Veikong gpd 515/g5 Startup Manual page 116

5.18 FREQUENCY REFERENCE BIAS/GAIN
ADJUSTMENT PROCEDURE (continued) :
C. For inverse-acting frequency reference
1 . Begin with H 3 - 0 2 & H 3 - 0 3 settings as shown below.
2 . Fine tune as indicated in A or B above.
Frequency reference inputs:
terminals 13 & 17 — 0-10 VDC
terminals 14 & 17 — 4-20 mA
100%
FREQ
REF.
0%
0V
INPUT VOLTAGE (TERM. 13)
FREQUENCY
REFERENCE
H3-02 H3-03
= 100.0 0.0
= 0.0 100.0
10V
5-30
Continued
100%
FREQ
REF.
0%
4mA
INPUT CURRENT (TERM. 14)
GPD 515/G5
13 0-10V (20K Ω)
14 4-20 mA (250 Ω)
17
C
H3-02 H3-03
= 100.0 0.0
= 0.0 100.0
20mA