Installation and Operation Manual for
4-20mA RF Wireless Transmitter Model A753
3
Analynk Wireless, LLC
!
790 Cross Pointe Road
!
Columbus, OH 43230
Phone: (614) 755-5091 Fax: (614) 755-5093 Web:
www.analynk.com
3.0 Mounting and Electrical Connections
Mount the transmitter on 35mm DIN rail. The connectors are removable for simple trans-
mitter replacement. Figure 1 and table 1 show connections to the transmitter. One 4-
20mA signal and up to two switches, wet or dry contact can be used at a time. Switches
A1A and A1B should not be used at the same time; similarly switches A2A and A2B
should not be used at the same time.
COMPONENTS
INTERNAL
TO A753
+5 to +32 VDC
WET CONTACT
S2B GROUND
RF
TRANSMITTER
TX
A2
11
A753
SWITCH 1B
(WET CONTACT)
SWITCH 2B
(WET CONTACT)
10
7
8
WET CONTACT
S1B GROUND
+5 to +32 VDC
RF
LINK
A1
PWR RX
SWITCH 2A
(DRY CONTACT)
12
9
+5Vdc
10K
10K
SWITCH 1A
(DRY CONTACT)
4 - 20mA
INPUT
+5Vdc
4
5
2
1
DC POWER
SUPPLY
11 - 32 VDC
6
3
Terminal
Number
Terminal Description
Terminal
Number
Terminal Description
1
Po11 to 32 Vdc power supply
7
A1A dry contact positive
2
Power supply ground, Signal Ground
8
A1B wet or dry contact ground
3
No connection
9
A1B wet contact positive 5 - 32 VDC
4
No connection
10
A2A dry contact positive
5
No connection
11
A2B wet or dry contact ground
6
4-20mA signal (or analog positive see
label on side of unit)
12
A2B wet contact positive 5 - 32 VDC
Table 1 Transmitter connections.
Figure 1 Transmitter connections.