产品型号	货号
GBS20-4AO-U	A2083004
GBS20-4AO-I(0/4-20mA)	A2083002
GBS20-4AI-TC/ISO	A2082018
GBS20-2/4AI-PT	A2082014
GBS20-4AI-U(-24/0...24V)	A2082012
GBS20-4AI-U/ISO	A2092009
GBS20-4AI-U	A2082007
GBS20-4AI-I/ISO	A2082004
GBS20-4AI-I	A2082002