500-004941-000
5-6
1
2
3
4
5
6
7
JB
A
B
C
M4941/F5.7-3
Figure 5.7-3.
Jumper Installation to Select a Separate Reference Voltage Signal
for Each Channel via the P2 Connector
CAUT ION
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*
*
*
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THE FIELD INPUT FOR RL MUST BE ISOLATED FROM THE POWER SOURCE IF THE JB5 A-B
JUMPER IS INSTALLED. OTHERWISE, FIELD SOURCE OR BOARD DAMAGE MAY RESULT
SINCE THIS JUMPER CONNECTS P2/RL TO THE LOCAL ANALOG GROUND.
5.8
COUNTER DIRECTION JUMPERS
Each Resolver-to-Digital (or Synchro-to-Digital) Converter is designed with a
dedicated 16-bit pitch counter or pitch count information associated with
each R/D converter. The direction in which each counter counts is determined by
counter direction control jumpers as shown in Tables 5.8-1 and 5.8-2.
5.9
JUMPERING FOR DIRECT vs DIFFERENTIAL SIGNAL INPUTS
5.9.1
Direct Input Option - Resolver
For the direct input option (2 volt signal), jumper field JA must always be
configured as shown in Figure 5.9.1-1. Jumpers JG, JH, JI, and JJ must be removed.
5.9.2
Differential Input Option - Resolver
All jumpers must be removed from the JA jumper field to configure the
VMIVME-4941 for differential signal inputs. Jumpers JG, JH, JI, and JJ must be
installed.
If the differential (11.8 V) option was purchased and single-ended operation is
desired, then all jumpers must be installed in the JA jumper field as shown in Figure
5.9.2-1. Jumpers JG, JH, JI, and JJ must be removed.
5.9.3
Synchro Inputs
All jumpers must be removed from the JA jumper for inputs S1, S2, and
S3. Remove jumpers JG, JH, JI, and JJ.
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