Hardware reference guide

I/O Modules
35013379 02 October 2007 641
The following figure shows the DAO84000 derating chart.
Surge Current Maximum (vms) Per Point
One Cycle 30 A
Two Cycles 20 A
Three Cycles 10 A
Applied DV / DT 400 V/μs
Response
OFF - ON 0.50 of one line cycle max
ON - OFF 0.50 of one line cycle max
Output Protection RC snubber suppression (internal)
Isolation (rms)
Output to Output 1500 Vac for 1 minute
Output to Bus 1780 for 1 minute
Bus Current Required 350 mA
Power Dissipation 1.85 W + 1.1 x Total Module Load Current
External Power Not required for this module
Fusing
Internal None
External Each output point must be fused with an external fuse.
The recommended fuse is a 5 A fuse
(Part # 043502405 or equivalent) or any other fuse
with an I
2
T rating of less than 87.
Specifications
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
30 35 40 45 50 55 60
20-132 vms
170-253 vms
AMBIENT TEMPERATURE (deg.C)
TOTAL MODULE CURRENT (A)
0
*The specifications stated are pending UL/CSA approval. This module was originally
approved at 2 A each point; and 12 A, 0 ... 50° C (115 Vac) and 0 ... 50° C (230 Vac)
per module.
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com