16
Receiver Connection
9
Section 9 - Receiver Connection Cont.
UWTC-REC2 or UWTC-REC2-D, Alarm Example
9
1N4004*
DRIVING A RELAY OR LOW IMPEDANCE INPUT (OPEN DRAIN)
J4
ALARM
RELAY
300 mA MAX
*DIODE REQUIRED FOR MAGNETIC RELAYS.
NOT REQIRED FOR FOR SOLID STATE RELAYS,
OR MAGNETIC RELAYS WITH INTERNAL DIODE.
0-24 VDC
POWER
SUPPLY
–
–
+
+
8
7
6
4
5
3
2
1
9
DRIVING A HIGH IMPEDANCE INPUT (PULL HIGH/DRIVE LOW)
J4
HIGH
IMPEDANCE
LOGIC INPUT
COMMON
(GROUND)
0-24 VDC
POWER
SUPPLY
–
+
8
7
6
4
5
3
2
1
9
DRIVING TTL OR INPUT WITH INTERNAL PULL-UP (OPEN DRAIN)
J4
INPUT WITH
INTERNAL
PULL-UP
COMMON
(GROUND)
8
7
6
4
5
3
2
1
