Model 394 Specification Sheet - ACI Instrumentation Limited

Electrical
installation
4
5
6
+
-
+
-
+
-
+
-
+
-
+
-
Relay 1 Relay 2
O
Transmitter power supply N...2
Fuse
1
2
3
Transmitter power supplyO
N...1
Fuse
“Micro” board
Option board 3
(Re-transmission connections shown)
Output 1 Output 2 Output 3 Output 4
Input board
Option board 2 Comms connections shown)
TXA TXB CMN
RXA RXB PU
Option board (Relay connections shown)
I V+ V- I V+ V- I V+ V- I V+ V- I V+ V- I V+ V-
NO COMM NC
NO COMM NC NO COMM NC NO COMM NC NO COMM NC NO COMM NC
Chan 6 Chan 5 Chan 4 Chan 3 Chan 2
Chan 1 Relay 3 Relay 4 Relay 5 Relay 6
Cable clamp
for mains lead
E L N
Connect supply voltage here
Input board signal wiring
I V+V-
I V+V- I V+V- I V+V- I V+V- I V+V- I V+V-
+ -
DC V (-10V to +10V)
DC mV
Thermocouples
Shunt
assembly
+ -
Attenuator
assembly
(LA244180)
+ -
DCmA
DC V
(-100V to +100V)
Shunt assembly: Attenuator assembly:
100 = LA249885UK10 LA244180
250 = LA249885UK25
3-wire resistance
thermometer
2-wire resistance
thermometer
Potentiometer
Closure must last >250ms.
Contact closure
(not channel 1 )
EUROTHERM RECORDERS INC
741-F MILLER DRIVE, LEESBURG, VA 20175-8993, USA TELEPHONE: 703-443-0000 FAX: 703-669-1302
E-MAIL: sales@chessell.com WEB SITE: www.chessell.com
HP260717X100 Issue 04/01