Honeywell Apex Technical Handbook page 30

MAN0604_Issue 09_02-2013
2110M8030
4-20mA loop
The summary table and subsequent diagrams identify the link and terminal settings for 4-20mA
loop options.
SK4
link
Terminal
J4
-
J5
-
- 4
- 5
Note: Total 4-20mA loop resistance should be less than 300 ohms.
Total power supply loop resistance should be less than 30 ohms (ECC cartridge) or 16 ohms
(catalytic cartridge).
Typical power consumption with relays active is 3.6W (ECC cartridge) or 5.6W (catalytic
cartridge).
Isolated Mode (4-wire)
4 - 20mA -
4 - 20mA +
+24V dc
3. inSTAllATiOn
4 - 20mA loop topology
Isolated
4 - 20mA - 4 - 20mA -
4 - 20mA + not used
SK4
0V
Source Sink
not used
4 - 20mA +
1
2
J4
3
4
5
6
7
J5
30
Apex