Chapter 3 Expansion unit specification
expansion unit 3-29
3.3 For example
There is application which needs one TP03-60HT-A and four TP03-16EMR and one
TP03-8AD.There are thirty relay output at same time. We will calculate the consumption of
power to detect if it’s suitable for TP03.
The first step，calculate 5v current (refer to Table 3.2.2)
unit 5V current（mA）
TP03-16EMR 30
TP03-16EMR 30
TP03-16EMR 30
TP03-16EMR 30
TP03-8AD 30
Total 150
The second step ，calculate 24v current .
output
Number of on at the same
time
Current of 24v internal
(mA)
Relay output 30 150
Transistor output of expansion unit 0 0
Total - 150
The third step, accomplish the table 3.2.3. If there are OK all, then can judge the TP03s are
suitable for the application.
TP03-60HT-A+4*TP03-16EMR+TP03-8AD
Item
Digital I/O points AD/DA points
5V current（mA）
24v current
specification 256 60/10 280 200
The
application
124 8/0 150 150
judge OK OK OK OK
table 3.2.3
3.4 Power module TP03-01SPS-A
TP03-01SPS-A is an expansion power module，It must be connect between expansion
modules. It provide power of 5v and 24v internal to the expansion modules on right side.
The specification
Item specification
5V 250mA
24V internal 250mA
24V external 400mA
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