工作过程是：
1、输入现场信号：在系统软件的控制下，顺次扫描各输入点，读入各输入点的状态；
2、执行程序：顺次扫描用户程序中的各条指令，根据输入状态和指令内容进行逻辑运算；
3、输出控制信号：根据逻辑运算的结果，输出状态寄存器（锁存器）向各输出点并行发出相应的控制信号，实现所要求的逻辑控制功能。
产品列表：
AS-9900-140
AS-C484-164
AS-9000-451
AS-584L-251
AS-D285-036
AS-506P-005
AS-984B-928
AS-506P-F16
AS-C484-063
AS-584M-220
AS-M909-001
AS-M909-021
AS-D013-000
AS-D013-200
AS-BADU-212
AS-BADU-206
AS-BADU-257
AS-BADU-214
AS-BADU-205
AS-B244-001
AS-B245-001
AS-B231-501
AS-B820-008
6DD1661-0AE1
6DD1600-0AJ0
6DD1606-3AC0
6DD1661-0AB1
6DD1600-0AF0
6DD1601-0AE0
6DD1681-0CA2
6DD1611-0AD0
6DD1607-0EA0
6DD1601-0AH0
6DD1610-0AF1
6DD1600-0AK0
6FX1-113-0AA02
6FX1-138-6BB01
6FX1-132-7BA01
6FX8002-5DA53-1CF0
6FX1127-4AA01
6FX1-127-4AB01
6FX1-111-0AP02
6FX1-115-0AB01
6FX1-190-3AF00
6FX1-138-5BB04
6FX8002-5DA43-1CC0
6FX2-001-8AG03
6FX1-121-4BA03
6FX1122-5CE01
6FX1-133-0BA00
6FX2-007-1AC04
6FX-1112-1AD00
6FX-1110-7AB01
6FX8002-5DA43-1BH0
6FX1-123-1CA01
6FX1-123-7AA01
6FX1-121-4BB01
6FX-1120-3BC01
6FX-1124-0BA03
6FX1-126-5AA01
6FX1-120-2CA01
6FX1-111-0AA02
6FX1-123-7AB02
6FX1-135-3BA00
6FX1-111-0AA01
6FX1-110-0AA02
6FX1-121-2BA03
6FX1-120-5BB01
6FX1122-1AB02
6FX1-120-2CA00
6FX1-111-0AJ02
6FX1-126-8BB00
6FX1-130-5BB10
6FX1-121-3BA01
6FX1121-4BM03
6FX8002-5DA23-1DA0
6FX1-120-4BB02
6FX1-142-1BA00
6FX8002-5DA43-1BB0
6FX1-121-4BA01
6FX1-127-3AC00
6FX1-122-2AB02
6FX1-122-2AA02
6FX1-120-3BA01
6FX1-144-2BA00
6FX1-134-2BA01
6FX1-111-1AA00
6FX1-113-6AA00
6FX1121-1AC02
6FX1-122-2AC02
6FX1-110-7AD01
6FX1-125-0CB01
6FX1-123-7AA00
6FX1-126-1AA03
6FX1-135-3BC00
6FX1-111-4AB00
6FX1-882-0BX01-4D
6FX1-882-0BX22-4D
6FX1-111-0AF02
6FX2-007-1AC03
6FX1-135-3BA00
6FX1-111-0AB02
6FX1-123-3CA00
6FX1-130-0BB01
6FX1-190-3AD00
6FX1-123-7BA01
6FX1872-0BX01-1C
6FX1-875-0BX01-4G
6FX1-154-8BB01
6FX1-115-0AA01
6FX1-120-5CA01
6FX1-114-5AA00
6FX1-116-6AA01
6FX1-111-4AB00
6FX-1111-0AG02
6FX1-120-5CA00
6FX1-147-1BA01
6FX8002-5CX28-1AG0
6FX8002-5CA23-1CJ0
6FX1128-4BA10
