Table 4-13 Control I/O Pin Assignment; Table 4-14 Step Sync Code; Table 4-15 Memory Specification - NF DP420LS Instruction Manual

pin I/O
1 Output Power On/Off
2 Output Output On/Off*
3 Output Protection operation*
4 Output Limiter operation*
5 Output AGC/Autocal setting state*
6 Output Software busy*
7 Output Output range
8 Output —
9 Output Step sync code 1 (bit 0)
10 Output Step sync code 2 (bit 1)
11 Output Trigger
12 Output —
13 Input Output Off
14 Input Output On
15 Input Sequence start/resume
16 Input Stop of sequence
17 Input Sequence is in the Hold status
18 Input Sequence branch 1
19 Input Sequence branch 2
20 Input Memory recall (+ compile)
21 Input Memory specification 1
22 Input Memory specification 2
23 Input Clear the current peak-hold value
24 — GND
25 Reserved Do not connect anything
Note 1: The polarity of state output marked with asterisk (*) can be switched.
Note 2: At 25th pin, +5 V is output for test in manufacturing, and the pin is not assumed to be used
by user. Do not connect this pin to anything, or the product might become unstable.
DP420LS/DP480LS

Table 4-13 CONTROL I/O Pin Assignment

Function

Table 4-14 Step sync code

bit LL
0 Low
1 Low

Table 4-15 Memory specification

Specify
Memory specification 1 Low High
Memory specification 2 Low
4.18 Control Using External Control Function
Low: Off, High: On
Low: On, High: Off (Negative)
Low: Off, High: On (Positive)
Low: Active, High: None (Negative)
Low: None, High: Active (Positive)
Low: Active, High: None (Negative)
Low: None, High: Active (Positive)
Low: On, High: Off (Negative)
Low: Off, High: On (Positive)
Low: Busy, High: Ready (Negative)
Low: Ready, High: Busy (Positive)
Low: 200 V, High: 100 V
Unused
High level or Low level
(see Table 4-14)
Positive
Unused
Falling Off
Falling On
Falling Start
Falling Stop
Falling Hold
Falling Branch start
Falling Branch start
Falling Recall
Specify 0 to 3
(See Table 4-15, equivalent to memory 1
to 4, respectively)
Falling Clear
—
Do not connect anything
Step sync code
LH HL HH
High Low High
Low High High
Memory No.
1 2 3
0 1 2
Low
Low High High
Remarks
or Negative
4
3
High
167