JC-460-007
2
I56-3369-001
©2008 Johnson Controls
figure 3. 4-20mA Module 3-wire configuration:
(+)
(–)
(+)
(–)
(+)
(–)
TERMINAL WIRING MUST
BE POWER LIMITED.
TO NEXT
DEVICE
M300MJ-4-20
MODULE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
CONNECT MODULES TO LISTED
COMPATIBLE CONTROL PANELS ONLY.
FROM PANEL
OR PREVIOUS
DEVICE
SLC WIRING
( - )
SENSE
( + )
{
TO 4-20mA
3-WIRE
DEVICE
DO NOT LOOP WIRE UNDER
TERMINALS. BREAK ALL WIRE
RUNS TO PROVIDE SUPERVISION
OF CONNECTIONS.
24 VDC POWER
LIMITED
( + ) ( - )
24 VDC POWER
SUPPLY ISOLATED,
REGULATED, POWER
LIMITED.
TO NEXT
MODULE
C0994-03
figure 4. 4-20mA Module 2-wire configuration:
(+)
(–)
(+)
(–)
(+)
(–)
TERMINAL WIRING MUST BE
POWER LIMITED.
DO NOT LOOP WIRE UNDER
TERMINALS. BREAK ALL WIRE
RUNS TO PROVIDE SUPERVISION
OF CONNECTIONS.
M300MJ-4-20
MODULE
TO NEXT
DEVICE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
CONNECT MODULES TO LISTED
COMPATIBLE CONTROL PANELS ONLY.
FROM PANEL
OR PREVIOUS
DEVICE
SLC WIRING
24 VDC POWER
LIMITED
( + ) ( - )
( – ) SENSE
( + )
{
TO 4-20mA
2-WIRE DEVICE
24 VDC POWER SUPPLY
ISOLATED, REGULATED,
POWER LIMITED.
TO NEXT
MODULE
C0995-03
