




Woodward 9905-708
− 通信接口和I/O模块的供电
− 热插拔能力(1区中的SA920S,2区中的SA920B)
− 冗余供电
− 电源故障报警(带冗余)
− 通过拧紧4个接通互锁螺钉(仅SA920B和SA920S)接通
名称和简要说明文章编号。
SA920S电源
对于24V DC。
不需要BP901S型电源滤波器。
SA920S是SA910S的功能替代品。
不要将SA910S与SA920S混用以实现冗余(请遵守发行说明)。
3BDH000602R1
SA920B电源
对于24V DC。
不需要BP901S型电源滤波器。
SA920B是SA910B的功能替代品
不要将SA910B与SA920B混用以实现冗余(请遵守发行说明)。
3BDH000601R1
SA920N电源
对于24V DC。
不需要BP901S型电源滤波器。
SA920N是SA910N的功能替代品
不要将SA910N与SA920N混用以实现冗余(请遵守发行说明)。
3BDH000600R1
电源
系统800xA产品目录|S900 I/O 67
通信接口
− 现场总线协议PROFIBUS-DP V1(EN 50170)
− 内部CAN总线与外部PROFIBUS的耦合
− PROFIBUS-DP V1上的HART协议
− 通过两个耦合模块实现线路或介质冗余
− 现场总线、电源之间的电气隔离
− 通过PROFIBUS进行诊断、配置和参数化
名称和简要说明文章编号。
CI920AS CI920AS通信接口V2.1(CIPBA Ex)
仅使用具有相同固件的CI920AS进行冗余:
PROFIBUS DP-V1(请遵守发行说明)。
3BDH000690R1
CI920AB CI920AB通信接口V 2.1(CIPBA-B)
仅使用具有相同固件的CI920AB进行冗余:
PROFIBUS DP-V1(请遵守发行说明)。
3BDH000691R1
通信接口
数字I/O模块
− 干触点或接近开关的输入(NAMUR)
− 低功率本质安全阀的输出
− 短路和断路检测
− 输入/总线和输入/电源之间的电气隔离
− 所有输入/输出的共同返回
− 可配置为输入和输出的混合
− 8个I/O通道,EEx ia II C
名称和简要说明文章编号。
DX910S数字输入或输出(DIO8 Ex)
干触点或NAMUR启动器的输入。
低功率本质安全阀的输出。
3KDE175311L9100
DX910B数字输入或输出(DIO8-B)
干触点或NAMUR启动器的输入。
低功率I.S.阀的输出。
3KDE175312L9100
DX910N数字输入或输出(DIO8)
干触点或NAMUR启动器的输入。
低功率阀的输出。
3KDE175313L9100
Woodward 9905-708

Woodward 9905-708
− Powering of communication interfaces and I/O modules − Hot swap capability (SA920S in Zone 1, SA920B in Zone 2) − Redundant powering − Alarm in case of power failure (with redundancy) − Switching On by tighten the 4 switch-on interlock screws (only SA920B and SA920S) Name Short Description Article No. SA920S Power Supply For 24 V DC. The power supply filter type BP901S is not required. SA920S is the functional replacement for SA910S. Do not mix SA910S with SA920S for redundancy (observe Release Notes). 3BDH000602R1 SA920B Power Supply For 24 V DC. The power supply filter type BP901S is not required. SA920B is the functional replacement for SA910B Do not mix SA910B with SA920B for redundancy (observe Release Notes). 3BDH000601R1 SA920N Power Supply For 24 V DC. The power supply filter type BP901S is not required. SA920N is the functional replacement for SA910N Do not mix SA910N with SA920N for redundancy (observe Release Notes). 3BDH000600R1 Power supply System 800xA Product Catalog | S900 I/O 67 Communication interface − Fieldbus protocol PROFIBUS-DP V1 (EN 50170) − Coupling of the internal CAN bus to external PROFIBUS − HART protocol on PROFIBUS-DP V1 − Line or media redundancy via two coupling modules − Electrical isolation between field bus, power − Diagnosis, configuration and parameterization via PROFIBUS Name Short Description Article No. CI920AS CI920AS Communication Interface V 2.1 (CIPBA-Ex) Use only CI920AS with the same firmware for redundancy for PROFIBUS DP-V1 (observe Release Notes). 3BDH000690R1 CI920AB CI920AB Communication Interface V 2.1 (CIPBA-B) Use only CI920AB with the same firmware for redundancy for PROFIBUS DP-V1 (observe Release Notes). 3BDH000691R1 Communication interface Digital I/O modules − Input for dry contacts or proximity switches (NAMUR) − Output for low power intrinsically safe valves − Short and break detection − Electrical isolation between input / bus and input / power − Common return for all inputs / outputs − Configurable as a mixture of inputs and outputs − 8 I/O channel, EEx ia II C Name Short Description Article No. DX910S Digital Input or Output (DIO8-Ex) Input for dry contact or NAMUR initiator. Output for low power Intrinsic Safe valves. 3KDE175311L9100 DX910B Digital Input or Output (DIO8-B) Input for dry contact or NAMUR initiator. Output for low power I.S. valves. 3KDE175312L9100 DX910N Digital Input or Output (DIO8) Input for dry contact or NAMUR initiator. Output for low power valves. 3KDE175313L9100
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