| 
					 Model  | 
				
					 
						SM331  | 
			
| 
					 Product Description  | 
				
					 8AI; Thermocouple temperature measurement modules; Input voltage range:±150mV  | 
			
| 
					 Power consumption  | 
			|
| 
					 ·Rate value  | 
				
					 24V DC  | 
			
| 
					 ·From backplane bus current consumption  | 
				
					 100mA  | 
			
| 
					 ·From L+  | 
				
					 200mA  | 
			
| 
					 ·Power loss  | 
				
					 3W  | 
			
| 
					 The power of transmitter  | 
				
					 
  | 
			
| 
					 ·Supply current  | 
				
					 /  | 
			
| 
					 ·short-circuit protection  | 
				
					 /  | 
			
| 
					 Number of analog inputs  | 
				
					 8  | 
			
| 
					 Cable Length (Shielded)  | 
				
					 Max:100m  | 
			
| 
					 Input type and input range  | 
				
					 
  | 
			
| 
					 ·voltage  | 
				
					 ±150mV(-32000~+32000)  | 
			
| 
					 ·current(4wire)  | 
				
					 
  | 
			
| 
					 ·current(2wire)  | 
				
					 /  | 
			
| 
					 ·tesistance  | 
				
					 
  | 
			
| 
					 ·thermocouple  | 
				
					 Type:T,E,J,K,N,R,S  | 
			
| 
					 ·RTD  | 
				
					 /  | 
			
| 
					 A/D resolution  | 
				
					 16bits  | 
			
| 
					 Basic conversion time(per channel)  | 
				
					 190ms  | 
			
| 
					 Interference frequency suppression  | 
				
					 400/50/60Hz  | 
			
| 
					 Tolerance(Over entire temperature range)  | 
			|
| 
					 ·Voltage  | 
				
					 ±0.6%  | 
			
| 
					 ·Current  | 
				
					 /  | 
			
| 
					 ·resistance  | 
				
					 /  | 
			
| 
					 ·temperature  | 
				
					 ±1℃  | 
			
| 
					 Interrupts  | 
			|
| 
					 Diagnostic interrupt  | 
				
					 Per group Yes,Configurable  | 
			
| 
					 Limit-value interrupt  | 
				
					 Yes,Configurable  | 
			
| 
					 Isolation tested for contact  | 
			|
| 
					 ·Between channels  | 
				
					 Yes  | 
			
| 
					 ·Between channels and backplane bu  | 
				
					 Yes  | 
			
| 
					 Front connector  | 
				
					 40-pin  | 
			
| 
					 Dimensions(W x H x D)(mm)  | 
				
					 40×125×120  | 
			
| 
					 Order Number  | 
				
					 331-7PF11-0AB0  |