  4Q
      6RM7025-5GV02-0  60A 
      6RM7031-5GV02-0  125A 
      6RM7075-5GV02-0  210A 
      6RM7081-5GV02-0  400A 
      6RM7085-5GV02-0  600A 
      6RM7087-5GV02-0  850A 
      6RM7090-5GV02-0  1100A 
      6RM7093-3GV02-0  1600A 
      6RM7095-3GV02-0  2000A 
      5、3AC 690V  1Q
      6RM7086-5KS02-0  720A 
      6RM7088-5KS02-0  950A 
      6RM7093-3KS02-0  1500A 
      6RM7095-3KS02-0  2000A 
      6、3AC 690V  4Q
      6RM7086-5KV02-0  760A 
      6RM7090-5KV02-0  1000A 
      6RM7093-3KV02-0  1500A 
      6RM7095-3KV02-0  2000A 
      7、3AC 830V  1Q
      6RM7088-5LS02-0 900A 
      6RM7093-3LS02-0 1500A 
      6RM7095-3LS02-0 1900A 
      8、3AC 830V  4Q
      6RM7088-5LV02-0 950A 
      6RM7093-3LV02-0 1500A 
      6RM7095-3LV02-0 1900A 
      9、SIMOREG DC Master Cubicle 6RM70
      6RM70 Options(can't be delivered alone)
      A41 Isolation monitor for IT system, bbbbb voltage to 3AC 690V
      A41 Isolation monitor for IT system, bbbbb voltage above 3AC 690V
      A45(local) Overvoltage protection box for power of transbbbber 1500KVA(local)under 1500KVA(local)
      A45(local) Overvoltage protection box for power of transbbbber to 2500KVA(local)from 1500KVA 
      A45(local) Overvoltage protection box for power of transbbbber up 2500KVA(local) 
      A45(import) Overvoltage protection box for power (7VV)
      Y40 SIMOREG DC-MASTER Cabinet built-in option setpoints, bbbbb isolating amplifier 0mA~20mA
      Y41 SIMOREG DC-MASTER Cabinet built-in option setpoints, bbbbb isolating amplifier 4mA~20mA
      Y42 SIMOREG DC-MASTER Cabinet built-in option setpoints, bbbbb isolating amplifier 0V~10V
      Y43 SIMOREG DC-MASTER Cabinet built-in option setpoints, bbbbb isolating amplifier -20mA~20mA
      Y44 SIMOREG DC-MASTER Cabinet built-in option setpoints, bbbbb isolating amplifier -10V~10V
      D36 Communication board PROFIBUS CBP2
      D37 Communication board CAN-bus CBC
      D39 Communication board SIMObbbb SLB
      D40 Terminal expansion board EB1
      D41 Terminal expansion board EB2
      D42 Local bus adapter LBA for the electronic box
      D43 Adapter board ADB
      F20 Speed instrument
      F30 Armature voltage instrument
      F31 Armature current instrument
      F40 Field voltage instrument
      F50 Field current instrument
      F60 Line voltage instrument
      F70 Line current instrument, 60A
      F71 Line current instrument, 90~280A
      F72 Line current instrument, 400~600A
      F73 Line current instrument, 720~1200A
      F74 Line current instrument, 1500~2000A
      K73 AC230V/DC 24V, 5A
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 90~125A
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 210A
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 280
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 400A
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 600A
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 720~850A
      L13 SIMOREG DCMASTER Cabinet builtin option main contactor 950~1200A
      S00 Software option: free function block
      V41 Rated bbbbb voltage 3AC 415V, 90~125A
      V41 Rated bbbbb voltage 3AC 415V, 210~600A
      V41 Rated bbbbb voltage 3AC 415V, 850~2000A
      V46 Rated bbbbb voltage 3AC 460V, 90~125A
      V46 Rated bbbbb voltage 3AC 460V, 210~600A
      V46 Rated bbbbb voltage 3AC 460V, 800~2000A
      V47 Rated bbbbb voltage 3AC 575V, 90~125A
      V47 Rated bbbbb voltage 3AC 575V, 210~600A
      V47 Rated bbbbb voltage 3AC 575V, 800~2000A
      V48 Rated bbbbb voltage 3AC 690V, 720~2000A
      V49 Rated bbbbb voltage 3AC 830V, 900~1900A
      W50 Field reversal, 90~600A for 6RA70
      W50 Field reversal, 720~1200A for 6RA70
      X31 Cable markers in DC cubicle
      Y40 bbbbb isolating amplifier, 0mA~20mA
      Y41 bbbbb isolating amplifier, 4mA~20mA
      Y42 bbbbb isolating amplifier, 0V~+10V
      Y43 bbbbb isolating amplifier, 20mA~20mA
      Y44 bbbbb isolating amplifier, 10V~+10V
      Y52 Output isolating amplifier, 0mA~20mA
      Y53 Output isolating amplifier, 4mA~20mA
      Y54 Output isolating amplifier, 0V~+10V
      Y55 Output isolating amplifier, 20mA~20mA
      Y56 Output isolating amplifier, 10V~+10V

      西门子直流调速器 SIMOREG DC-MASTER 6RA80 系列
      1、3AC 400V  
      6RA8013-6DV62-0AA0 15A 4Q
      6RA8018-6DV62-0AA0 30A 4Q
      6RA8025-6DS22-0AA0 60A 2Q
      6RA8025-6DV62-0AA0 60A 4Q
      6RA8028-6DS22-0AA0 90A 2Q
      6RA8028-6DV62-0AA0 90A 4Q
      6RA8031-6DS22-0AA0 125A 2Q
      6RA8031-6DV62-0AA0 125A 4Q
      6RA8075-6DS22-0AA0 210A 2Q
      6RA8075-6DV62-0AA0 210A 4Q
      6RA8078-6DS22-0AA0 280A 2Q
      6RA8078-6DV62-0AA0 280A 4Q
      6RA8081-6DS22-0AA0 400A 2Q
      6RA8081-6DV62-0AA0 400A 4Q
      6RA8085-6DS22-0AA0 600A 2Q
      6RA8085-6DV62-0AA0 600A 4Q
      6RA8087-6DS22-0AA0 850A 2Q
      6RA8087-6DV62-0AA0 850A 4Q
      6RA8091-6DS22-0AA0 1200A 2Q
      6RA8091-6DV62-0AA0 1200A 4Q
      6RA8093-4DS22-0AA0 1600A 2Q
      6RA8093-4DV62-0AA0 1600A 4Q
      6RA8095-4DS22-0AA0 2000A 2Q
      6RA8095-4DV62-0AA0 2000A 4Q
      6RA8098-4DS22-0AA0 3000A 2Q
      6RA8098-4DV62-0AA0 3000A 4Q
      2、3AC 575V
      6RA8025-6GS22-0AA0 60A 2Q
      6RA8025-6GV62-0AA0 60A 4Q
      6RA8031-6GS22-0AA0 125A 2Q
      6RA8031-6GV62-0AA0 125A 4Q
      6RA8075-6GS22-0AA0 210A 2Q
      6RA8075-6GV62-0AA0 210A 4Q
      6RA8081-6GS22-0AA0 400A 2Q
      6RA8081-6GV62-0AA0 400A 4Q
      6RA8085-6GS22-0AA0 600A 2Q
      6RA8085-6GV62-0AA0 600A 4Q
      6RA8087-6GS22-0AA0 800A 2Q
      6RA8087-6GV62-0AA0 850A 4Q
      6RA8090-6GS22-0AA0 1100A 2Q
      6RA8090-6GV62-0AA0 1100A 4Q
      6RA8093-4GS22-0AA0 1600A 2Q
      6RA8093-4GV62-0AA0 1600A 4Q
      6RA8095-4GS22-0AA0 2000A 2Q
      6RA8095-4GV62-0AA0 2000A 4Q
      6RA8096-4GS22-0AA0 2200A 2Q
      6RA8096-4GV62-0AA0 2200A 4Q
      6RA8097-4GS22-0AA0 2800A 2Q
      6RA8097-4GV62-0AA0 2800A 4Q
      3、3AC 690V
      6RA8086-6KS22-0AA0 720A 2Q
      6RA8086-6KV62-0AA0 760A 4Q
      6RA8090-6KS22-0AA0 1000A 2Q
      6RA8090-6KV62-0AA0 1000A 4Q
      6RA8093-4KS22-0AA0 1500A 2Q
      6RA8093-4KV62-0AA0 1500A 4Q
      6RA8095-4KS22-0AA0 2000A 2Q
      6RA8095-4KV62-0AA0 2000A 4Q
      6RA8097-4KS22-0AA0 2600A 2Q
      6RA8097-4KV62-0AA0 2600A 4Q
      4、3AC 830V
      6RA8088-6LS22-0AA0 900A 2Q
      6RA8088-6LV62-0AA0 950A 4Q
      6RA8093-4LS22-0AA0 1500A 2Q
      6RA8093-4LV62-0AA0 1500A 4Q
      6RA8095-4LS22-0AA0 1900A 2Q
      6RA8095-4LV62-0AA0 1900A 4Q
      5、3AC 950V
      6RA8096-4MS22-0AA0 2200A 2Q
      6RA8096-4MV62-0AA0 2200A 4Q
      6、6RA80 Options
      G00
      G10
      G11
      G20
      G21
      S01
      S02
      L04
      L05
      L10
      L11
      L15
      L21
      L85
      M08
      M10

      以上系列产品量大,选件量大,未详细列举说明,如需了解详情,请联系我司,专业的技术支持为您解答。
    在线询盘/留言
  • 0571-87774297