产品详情资料：

可编程燃机卡DS200TCPAG1A机械保护装置

在继电器模块测试期间，检查工作指示灯和输出继电器是否正常工作。测试继电器模块SPCJ 4D28时，应注意该模块测量变压器高压侧或发电机星形点侧相电流，即连接到端子X0/1…9的相电流，以及变压器低压侧中性电流，即，连接到端子X0/37…39的中性电流。

                                        产品英文详情资料：

可编程燃机卡DS200TCPAG1A机械保护装置Check that the operation indicators and the output relays operate properly during the testing of the relay module.When the relay module SPCJ 4D28 is tested, it should be noted that the module measures the transformer HV side or the generator star point side phase currents, i.e. the phase currents connected to the terminals X0/1...9, and the transformer LV side neutral current, i.e. neutral current connected to the terminals X0/37...39.