Pelco Manual C1943M (9/99) 11SETUPPRELIMINARY DISCUSSION
The CM9760-VCRC-P enables automatic control (via macro execution) or manual control
(from the CM9760-KBD) of seven predefined VCR functions. Each VCRC-P can control up
to 64 VCRs.
VCR control is implemented by associating System 9760 GPIs to VCRs. When a GPI is
used for VCR control, its first seven auxiliary relays are used to control the seven most
common VCR control functions. The seven auxiliary relay numbers and their associated
VCR functions are listed below.
1. Play
2. Stop
3. Rewind
4. Fast Forward
5. Pause
6. Record
7. Eject
Two key setup procedures are required in order to accomplish VCR control from the Sys-
tem 9760. The Frame Address Table in Figure 10 can be used as an aid to implement both
procedures.
1. The VCRC-P (1 of 39) must be assigned an address that corresponds to a sequential
range of 64 GPIs (VCRs).
Use the Frame Address Table to determine the DIP switch settings for assigning an
appropriate VCRC-P address setting.
2. GPIs must be programmed in order for the 9760 CPU to communicate with the VCRC-P.
Each physical GPI # corresponds to an individual VCR and its terminal connection
point on the VCRC-P. Therefore, 64 GPIs must be programmed in order to control 64
VCRs from one VCRC-P controller.
The physical GPI # is related to the VCRC-P as follows:
• Physical GPI # 1 corresponds to the first VCR control terminal on the VCRC-P
that is addressed as controller # 1 (Frame Address # 0). Likewise, physical GPI # 64
corresponds to the 64th control terminal on VCRC-P # 1.
• The next GPI # (the 65th) corresponds to the 1st control terminal on VCRC-P # 2
(Frame Address # 2). This scheme continues until the last GPI is associated with
the appropriate control terminal on the last VCRC-P used, which, in this case,
would be controller # 39 (Frame Address # 76).
DIP SWITCH SETTINGS
DIP switch settings are illustrated in Figure 10.
NOTE:
It is highly recom-
mended that VCRC-P ad-
dress # 1 (Frame Address 0)
be used first, VCRC-P ad-
dress # 2 second, and so
on, to minimize program-
ming confusion.
NOTE:
GPIs are pro-
grammed using the 9760
System Manager program.
See the section on
Software
Setup–Using the MGR Pro-
gram to Configure VCRC-P
Operation
for introductory
instructions. For detailed
programming instructions,
refer to the Systems Man-
ager manual.
NOTE:
If you have no more
than 11 VCRC-Ps for which
you wish to assign ad-
dresses or determine GPI
ranges, then you can use
the instructions with the
CM9760-VCRC GPI/VCR
control calculator for deter-
mining those items for the
CM9760-VCRC-P.
(Figure 17 shows the relationship of these relay
numbers and the associated VCR control function
as seen on the CM9760-KBD LCD screen)