采集西门子200 smart 的 VW2100,地址应该怎么写

采集西门子200 smart的 VW2100处变量,地址写的 DB1.DBW2100,提示
Error(3011): 插件 tag 未就绪,日志如下
2023-12-28 05:39:46:723 [NOTICE] connection.c:842 connect 192.168.100.157:102 success
2023-12-28 05:39:46:773 [WARN] connection.c:373 not all data send, retry: 1, ret: 0(-1), len: 22
2023-12-28 05:39:46:773 [NOTICE] s7comm_plugin.c:434 connection connected, fd: 35
2023-12-28 05:39:46:773 [NOTICE] s7comm_common_stack.h:584 cotp not connected, try connect: 22
2023-12-28 05:39:46:778 [ERROR] s7comm_plugin.c:464 recv: 2, conn closed, fd: 35
2023-12-28 05:39:46:779 [NOTICE] s7comm_plugin.c:444 connection disconnected, fd: 35
2023-12-28 05:39:47:717 [DEBUG] log.h:125 >>(22) 0x03 0x00 0x00 0x16 0x11 0xE0 0x00 0x00 0x00 0x01 0x00 0xC0 0x01 0x0A 0xC1 0x02 0x10 0x00 0xC2 0x02 0x10 0x00
2023-12-28 05:39:47:718 [NOTICE] connection.c:842 connect 192.168.100.157:102 success
2023-12-28 05:39:47:768 [WARN] connection.c:373 not all data send, retry: 1, ret: 0(-1), len: 22
2023-12-28 05:39:47:768 [NOTICE] s7comm_plugin.c:434 connection connected, fd: 35
2023-12-28 05:39:47:768 [NOTICE] s7comm_common_stack.h:584 cotp not connected, try connect: 22
2023-12-28 05:39:47:772 [ERROR] s7comm_plugin.c:464 recv: 2, conn closed, fd: 35
2023-12-28 05:39:47:773 [NOTICE] s7comm_plugin.c:444 connection disconnected, fd: 35
2023-12-28 05:39:48:717 [DEBUG] log.h:125 >>(22) 0x03 0x00 0x00 0x16 0x11 0xE0 0x00 0x00 0x00 0x01 0x00 0xC0 0x01 0x0A 0xC1 0x02 0x10 0x00 0xC2 0x02 0x10 0x00
2023-12-28 05:39:48:717 [NOTICE] connection.c:842 connect 192.168.100.157:102 success
2023-12-28 05:39:48:768 [WARN] connection.c:373 not all data send, retry: 1, ret: 0(-1), len: 22
2023-12-28 05:39:48:768 [NOTICE] s7comm_plugin.c:434 connection connected, fd: 35
2023-12-28 05:39:48:768 [NOTICE] s7comm_common_stack.h:584 cotp not connected, try connect: 22
2023-12-28 05:39:48:772 [ERROR] s7comm_plugin.c:464 recv: 2, conn closed, fd: 35
2023-12-28 05:39:48:772 [NOTICE] s7comm_plugin.c:444 connection disconnected, fd: 35
系统版本3.1.0

看这个报错,是连接不上PLC。