Moore Industries IST, Руководство пользователя

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IST
Page 9
The Interface Solution Experts
Figure 8. Installing the Dual IST
For DC powered units, substitute:
DC DCC GND
4-WIRE
NON-ISOLATED
TRANSMITTER
POWER
SOURCE
117, 230, OR
240 VAC
OR
24VDC
2-WIRE
RECEIVER
4-20mA OR
10-50 mA
SIGNAL
ZERO
SPAN
IST
ISOLATING SIGNAL
TRANSMITTER
ZERO
SPAN
4-WIRE
NON-ISOLATED
TRANSMITTER
2-WIRE
RECEIVER
4-20mA OR
10-50 mA
SIGNAL
–
–
–
–
+
+
+
+
A B
+
For DC powered units, substitute:
DC DCC GND
NON-ISOLATED
2-WIRE
TRANSMITTER
POWER
SOURCE
117, 230, OR
240 VAC
OR
24VDC
CURRENT-
DRIVEN
DEVICE
+IN -IN TX +OUT-OUT AC ACCGND
ZERO
SPAN
IST
ISOLATING SIGNAL
TRANSMITTER
ZERO
SPAN
-OUT +OUT
–
+
A B
24V POWER SUPPLY
–
+
–
+
24V POWER SUPPLY
–
–
CURRENT-
DRIVEN
DEVICE
+
Figure 7. Installing the Single IN, Dual OUT IST with the TX & EP options