User Manual
- 2 - 
Package Checklist 
•  1 ioLogik R1200 series remote I/O product 
•  Quick installation guide (printed) 
Specifications 
System 
Serial IO  2 x RS-485-2W: Data+, Data-, GND (5-contact 
terminal block) 
Protection 
8 KV ESD, 1 KV surge, 3 KV EFT 
Protocols 
Modbus/RTU 
Power Input 
24 VDC nominal, 12 to 48 VDC 
Wiring 
I/O cable max. 14 AWG 
Dimensions 
27.8 x 124 x 84 mm (1.09 x 4.88 x 3.31 in) 
Weight 
under 200 g 
Operating 
Temperature 
Standard Models: -10 to 75°C (14 to 167°F) 
Wide Temperature Models: -40 to 85°C (-40 to 
185°F) 
Storage Temperature 
-40 to 85°C (-40 to 185°F) 
Ambient Relative 
Humidity 
5 to 95% (non-condensing) 
Altitude  
Up to 2000 m 
Note: Please contact Moxa if you require products guaranteed to function 
properly at higher altitudes. 
Standards and 
Certifications 
UL 508, CE, FCC Class A 
Warranty Period 
5 years (excluding ioLogik R1214*) 
Details 
See www.moxa.com/warranty 
*Because of the limited lifetime of power relay, products that use this 
component are covered by a 2-year warranty. 
Communication Parameters (Initial mode) 
Parity 
None, Even, Odd (default = None) 
Data Bits 
8 
Stop Bits 
1, 2 (default = 1) 
Flow Control 
None, XON/XOFF (default = None) 
Baudrate 
1200 to 921.6 kbps (default = 9600) 
Digital Input 
Sensor Type 
NPN, PNP, and Dry contact 
I/O Mode 
DI or Event Counter 
Dry Contact 
• On: short to GND 
• Off: open 
Wet Contact 
(DI to COM) 
• On: 10 to 30 VDC 
• Off: 0 to 3 VDC 
Isolation 
3K VDC or 2K Vrms 
Counter/Frequency 
2.5 kHz, power off storage 
Digital Output 
I/O Mode 
DO or Pulse Output 
Pulse Wave 
Width/Frequency 
0.1 ms / 5 kHz 
Over-voltage 
Protection 
45 VDC 
Over-current 
Protection 
2.6 A (4 channels @ 650 mA) 






