1756-IB16！AB%GE！IC697CHS782

1756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS7821756-IB16！AB%GE！IC697CHS782

在PLC中使用的回路圖被稱為梯形圖。

梯形圖是使用觸點符號、把自動控制動作用電氣回路來表示的“高級編程語言”。

回路圖舉例：同時按下按鈕SW（PB1、PB2），則燈（L1）亮。

下面是實際接線圖，從中可以看出不使用回路符號、而是直接表現機器的接續狀態的圖，稱為實際接線圖。

    下面是PLC梯形圖，從中可以看出使用接點符號、把控制方法置換到回路圖，這個回路圖就稱為梯形圖。

16137-118
16413-15
1FK6063-6AF71-1EH0
1FT5062-0AF01-2-Z
3008AO
39ACM24BEN
39ACM28AEN
39SAMCAN
39SDM024DCCBN
3RG4012-0AG01
3RG4200-1AB07-PF
3RH1131-1AP00
3UF5011-3AB00-1
3UF5011-3BB10-1
3VL9300-3HF05
462.000.7076.00
505-2660A
505-4332
505-6108B
505-6208B
505-6504
505-6508
505-6660
505-6660B
505-7339
545-1105
6AR1301-0DD10-0AA0
6AR1302-0AD00-0AA0
6AV2101-0AA01-0AA5
6AV3503-1DB10
6AV3607-1JC20-0AX0
6AV3607-1JC20-0AX1
6AV6545-0DA10-0AX0
6AV6648-0AC11-3AX0
6AV9020-1DB00
6DD1600-0AK0
6DD1610-0AH0
6DD1661-0AB1
6DD1681-0AH2
6DD1681-0CA2
6DD1683-0CC0
6DD1683-0CD0
6DP9902-8BA00
6DR1900-5
6DR2100-5
6DR2100-5
6DR2200-5
6DR2410-5
6DR2800-8R
6DR4004-7J
6DR5210-0EN00-0AA0
6DS1200-8AB
6DS1206-8AA
6DS1212-8AB
6DS1213-8AA
6DS1311-8AE
6DS1315-8AC
6DS1322-8BA
6DS1412-8DD
6DS1601-8BA
6DS1603-8BA
6DS1618-8CA
6DS1703-8AB
6DS1717-8CC
6DS1722-8BA
6DS1723-8BA
6DS1731-8DC
6DS1731-8RR
6EC1001-OA
6EC1661-0A
6EC1710-OA
6EP1333-1SL11
6EP1336-3BA00
6EP1935-6ME21
6EP1961-3BA21
6ES3373-0AA61
6ES5 980-OAE11
6ES5095-8MA03
6ES5103-8MA03
6ES5135-3KB13
6ES5188-3UA22
6ES5318-8MA12
6ES5318-8MB13
6ES5324-3UR11
6ES5375-1LR41
6ES5376-0AA21
6ES5377-0AB41
6ES5421-8MA12
6ES5430-4UA13
6ES5431-8MA11
6ES5451-8MR12
6ES5464-8ME11
6ES5470-4UB11
6ES5470-8MC12
6ES5482-8MA13
6ES5491-0LB11
6ES5535-3LB12
6ES5700-1LA12
6ES5700-8MA11
6ES5721-0CB60
6ES5760-0AB11
6ES5928-3UB21
6ES5944-7UB21
6ES5946-3UA23
6ES5948-3UA11
6ES5948-3UR23
6ES5955-3LC13
6ES5955-3LC14
6GT2001-0AA00
6GT2002-0AA00
6GT2002-0AB00
6GT2102-0AB00
6MD10100BA00
6NH9720-3AA00
6NH9860-1AA00
6RA2432-6DV62-0
6RB2100-ONA11
6SC6100-0GA12
6SC6108-0SG02
6SC6111-2AA00
6SC6140-0FE01
6SC6140-0FR01
6SC9811-4DA04
6SC9816-0AA03
6SE3190-0DX87-2DA0
6SE3214-0DA40
6SE6411-6BD22-2CA1
6SE7016-1EA61
6SE7016-1TA51-Z
6SE7021-6ES87-2DA1
6SE7031-7HG84-1JA1
6SE7090-0XX84-0FF5
6SE7090-0XX84-1CG1
6SE7090-OXX84-OABO
6SN1118-0DK23-0AA2
6SN1118-0DM23-0AA0
6SN1145-1AA01-0AA2
7KE4490-2BP
7UT5131-4CB01-1BA0
A5E30947477
C79451-Z1038-U13
C8451-A17-A26
C98043-A1601-L
C98043-A7001-L1
C98130-A1155-B21
EFC3M080
FD63T150
HED43B040
MAESTRO DCD 140x14/28
MD63F800
MPCBL0001BPP
MPCBL0001F04
NKDG/A
PSCCM22AAN
PS-DA0125-043(S)
PS-M06D12S5-NJ1L(S)
QLCDM024DCBAN
QLVIMBCN
RMS-TSG-TZ
RMS-TSG-TZ
RMS-TSIG-TZ
S42024-A1744-U501-1-U6-01
SICOMP PC32-F
SMP16-SYS51C
SMP-E136
SMP-E20
SMP-E200-A1
SMP-E201-A1
SMP-E211-A11
SMP-E217
SMP-E230-A10
SMP-SYS-51C
TP270-10
WDAL2170-00
HJD63F400
6DR2801-8C
LD63F600