IBM Series 1 User Manual page 167

Each DO point and the Data Ready output meets the following
specifications into a resistive load:
OutE~ 1~ls.
Writing
a
logical one causes the output
transistor to turn on.
If
a logical zero
is
written, the
output transistor turns
off. When
the transistor is on,
the
output is considered active.
Voltage output:
1.
With
user source:
Off state: +52.8
Vdc
maximum
On
state: +0.8
Vdc
maximum
2. Without user source:
Off
state:
+5.5 Vde
maximum
~
0.0 mA source
+2.4 Vdc minimum
j
1.0 rnA
source
On state: +0.8 Vdc maximum
Current input:
On
state: 100
rnA
maximum per
point with user
source
Off
state: 500 microamperes maximum per
point
at +52.8 Vdc
user
source
Res}?o.!l§g Ti.m~. Dig
ita
1 outp
uts
meet and rna intal
n
specifications within 2 microseconds after the Write DO
command is
issued to
the
channel.
Heady
output lags the
digital
outputs
by
a minimum of 500 nanoseconds and a
maximum of 1 microsecond.
5-10
GA34-0033
(
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,
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