Regal RH40, Руководство пользователя

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The following is a wiring diagram for the 4-20mA output. The password for 4-20mA configuration is
4213068.
§7.6 Protocol Prefix Usage
1) Prefix P
The prefix P can be added before any command in the above table to have the returning data followed
with two bytes of CRC check sum, which is the adding sum of the original character string.
Take the Return POS Totalizer Value command, DI+(CR), as an example. Assume that DI+(CR) would
10m3(CR)(LF)( the string in hexadecimal is 2BH, 31H, 32H, 33H, 34H, 35H, 36H,
37H, 45H, 2BH, 30H, 6DH, 33H, 20H, 0DH, 0AH) , then PDI(CR) would return
+10m3!F7(CR)(LF). The‘!’ acts as the starter of the check sum (F7) which is obtained by
adding up the string 2BH, 31H, 32H, 33H, 34H, 35H, 36H, 37H, 45H, 2BH, 30H, 6DH, 33H, 20H.
Please note that it is allowed to not have data entry or to have SPACES (20H) character before the ‘!’
character.
2) Prefix W
The prefix W is used for networking commands. The format of a networking command is: