System Sensor M500M-4-20 - Manual (Page 2)

(+)
(–)
(+)
(–)
(+)
(–)
TERMINAL WIRING MUST
BE POWER LIMITED.
DO NOT LOOP WIRE UNDER TERMINALS.
BREAK ALL WIRE RUNS TO PROVIDE
SUPERVISION OF CONNECTIONS.
M500M-4-20
MODULE
TO NEXT
DEVICE
SIGNAL LINE CIRCUIT (SLC) 32
VDC MAX.
TWISTED PAIR
IS RECOMMENDED
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 PER
NFPA 70, UL 864 LISTED
FOR FIRE PROTECTION
SIGNALING USE WITH
BATTERY BACKUP.
TO NEXT
MODULE
SS-460-000 2 I56-3070-002
©2008 System Sensor
fIgure 3. 4-20 A MoDule 2-WIre confIgurAtIon:
C1034-01
(+)
(–)
(+)
(–)
(+)
(–)
TERMINAL WIRING MUST
BE POWER LIMITED
TO NEXT
DEVICE
M500M-4-20
MODULE
SIGNAL LINE CIRCUIT (SLC)
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
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 PER NFPA 70,
UL 864 LISTED FOR
FIRE PROTECTION
SIGNALING USE WITH
BATTERY BACKUP.
TO NEXT
MODULE
C1035-01
fIgure 2. 4-20 A MoDule 3-WIre confIgurAtIon: m
m