Input/Output Expansion module 

• Input channel: 4 (4-20mA, 1-5V, 0-20mA, 0-10V. All channels in each module can choose different signal.) 
• Output channel: 2 (4-20mA, 1-5V, 0-20mA, 0-10V. All channels in each module can choose different signal.) 

Input Voltage: 24Vdc 

Modbus slave 

Dimensions (W x H x D): 22 x 100 x 72  mm 

Protection class: IP20