r
-
Measuring point
Instrument
Remarks
(Criterion)
Frequency reference
Across 2 and 5 _ n Moving-coil DC O.- 5V/O -lOV
G
E
signal Across 1 K and 5.
type (such as
,DCO -klOV E
Across 1 E and 5 multimeter) DC0
-+5v
8
Across 4 and 5 (Min. internal DC 4 - 20mA
5
resistance:
:
5Okohm)
m
:
Frequency indicator
Across FM and SD D Moving-coil
About DC5V at
signal
type (such as max. output
multimeter)
frequency
(Min. internal when frequency
resistance: meter is connected 5
50kohm)
g
8
Start signal Across STF, STR,
@), Moving-coil DC20 - 30V
Mode select
RH, RM, RL, JOG/OH,
type (such as when opened, k
signal RT or AU and SD
multimeter) 1 V or less cy
(Min: intermal when closed
resistance:
b
50kohm)
1
Reset signal Across RES and SD
Output halt
signal
Across MRS and SD
Base current
shutoff signal
Error alarm
signal
Across A and C @) Moving-coil Continuity check
type (such as ~Normal or power
Across B and C
multimeter)
supply OFF
A-C: Open
B - C: Closed
0 Error condition
A - C: Closed
B-C: Open
f-
-
-33-
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