Inovance MD290T45G/55P - Page 246

8. Peripherals and Options
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8
Type Terminal Terminal Name Function Description
Analog input AI3-PGND Analog input 3 Optically-coupled isolation input, supporting
differential voltage input, current input and
temperature detection resistance input
Input voltage range: -10 to 10 VDC
Input current range: -20 to 20 mA
Connect the PT100 or PT1000 temperature
sensor
Input mode determined by DIP switch
S1, multiple functions not supported
simultaneously
Digital inputs DI6-OP1 Digital input 6 Optically-coupled isolation compatible with
dual-polarity inputs
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Voltage range for inputs: 9 to 30 V
DI7-OP1 Digital input 7
DI8-OP1 Digital input 8
DI9-OP1 Digital input 9
DI10-OP1 Digital input 10
Analog output AO2-GND Analog output 2 Output voltage range: 0 to 10 V
Output current range: 0 to 20 mA
Relay outputs
(RELAY x 2)
PA1- PC1 Relay 1 NO
terminal
Contact driving capacity:
250 VAC, 3 A, Cos f = 0.4
30 VDC, 1 A
PA2- PC2 Relay 2 NO
terminal
RS485
communication
485+/485- RS485
Communication
interface
Modbus-RTU communication input and
output terminal, isolated input
CGND RS485
communication
isolation power
ground
RS422 CN1 User program
downloading
User program downloading port
Table 8-6 Jumper descriptions of MD38PC1
Jumper Description Meaning Setting
J2 AI3 input
selection: voltage
or current
Voltage
Current